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Conception performante d’enveloppes de bâtiments à ossature de bois appliquée à la construction industrialisée

https://library.fpinnovations.ca/en/permalink/fpipub8159
Author
Holcroft, Neal
Lafond, Cassandra
Wang, Jieying
Date
Mai 2021
Material Type
Research report
Field
Sustainable Construction
Author
Holcroft, Neal
Lafond, Cassandra
Wang, Jieying
Contributor
Canadian Forest Service.
Date
Mai 2021
Material Type
Research report
Physical Description
8 p.
Sector
Wood Products
Field
Sustainable Construction
Research Area
Advanced Wood Materials
Subject
Buildings
Construction
Energy efficiency
Exterior
Roofs
Walls
Series Number
InfoNote 2021 No.21
Language
French
Abstract
Le présent document a été élaboré en vue de faciliter la construction industrialisée d'enveloppes de bâtiments à base de bois (murs extérieurs, toits), et donc de répondre aux exigences accrues en matière d'efficacité énergétique.
Documents

InfoNote2021N21F.pdf

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Energy efficient wood-frame building envelope assemblies in industrialized construction

https://library.fpinnovations.ca/en/permalink/fpipub8158
Author
Holcroft, Neal
Lafond, Cassandra
Wang, Jieying
Date
May 2021
Material Type
Research report
Field
Sustainable Construction
Author
Holcroft, Neal
Lafond, Cassandra
Wang, Jieying
Contributor
Canadian Forest Service.
Date
May 2021
Material Type
Research report
Physical Description
8 p.
Sector
Wood Products
Field
Sustainable Construction
Research Area
Advanced Wood Materials
Subject
Buildings
Construction
Energy efficiency
Exterior
Roofs
Walls
Series Number
InfoNote 2021 No.21
Language
English
Abstract
This document has been developed to facilitate industrialized construction for wood-based building envelopes (exterior wall, roof) to meet increased energy efficiency requirements.
Documents

InfoNote2021N21E.pdf

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Testing R22+ wood-frame walls for hygrothermal performance in the Vancouver climate: construction and instrumentation

https://library.fpinnovations.ca/en/permalink/fpipub8113
Author
Wang, Jieying
Ramandeep, Ramandeep
Holcroft, Neal
Chow, Gordon
Date
March 2021
Material Type
Research report
Field
Sustainable Construction
Author
Wang, Jieying
Ramandeep, Ramandeep
Holcroft, Neal
Chow, Gordon
Date
March 2021
Material Type
Research report
Physical Description
39 p.
Sector
Wood Products
Field
Sustainable Construction
Research Area
Building Systems
Subject
Wood frame
Performance
British Columbia
Climate
Environment
Series Number
Technical Report TR 2021 N 45
Language
English
Abstract
This study focuses on measuring the wood moisture content (MC), temperature, and relative humidity (RH) (and the corresponding vapour pressure gradients) through each wall assembly to assess its hygrothermal performance. Controlled moisture loads, in the form of vapour (achieved by maintaining a relatively high indoor RH) and liquid water (achieved by periodically injecting water to the wetting pads installed on the wood panels) are employed to stress these walls for investigating their moisture-related behaviour. After the wall panels and most instruments were installed but with the CLT directly exposed to the interior environment, a high indoor RH in range of 70-80% was maintained, starting mid-December 2020 inside the test hut to condition the wood to achieve comparable moisture gradients among the eight CLT panels. The test walls were closed in with interior framing (and interior insulation of walls No. 1 and No. 2) and drywall installed, followed with interior finishing in late January 2021. The indoor RH was afterwards set to be around 50%. Water injection is planned to start in the summer of 2021. Test results and performance of these walls will be presented and discussed in future reports.
Documents
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