Exterior Wall System Assemblies, Exterior Wall System Component Subassemblies, And Exterior Wall System Components With Drainage Features

This application claims priority to U.S. Provisional Patent Application Ser. No. 63/644,195, entitled “Exterior Wall System Assemblies, Exterior Wall System Component Subassemblies, And Exterior Wall System Components With Drainage Features”, filed May 8, 2024, which is hereby incorporated by reference in its entirety herein to provide continuity of disclosure.

The present disclosure relates generally to exterior wall assemblies and, more specifically, to exterior wall system assemblies and exterior wall system component subassemblies with drainage features.

In modern construction, exterior wall assemblies are often made of multiple layers and components that provide various desired performance characteristics to the wall assemblies. Water and moisture can accumulate between the layers of the exterior wall assemblies, potentially leading to degradation of the wall components. Consequently, there is a need for means by which water and moisture that accumulates within an exterior wall assembly to migrate therefrom and for exterior wall system assemblies that may address some of the limitations of the current technology.

The present disclosure encompasses exterior wall system assemblies, exterior wall system component subassemblies and exterior wall system components with drainage features.

The present disclosure encompasses an exterior wall system assembly comprising: a substrate; an exterior sheathing layer mounted to the substrate; a water-resistant layer disposed on the exterior sheathing layer; an insulation layer mounted to the exterior sheathing layer, wherein the water-resistant layer is disposed between a portion of the insulation layer and the exterior sheathing, wherein the insulation layer comprises a channel formed therein, wherein the channel comprises a first channel leg, a second channel leg, and a channel nadir disposed between the first channel leg and the second channel leg, wherein the first channel leg and the second channel leg are aligned superior to the channel nadir; an air cavity disposed between a portion of the water-resistant layer and a portion of the insulation layer, wherein the channel is in fluid communication with the air cavity; and, a drainage tube aligned in fluid communication with the channel nadir, wherein the drainage tube is open to a front face of the exterior wall system assembly.

In one aspect, the first channel leg comprises a first channel leg floor, and wherein the first channel leg floor is aligned oblique to the exterior sheathing layer. In another aspect, the second channel leg comprises a second channel leg floor, and wherein the second channel leg floor is aligned oblique to the exterior sheathing layer. In a further aspect, the first channel leg and the second channel leg cooperate to form a channel trough, and wherein the channel nadir is disposed at a channel trough base of the channel trough. In still another aspect, the drainage tube comprises a drainage tube inlet, and wherein the drainage tube inlet is disposed at the channel nadir. In another aspect, the drainage tube comprises a drainage tube outlet, and wherein the drainage tube outlet is open to the front face of the exterior wall system assembly. In a further aspect, the channel comprises a third channel leg, a fourth channel leg, and a second channel nadir disposed between the third channel leg and the fourth channel leg, and wherein the third channel leg and the fourth channel leg are disposed superior to the second channel nadir. In yet another aspect, the channel comprises a channel apex disposed between the first channel leg and the third channel leg. In still a further aspect, the third channel leg and the fourth channel leg cooperate to form a second channel trough, and wherein the second channel nadir is disposed at a second channel trough base. In another aspect, the exterior wall system assembly comprises a second drainage tube aligned in fluid communication with the second channel nadir. In yet a further aspect, the second channel tube is open to the front face of the exterior wall system assembly. In another aspect, the third channel leg comprises a third channel leg floor, and wherein the third channel leg floor is aligned oblique to the exterior sheathing layer. In a further aspect, the fourth channel leg comprises a fourth channel leg floor, and wherein the fourth channel leg floor is aligned oblique to the exterior sheathing layer. In still another aspect, the exterior wall system assembly comprises a water barrier membrane disposed in the channel. In a further aspect, the exterior wall system assembly comprises an adhesive layer disposed between the insulation layer and the water-resistant layer. In yet another aspect, the insulation layer comprises a plurality of insulation boards. In still another aspect, the channel comprises a rear channel edge, and wherein the rear channel edge is aligned proximal to the exterior sheathing layer.

