Wall assembly - Revision history

J.williams: 1 revision imported

2015-11-13T01:47:32Z

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Jmdonev at 21:31, 22 October 2015

2015-10-22T21:31:39Z

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	[[Category:Done 2015-03-~~06]] [[Category: Check Images]] [[Category: Needs Citations~~]]		[[Category:Done 2015-10-15]]
	[[File:~~Typical residential wall assembly~~.jpg\|~~350px~~\|~~thumbnail~~\|right\|~~Typical residential~~ wall assembly <ref>~~Building Science Corporation~~. ~~"Enclosures That Work"~~. ~~Internet~~: ~~http~~://~~www~~.~~buildingscience~~.~~com~~/~~documents~~/~~information-sheets~~/~~high-r-value-wall-assemblies~~/~~high-r-wall-01-standard-wall-construction?topic=resources~~/~~high-r-value-wall-assemblies [November 3, 2013]~~</ref>]]		[[File:WALLTITE_spray_foam_insulation_being_applied.jpg\|360px\|thumb\|right\|Figure 1. Insulation, such as the spray insulation above, is one major component of a wall assembly.<ref>Wikimedia Commons. (October 18,2015). ''Wallite Spray Foam Insulation'' [Online]. Available: https://upload.wikimedia.org/wikipedia/commons/1/19/WALLTITE_spray_foam_insulation_being_applied.jpg</ref>]]
	This article refers to the wall assembly as part of the ''[[building envelope]]''.		This article refers to the wall assembly as part of the ''[[building envelope]]''.

	<onlyinclude>The '''wall assembly''' consists of a system of components that fulfill the support, control, and finish function of the building envelope.</onlyinclude> While the precise placement and configuration of each component may vary between climates and individual buildings, the following components are typically found in the wall assembly (from exterior to interior):<ref>Building Envelope Corporation. "High R-Value Wall Assemblies". Internet: http://www.buildingscience.com/resources/high-r-value-wall-assemblies [November 3, 2013]</ref>		<onlyinclude>The '''wall assembly''' consists of a system of components that fulfill the support, control, and finish function of the building envelope.</onlyinclude> While the precise placement and configuration of each component may vary between climates and individual buildings, the following components are typically found in the wall assembly (from exterior to interior):<ref>Building Envelope Corporation. "High R-Value Wall Assemblies". Internet: http://www.buildingscience.com/resources/high-r-value-wall-assemblies [November 3, 2013]</ref><ref>NRCAN. (October 18, 2015). ''Keeping the Heat in'' [Online]. Available: http://www.nrcan.gc.ca/sites/www.nrcan.gc.ca/files/energy/pdf/housing/Keeping-the-Heat-In_e.pdf</ref>
	*'''Exterior cladding''': The exterior cladding is the first barrier to prevent bulk moisture penetration into the building interior. Examples of typical materials include stucco, exterior insulation finishing system (EIFs), clay brick, vinyl siding, and cedar siding.		*'''Exterior cladding''': The exterior cladding is the first barrier to prevent bulk moisture penetration into the building interior. Examples of typical materials include stucco, exterior insulation finishing system (EIFs), clay brick, vinyl siding, and cedar siding.
	*'''Exterior sheathing membrane''': The exterior sheathing is the waterproofing membrane that protects the underlying structure from bulk moisture ingress. Residential homes typically use asphalt impregnated kraft paper, colloquially referred to as building wrap. Modern commercial structures typically rely on more modern waterproofing systems such as self-adhering styrene-butadiene-styrene (SBS) rubberized asphalt sheets.		*'''Exterior sheathing membrane''': The exterior sheathing is the waterproofing membrane that protects the underlying structure from bulk moisture ingress. Residential homes typically use asphalt impregnated kraft paper, colloquially referred to as building wrap. Modern commercial structures typically rely on more modern waterproofing systems such as self-adhering styrene-butadiene-styrene (SBS) rubberized asphalt sheets.

J.williams: 1 revision imported

2015-08-26T21:31:47Z

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J.williams at 17:00, 12 August 2015

2015-08-12T17:00:29Z

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[[Category:Done 2015-03-06]] [[Category: Check Images]] [[Category: Needs Citations]]
[[File:Typical residential wall assembly.jpg|350px|thumbnail|right|Typical residential wall assembly <ref>Building Science Corporation. "Enclosures That Work". Internet: http://www.buildingscience.com/documents/information-sheets/high-r-value-wall-assemblies/high-r-wall-01-standard-wall-construction?topic=resources/high-r-value-wall-assemblies [November 3, 2013]</ref>]]
This article refers to the wall assembly as part of the ''[[building envelope]]''.

<onlyinclude>The '''wall assembly''' consists of a system of components that fulfill the support, control, and finish function of the building envelope.</onlyinclude> While the precise placement and configuration of each component may vary between climates and individual buildings, the following components are typically found in the wall assembly (from exterior to interior):<ref>Building Envelope Corporation. "High R-Value Wall Assemblies". Internet: http://www.buildingscience.com/resources/high-r-value-wall-assemblies [November 3, 2013]</ref>
*'''Exterior cladding''': The exterior cladding is the first barrier to prevent bulk moisture penetration into the building interior. Examples of typical materials include stucco, exterior insulation finishing system (EIFs), clay brick, vinyl siding, and cedar siding.
*'''Exterior sheathing membrane''': The exterior sheathing is the waterproofing membrane that protects the underlying structure from bulk moisture ingress. Residential homes typically use asphalt impregnated kraft paper, colloquially referred to as building wrap. Modern commercial structures typically rely on more modern waterproofing systems such as self-adhering styrene-butadiene-styrene (SBS) rubberized asphalt sheets.
*'''Exterior sheathing''': The flat surface that receives the exterior sheathing membrane around the perimeter of the building. Typically the exterior sheathing is comprised of a manufactured wood product such as plywood or oriented strand board (OSB).
*'''[[Insulation]]''': [[Insulation]] is any material used in the wall assembly to retard the transfer of heat through the wall. Commonly used materials include fiberglass batts, polyisocyanurate rigid board, and polyurethane foam. Batting insulation is the most common, and least expensive of these insulations.
*'''Structural components''': A variety of structural support forms are available to transfer loads through the wall assembly. In a typical residential wall, wood studs comprise the primary structural component. However, commercial and industrial buildings wall assemblies may be structurally supported by variety of components such as cold-formed steel studs, reinforced concrete, mass masonry, and structural steel members. The [[insulation]] is typically placed in the interstitial space between structural components.
*'''Vapour barrier''': The air and/or vapour barrier is an essential component of the wall assembly. If water makes its way through the wall and wets the insulation, significant damage can occur to the insulation, decreasing its heat retention, and potentially growing mold. Air and water vapour mass transfer through the wall assembly is primary controlled by the properties of the air/vapour barrier. In some cases, two separate barriers are installed, one for air control and one for vapour control. The location of the barriers in the wall assembly is dependent on the exterior climate and interior use. Typical residential wall assemblies use polyethylene sheets as the primary air/vapour barrier.
*'''Interior sheathing (drywall)''': The interior sheathing is the "finished" surface of the wall assembly that the occupants will interact with on the the interior of the building. The interior sheathing is typically comprised of gypsum board, colloquially known as drywall.

==References==
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