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Building Envelope Summary: Hygrothermal Assessment of Systems for Mid-Rise Wood Buildings

https://research.thinkwood.com/en/permalink/catalogue250
Year of Publication
2014
Topic
Design and Systems
Fire
Moisture
Material
CLT (Cross-Laminated Timber)
Light Frame (Lumber+Panels)
Application
Wood Building Systems
Author
Abdulghani, Khaled
Cornick, Steve
Di Lenardo, Bruno
Ganapathy, Gnanamurugan
Lacasse, Michael
Maref, Wahid
Moore, Travis
Mukhopadhyaya, Phalguni
Nicholls, Mike
Saber, Hamed
Swinton, Michael
van Reenen, David
Organization
National Research Council of Canada
Year of Publication
2014
Country of Publication
Canada
Format
Report
Material
CLT (Cross-Laminated Timber)
Light Frame (Lumber+Panels)
Application
Wood Building Systems
Topic
Design and Systems
Fire
Moisture
Keywords
National Building Code of Canada
Mid-Rise
Building Envelopes
Language
English
Research Status
Complete
Summary
The role of the building envelope research team in this project was to assess whether midrise wood-frame (LWF) and cross-laminated timber (CLT) building envelope solutions developed by the fire research team to meet the fire provisions of the National Building Code (NBC) 2010 Part 3 Fire Protection, would also meet the NBC Part 5 Environmental Separation requirements relating to the protection of the building envelope from excessive moisture and water accumulation. As well, these wood-based mid-rise envelope solutions were to be assessed for their ability to meet Part 3 Building Envelope of the National Energy Code for Buildings (NECB) 2011. Requirements relating to heat, air, moisture, and precipitation (HAMP) control by the building envelope are included in Part 5 Environmental Separation of the NBC 2010. Part 5 addresses all building types and occupancies referred to in Part 3, but unlike requirements for fire protection, this section of the code was written more recently and is generic, including requirements that are more objective-oriented rather than prescriptive requirements pegged to specific constructions systems. The investigated methodologies developed and adapted for this study took those code characteristics into account.
Online Access
Free
Resource Link
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Hygrothermal Modelling Benchmark: Comparison of hygIRC Simulation Results with Full Scale Experiment Results (Report to Research Consortium for Wood and Wood-Hybrid Mid-Rise Buildings)

https://research.thinkwood.com/en/permalink/catalogue1950
Year of Publication
2014
Topic
Moisture
Material
Light Frame (Lumber+Panels)
Application
Walls
Author
Cornick, Steven
van Reenen, David
Organization
National Research Council of Canada
Year of Publication
2014
Country of Publication
Canada
Format
Report
Material
Light Frame (Lumber+Panels)
Application
Walls
Topic
Moisture
Keywords
Hygrothermal Models
Drying Rate
Language
English
Research Status
Complete
Online Access
Free
Resource Link
Less detail

Mid-Rise Wood: Characterization of Hygrothermal Properties

https://research.thinkwood.com/en/permalink/catalogue49
Year of Publication
2014
Topic
Design and Systems
Moisture
Material
CLT (Cross-Laminated Timber)
Application
Walls
Author
Mukhopadhyaya, Phalguni
Bundalo-Perc, Sladana
van Reenen, David
Wang, Jasmine
Organization
National Research Council of Canada
Year of Publication
2014
Country of Publication
Canada
Format
Report
Material
CLT (Cross-Laminated Timber)
Application
Walls
Topic
Design and Systems
Moisture
Keywords
Envelope
Exterior Walls
Hygrothermal
Mid-Rise
Language
English
Research Status
Complete
Summary
To evaluate the building envelope performance of the generic exterior wall assemblies developed for use in mid-rise wood buildings, hygrothermal properties of materials used in the assemblies are needed as input data for hygrothermal modelling. Hygrothermal properties were developed for fire retardant treated plywood, regular gypsum sheathing, spray polyurethane foam and cross-laminated timber. This report documents results of the hygrothermal property determinations. The objective of this part of the research project was to generate a set of reliable and representative data on hygrothermal properties of a number of selected building materials as mentioned below. 1. D-Blaze Treated Plywood 2. Dricon Treated Plywood 3. Gypsum Sheathing 4. Closed Cell Spray Polyurethane Foam Insulation (Purple in Colour)
Online Access
Free
Resource Link
Less detail