The present disclosure also encompasses an exterior wall system assembly comprising: a substrate; an exterior sheathing layer mounted to the substrate; a water-resistant layer disposed on the exterior sheathing layer; an insulation layer mounted to the exterior sheathing layer, wherein the water-resistant layer is disposed between a portion of the insulation layer and the exterior sheathing, wherein the insulation layer comprises a channel formed therein, wherein the channel comprises a plurality of channel legs, and a plurality of channel nadirs, wherein each channel nadir is disposed between and inferior to two channel legs of the plurality of channel legs; and, an air cavity disposed between a portion of the water-resistant layer and a portion of the insulation layer, wherein the channel is in fluid communication with the air cavity.

In one aspect, the exterior wall system assembly comprises a plurality of drainage tubes aligned in fluid communication with the channel. In another aspect, each drainage tube of the plurality of drainage tubes is open to a channel nadir of the plurality of channel nadirs. In a further aspect, each drainage tube of the plurality of drainage tubes is open to a front face of the exterior wall system assembly. In one aspect, the exterior wall system assembly comprises a plurality of channel troughs. In another aspect, each channel trough of the plurality of channel troughs is formed by two channel legs of the plurality of channel legs. In a further aspect, each channel nadir of the plurality of channel nadirs is disposed at a base of a channel trough of the plurality of channel troughs. In a further aspect, each channel leg of the plurality of channel legs comprises a channel leg floor. In yet another aspect, the channel leg floor of each channel leg of the plurality of channel legs is aligned oblique to the exterior sheathing layer. In still a further aspect, the insulation layer comprises a plurality of insulation boards.

The present application also encompasses an exterior wall system assembly comprising: a substrate; an exterior sheathing layer mounted to the substrate; a water-resistant layer disposed on the exterior sheathing layer; an insulation layer mounted to the exterior sheathing layer, wherein the water-resistant layer is disposed between a portion of the insulation layer and the exterior sheathing, wherein the insulation layer comprises a channel formed therein, wherein the channel comprises a first side channel leg, a first mid leg channel, a first channel trough disposed between the first channel mid leg and the first channel side leg, a second channel mid leg, a second channel side leg, a second channel trough disposed between the second mid leg channel, a first channel nadir disposed between the first channel mid leg and the first channel side leg, a second channel nadir disposed between the second channel mid leg and the second channel side leg; an air cavity disposed between a portion of the water-resistant layer and a portion of the insulation layer, wherein the channel is in fluid communication with the air cavity; a first drainage tube aligned in fluid communication with the first channel nadir, wherein the first drainage tube is open to a front face of the exterior wall system assembly; and, a second drainage tube aligned in fluid communication with the second channel nadir, wherein the second drainage tube is open to the front face to the exterior wall system assembly.

In one aspect, the exterior wall system assembly comprises a channel apex disposed between the first channel mid leg and the second channel mid leg. In another aspect, the exterior wall system assembly comprises a water barrier membrane disposed in the channel. In a further aspect, the insulation layer comprises a plurality of insulation boards.

The present disclosure also encompasses an exterior wall system assembly component subassembly comprising: a body comprising a front side, a rear side spaced apart from and opposing the front side, a bottom side extending between the front side and the rear side; a top side disposed adjacent the front side; a first side extending between the front side and the rear side and the bottom side and the top side, a second side extending between the front side and the rear side and the bottom side and the top side, a first chamfer disposed between the rear side and the top side, a second chamfer aligned adjacent to the first chamfer and disposed between the rear side and the top side, a first channel sink disposed between the first chamfer and the second chamfer, a third chamfer aligned adjacent the second chamfer and disposed between the rear side and the top side, a fourth chamfer aligned adjacent the third chamfer and disposed between the rear side and the top side, a second channel sink disposed between the third chamfer and the fourth chamfer, a first drain extending between the first channel sink and a first drain outlet, wherein the first channel outlet is open to the front side, a second drain extending between the second channel sink and a second drain outlet, and wherein the second drain outlet is open to the front side, and wherein the first chamfer, the second chamfer, the third chamfer and the fourth chamfer cooperate to form a drainage channel.

In one aspect, the body comprises a plurality of insulation boards. In another aspect, the first chamfer, the second chamfer, the third chamfer and the fourth chamfer are aligned oblique to the bottom side. In a further aspect, the first chamfer and the second chamfer cooperate to form a first angle, wherein the first angle is less than 180°, and wherein the first angle is greater than 90°. In yet another aspect, the second chamfer and the third chamfer cooperate to form a second angle, and wherein the second angle is greater than 180°. In still a further aspect, the third chamfer and the fourth chamfer cooperate to form a third angle, wherein the third angle is less than 180°, and wherein the third angle is greater than 90°. In one aspect, the first channel sink is disposed proximal to the top side and distal to the bottom side. In another aspect, the first channel outlet is disposed distal to the top side and proximal to the bottom side. In a further aspect, the second channel sink is disposed proximal to the top side and distal to the bottom side, and wherein the second channel outlet is disposed distal to the top side and proximal to the bottom side. In still another aspect, each of the first chamfer, the second chamfer, the third chamfer and the fourth chamfer comprises a flat surface.

The present disclosure also encompasses an exterior wall system component comprising: a body comprising a front side, a rear side spaced apart from and opposing the front side, a bottom side extending between the front side and the rear side; a top side disposed adjacent the front side; a first side extending between the front side and the rear side and the bottom side and the top side, a second side extending between the front side and the rear side and the bottom side and the top side, a channel extending through a portion of the body, wherein the channel comprises a channel sink and a channel outlet, wherein the channel sink is disposed proximal to the rear side and distal to the front side, a chamfer disposed between the rear side and the top side, wherein chamfer comprises an upper chamfer end and a lower chamfer end, wherein the upper chamfer end is aligned distal to the channel sink and the lower chamfer end disposed proximal to the channel sink.

In one aspect, the second chamfer end is disposed adjacent the channel sink. In another aspect, the first chamfer end is disposed proximal to the top side and distal to the bottom side, and wherein the second chamfer end is disposed distal to the top side and proximal to the bottom side. In a further aspect, the channel outlet is open to the front side. In still another aspect, the body comprises an insulative material. In one aspect, the body consists essentially of an insulative material. In a further aspect, the insulative material is a fire-resistant material. In one aspect, the exterior wall system component comprises a tube disposed in the channel. In another aspect, the chamfer comprises a flat surface extending between the first chamfer end and the second chamfer end. In a further aspect, the chamfer comprises a curved surface disposed between the first chamfer end and the second chamfer end. In one aspect, the exterior wall system component comprises a second chamfer disposed between the rear side and the top side, wherein second chamfer comprises a second upper chamfer end and a second lower chamfer end, wherein the second upper chamfer end is aligned distal to the channel sink and the second lower chamfer end is disposed proximal to the channel sink. In another aspect, the chamfer comprises a front edge and a rear edge, and wherein the front edge is aligned proximal to the top side and the rear edge is aligned distal to the top side. In a further aspect, the second chamfer comprises a second front edge and a second rear edge, and wherein the second front edge is aligned proximal to the top side and the second rear edge is aligned distal to the top side. In still another aspect, the chamfer exhibits a first slope. In one aspect, the second chamfer exhibits a second slope, and wherein the first slope is greater than the second slope.

These and other aspects are set forth in greater detail below and in the drawings for which a brief description is provided as follows.

The present disclosure encompasses exterior wall system assemblies, wall system component subassemblies, and wall system components that include drainage features for addressing the accumulation of moisture within air cavities or interior void spaces of exterior wall assemblies. The present disclosure encompasses exterior wall system assemblies that are assembled on-site, also known as field installation, exterior wall system assemblies assembled from prefabricated components and component subassemblies that include drainage features, exterior wall system component subassemblies that are field installed and include drainage features, and prefabricated exterior wall system components and component subassemblies that include drainage features.

The present disclosure encompasses exterior wall system assemblies, exterior wall system component subassemblies, and exterior wall system components that include one or more drainage channels each of which comprises a first channel chamfer angled downward to a drainage trough and a second channel chamfer opposing the first channel chamfer and angled downward to the drainage trough. The drainage channel comprises a channel nadir or sink wherein the inlet of a drainage tube or drain is disposed. The drainage tube or drain is angled downward and extends outward from the front face of the exterior wall system assembly, exterior wall system component subassembly, or exterior wall system component in which the drainage tube or drain is aligned.

As used herein, the term “oblique” refers to an alignment of one surface or structure that is non-parallel and non-perpendicular to another surface or structure.

As used herein, the term “obtuse” refers to an angle or alignment that is greater than 90° and less than 180°.

As used herein, the term “chamfer” refers to a surface of a body or board of a component of an exterior wall system assembly disclosed herein, wherein the surface is aligned oblique to vertical plane or a front side or rear side of said body or board.

As used herein, the term “air cavity” refers to a void space between two layers of material intentionally included within a wall assembly for the movement of water.

As used herein, the term “fireblocking” refers to a material that resists the free passage of flame and/or hot gasses through a building through concealed spaces. Examples of fireblocking materials include, but are not limited to, two-inch (50.8 mm) nominal lumber, two thicknesses of one-inch (25.4 mm) nominal lumber with broken lap joints, one thickness of 0.719-inch (18.3 mm) wood structural panel with joints backed by 0719-inch (18.3 mm) wood structural panels, one thickness of 0.75-inch (19.1 mm) particleboard with joints backed by 0.75-inch (19.1 mm) particleboard, one-half inch (12.7 mm) gypsum board, one-fourth inch (6.4 mm) cement-based millboard, batts or blankets of mineral wool and/or mineral fiber.

As used herein, the term “non-combustible” refers to (i) a material no part of which will ignite and burn when subjected to fire and/or a material passing ASTM E136-22; or (ii) a material having a structural base as defined in (i) with a surfacing material of not greater than one-eighth of an inch (3.2 mm) thickness which has a flame-spread index of 50 or less.

As used herein, the term “fire-resistant” refers to a material that is considered “non-combustible” and/or a “fireblocking” material and/or otherwise tends to resist combustion when exposed to fire or a source of ignition.

As used herein, the term “nadir” refers to a local low point within a channel or channel leg to which a liquid, such as water, would tend to flow. A channel nadir can serve as a sink or point to which liquid would tend to flow.

As used herein, the term “water resistant” refers to a material or object that tends inhibit or prevent water flowing therethrough or penetrating therein under atmospheric conditions.

As used herein, the term “water barrier” refers to a material or object that is generally impermeable to water under atmospheric conditions.

As used herein, the term “anterior” refers to being situated in front of a part or toward the front of the wall system assembly, and the term “posterior” refers to being situated behind a part or toward the rear of the wall system assembly. As used herein, the term “superior” refers to being situated higher up or toward the roof of the structure upon which the wall assembly is mounted, and the term “inferior” refers to being situated below a part or closer to the base of the structure upon which the wall assembly is mounted.

illustrate sections, exterior wall system components, and exterior wall system component subassemblies of an exterior wall system assemblyencompassing aspects of the present disclosure. The exterior wall system assemblycomprises drainage features that are configured to allow the migration of water and moisture from air cavities and interior voids within the exterior wall system assemblyout of the front facethereof. The exterior wall system assemblycomprises a drainage channelthat comprises one or more chamfered surfaces that are angled downward to one or more channel nadirs or sinks. The drainage channelis in fluid communication, either directly or indirectly, with both one or more air cavities formed within the exterior wall system assemblyand the exterior or outside of the building upon which the exterior wall system assemblyis disposed. An inlet of a drainage tube is disposed at each channel nadir or sink, each drainage tube being angled downward from the respective channel nadir or sink and extending through one or more layers of the exterior wall system assemblyto the front facethereof, thereby providing a pathway for water to exit to the exterior of the building upon which the exterior wall system assemblyis mounted.

illustrate a section of the exterior wall system assembly. The exterior wall system assemblycomprises the front faceat which an exterior finish layeris disposed. The exterior wall system assemblyalso includes a plurality of drainage openings formed in the exterior finish layer, with a first drainage tubedisposed in one drainage opening and a second drainage tubedisposed in a second drainage opening.

As shown in, an insulation board assemblyis shown disposed posterior to the exterior finish layerwithin the exterior wall system assembly. The individual insulation boards of the insulation board assemblycooperate to form all or a portion of the drainage channelthat is disposed within the interior of the exterior wall system assembly. The drainage channelcomprises a channel apexthat is disposed between a first channel mid legand a second channel mid leg. Each of the first channel mid legand the second channel mid legis angled downward from the channel apex. The drainage channelalso comprises a first channel side legdisposed adjacent the first channel mid legand a second channel side legdisposed adjacent the second channel mid leg.

The section of the exterior wall system assemblyshown incan be 144 inches (365.76 cm) or about 366 cm in width. The distance of the first drainage tubefrom the first side edge of the section can be about 6 inches (15.24 cm) or about 15 cm. The distance of the second drainage tubefrom the second side edge of the section can be about 6 inches (15.24 cm) or about 15 cm. The channel apex 116 can be about 72 inches (182.88 cm) or about 189 cm from either side of the section, about 6 inches (1524 cm) or about 15 cm from the base of the section. Each drainage opening in which either the first drainage tubeor the second drainage tubeare disposed can be about 3 inches (7.62 cm) or about 8 cm from the base of the section. The top of each side channel of the drainage channelcan be about 6 inches (15.24 cm) or about 15 cm higher than or superior to the respective drainage opening and about 9 inches (22.86 cm) or about 23 cm higher than or superior to the base of the section. Each of the upper and lower boards of the insulation board assemblies can be about 48 inches (121.92 cm) or about 122 cm in width. The apexcan be about 3 inches (7.62 cm) or about 8 cm higher than or superior to each of the drainage openings, and about 138 inches (350.52 cm) or about 351 cm to left or right of a drainage opening.

As shown in, the first channel mid legextends downward from the channel apexto a first channel trough, and the second channel mid legextends downward from the channel apexto a second channel trough. The first channel side legopposes the first channel mid legand extends downward to the first channel trough, and the second channel side legopposes the second channel mid legand extends downward to the second channel trough. The first channel side legis aligned adjacent to the first channel mid legand cooperates with the first channel mid legto form the first channel trough. The lowest elevation of the first channel troughis at a first channel nadir. The first drainage tubeis aligned in fluid communication with the drainage channel, and, more particularly, with both the first channel mid legand the first channel side leg. The first drainage tubecomprises a first drainage tube inletthat is disposed at the first channel nadirand is open to the first channel trough.

The first channel side legis disposed at a first channel side leg angle relative to the first channel troughand the first channel mid legis disposed at a first channel mid leg angle relative to the first channel trough. The first channel side leg angle is not equal to the first channel mid leg angle. Rather, the first channel side leg angle is greater than the first channel mid leg angle. The first channel mid legexhibits a first channel mid leg length and the first channel side legexhibits a first channel side leg length. The first channel mid leg length is greater than that first channel side leg length.

The second channel side legis aligned adjacent to the second channel mid legand cooperates with the second channel mid legto form the second channel trough. The lowest elevation of the second channel troughis at a second channel nadir. The second drainage tubeis aligned in fluid communication with the drainage channel, and, more particularly, with both the second channel mid legand the second channel side leg. The second drainage tubecomprises a second drainage tube inletthat is disposed at the second channel nadirof the second channel troughand is open to the second channel trough.

The second channel side legis disposed at a second channel side leg angle relative to the second channel troughand the second channel mid legis disposed at a second channel mid leg angle relative to the second channel trough. The second channel side leg angle is not equal to the second channel mid leg angle. Rather, the second channel side leg angle is greater than the second channel mid leg angle. The second channel mid legexhibits a second channel mid leg length and the second channel side legexhibits a second channel side leg length. The second channel mid leg length is greater than that second channel side leg length. The second channel side leg angle can be equal to the first channel side leg angle. Likewise, the second channel mid leg angle can be equal to the first channel mid leg angle. Furthermore, the second channel side leg length can be equal to the first channel side leg length, and the second channel mid leg length can be equal to the first channel mid leg length.

As shown in, the insulation board assemblycomprises an upper insulation board assemblythat cooperates with a lower insulation board assemblyto form both the drainage channeland an insulation layer of the exterior wall system assembly. The upper insulation board assemblycomprises a central upper board, a first side upper boarddisposed adjacent the central upper boardon a first side of the central upper board, and a second side upper boarddisposed adjacent the central upper boardon a second side of the central upper board. The lower insulation board assemblycomprises a central lower boarddisposed below the central upper board, a first side lower boarddisposed adjacent the central lower boardon a first side of the central lower boardand below the first side upper board, and a second side lower boarddisposed adjacent the central lower boardon a second side of the central lower boardand below the second upper side board.

The central upper boardand the first side upper boardcontact each other to form a first side upper seam. The central upper boardand the second side upper boardcontact each other to form a second side upper seam. The central lower boardand the first side lower boardcontact each other to form a first side lower seam, and the central lower boardcontacts the second side lower boardto form a second side lower seam. The first side upper seamis aligned colinear with the first side lower seam, and the second side upper seamis aligned colinear with the second side lower seam.

The first channel side legincludes a first channel side leg floorand a first channel side leg ceiling. The first channel side leg flooris formed on the first side lower board, and the first channel side leg ceilingis formed on the first side upper board. The first channel mid legincludes a first channel mid leg floorand a first channel mid leg ceiling. The first channel mid leg ceilingis formed by the cooperation of both the first side upper boardand the central upper board, and the first channel mid leg flooris formed by the cooperation of the first side lower boardand the central lower board. The first channel side leg floorextends from the vertical side of the first side lower boardto the first channel trough. The first channel mid leg floorextends from a channel floor vertex, which forms a lower bound of the channel apex, to the first channel side leg floorat the first channel trough. The first channel mid leg ceilingextends from a channel ceiling vertex, which forms an upper bound of the channel apex, to the first channel side leg ceiling.

The second channel side legincludes a second channel side leg floorand a second channel side leg ceiling. The second channel side leg flooris formed on the second side lower board, and the second channel side leg ceilingis formed on the second side upper board. The second channel mid legincludes a second channel mid leg floorand a second channel mid leg ceiling. The second channel mid leg ceilingis formed by the cooperation of both the second side upper boardand the central upper board, and the second channel mid leg flooris formed by the cooperation of the second side lower boardand the central lower board. The second channel side leg floorextends from the vertical side of the second side lower boardto the second channel trough. The second channel mid leg floorextends from the channel floor vertexto the second channel side leg floorat the second channel trough. The second channel mid leg ceilingextends from the channel ceiling vertexto the second channel side leg ceiling.

As shown in, a channel membraneis disposed on the top surfaces of the lower central board, the first side lower board, and the second side. The channel membraneis formed of a water barrier and/or water-resistant material. On the first side lower board, the channel membraneis disposed on a first side lower board first hip, a portion of which forms a portion of the first channel mid leg floor, and on a first side lower board second hip, a portion of which forms the first channel side leg floor. The channel membraneextends from the front face to the rear face of the first side lower boardand covers the entirety of the first side lower board first hipand the first side lower board second hip. The channel membranealso covers the first side lower board valley, which is formed by the cooperation of the first side lower board first hipand the first side lower board second hip. A portion of the first side lower board valleyforms the lower bound of the first channel trough.

On the second side lower board, the channel membraneis disposed on a second side lower board first hip, a portion of which forms a portion of the second channel mid leg floor, and on a second side lower board second hip, a portion of which forms the second channel side leg floor. The channel membraneextends from the front face to the rear face of the second side lower boardand covers the entirety of the second side lower board first hipand the second side lower board second hip. The channel membranealso covers the second side lower board valley, which is formed by the cooperation of the second side lower board first hipand the second side lower board second hip. A portion of the second side lower board valleyforms the lower bound of the second channel trough.

On the central lower board, the channel membraneis disposed on a central lower board first hip, a portion of which forms a portion of the first channel mid leg floor, and on a central lower board second hip, a portion of which forms a portion of the second channel mid leg floor. The channel membraneextends from the front face to the rear face of the central lower boardand covers the entirety of the central lower board first hipand the central lower board second hip. The channel membranealso covers the central lower board ridge, which is formed by the cooperation of the central lower board first hipand the central lower board second hip. A portion of the central lower board ridgeforms the channel floor vertex. The central lower board ridgealso forms the lower board assembly vertex.

The lower board assemblyincludes a front top edgedisposed proximal to the front faceof the exterior wall system assemblyand a rear top edgedisposed distal to the front faceof the exterior wall system assembly. Both the front top edgeand the rear top edgeextend along the first side lower board first hip, the first side lower board second hip, the central lower board first hip, the central lower board second hip, the second side lower board first hip, and the second side lower board second hip. Along any vertical plane aligned perpendicular to the front faceof the exterior wall system assembly, the portion of the front top edgedisposed within said vertical plane is aligned superior to the portion of the rear top edgealso disposed within said vertical plane. Accordingly, each of the first side lower board first hip, the first side lower board second hip, the central lower board first hip, the central lower board second hip, the second side lower board first hip, and the second side lower board second hipis sloped downward from the front top edgeto the rear top edge. As a result, water or moisture disposed on any one of the first side lower board first hip, the first side lower board second hip, the central lower board first hip, the central lower board second hip, the second side lower board first hip, and the second side lower board second hipcan tend to migrate toward the rear top edge. Furthermore, such water or moisture disposed on any one of the first side lower board first hip, the first side lower board second hip, and the central lower board first hipcan tend to migrate toward the first channel troughin view of the angles of inclination of each of said hips. Also, such water or moisture disposed on any one of the central lower board second hip, the second side lower board first hip, and the second side lower board second hipcan tend to migrate toward the first channel troughin view of the angles of inclination of each of said hips.

illustrates the chamfers formed on the boards of the upper board assembly. The first side upper boardincludes a first side upper board front sidedisposed proximal to the front faceof the exterior wall system assembly, a first side upper board rear sideopposing the first side upper board front sideand disposed distal to the front faceof the exterior wall system assembly, a first side upper board first sideextending between the first side upper board front sideand the first side upper board rear side, a first side upper board second sideopposing the first side upper board first sideextending between the first side upper board front sideand the first side upper board rear side, and a first side upper board top sideextending between the first side upper board front sideand the first side upper board rear side, as well as between the first side upper board first sideand the first side upper board second side.

The first side upper boardalso includes a first side upper board first rear chamferdisposed adjacent the first side upper board first sideand the first side upper board rear side. The first side upper board first rear chamferforms the first channel side leg ceiling. The first side upper boardfurther includes a first side upper board second rear chamfer, which forms a portion of the first channel mid leg ceilingand is disposed adjacent the first side upper board rear sideand the first side upper board first chamfer. Additionally, the first side upper boardincludes a first side upper board first front chamferdisposed adjacent the first side upper board first rear chamferand the first side upper board front side, and a first side upper board second front chamferdisposed adjacent the first side upper board front side, the first side upper board first front chamfer, and the first side upper board second rear chamfer.

The first side upper board first front chamferis aligned face to face with first side lower board first hipwith the channel membranedisposed therebetween. The first side upper board second front chamferis aligned face to face with the first side lower board second hipwith the channel membranedisposed therebetween. Each of the first side upper board first front chamferand the first side upper board second front chamferare aligned at a 45° angle relative to the first side upper board front side. Each of the first side upper board first rear chamferand the first side upper board second rear chamferare aligned at a 45° angle relative to the first upper board rear side.

The central upper boardincludes a central upper board front sidedisposed proximal to the front faceof the exterior wall system assembly, a central upper board rear sideopposing the central upper board front sideand disposed distal to the front faceof the exterior wall system assembly. The central upper boardalso includes a central upper board first sideextending between the central upper board front sideand the central upper board rear side, and a central upper board rear sideopposing the central upper board first sideandextending between the central upper board front sideand the central upper board rear side. Furthermore, the central upper boardincludes a central upper board first rear chamferdisposed adjacent the central upper board rear side, a central upper board second rear chamferdisposed adjacent the central upper board first rear chamferand the central upper board rear side, a central upper board first front chamferdisposed adjacent the central upper board front side, the central upper board first sideand the central upper board first rear chamfer. The central upper boardalso includes a central upper board second front chamferdisposed adjacent the central upper board front side, the central upper board second side, the central upper board second rear chamfer, and the central upper board first front chamfer.

The central upper board first rear chamferforms a portion of the first channel mid leg ceiling, and the central upper board second rear chamferforms a portion of the second channel mid leg ceiling. The central upper board first front chamferis aligned face to face with the central lower board first hipwith a portion of the channel membranedisposed therebetween. The central upper board second front chamferis aligned face to face with the central lower board second hipwith a portion of the channel membranedisposed therebetween. Each of the central upper board first front chamferand the central upper board second front chamferare aligned at a 45° angle relative to the central upper board front side. Each of the central upper board first rear chamferand the central upper board second rear chamferare aligned at a 45° angle relative to the central upper board rear side.

The second side upper boardincludes a second side upper board front sidedisposed proximal to the front faceof the exterior wall system assembly, a second side upper board rear sideopposing the second side upper board front sideand disposed distal to the front faceof the exterior wall system assembly, a second side upper board first sideextending between the second side upper board front sideand the second side upper board rear side, a second side upper board second sideopposing the second side upper board first sideextending between the second side upper board front sideand the second side upper board rear side, and a second side upper board top sideextending between the second side upper board front sideand the second side upper board rear side, as well as between the second side upper board first sideand the second side upper board second side.