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Impact of Cracks to the Hygrothermal Properties of CLT Water Vapour Resistance and Air Permeability

https://research.thinkwood.com/en/permalink/catalogue1326
Year of Publication
2017
Topic
Mechanical Properties
Material
CLT (Cross-Laminated Timber)

In-Plane Permeability of Oriented Strand Lumber, Part I: The Effects of Mat Density and Flow Direction

https://research.thinkwood.com/en/permalink/catalogue1466
Year of Publication
2010
Topic
General Information
Material
OSL (Oriented Strand Lumber)
Author
Zhang, Chao
Smith, Gregory
Publisher
Society of Wood Science and Technology
Year of Publication
2010
Country of Publication
United States
Format
Journal Article
Material
OSL (Oriented Strand Lumber)
Topic
General Information
Keywords
Aspen
Permeability
Density
Language
English
Research Status
Complete
Series
Wood and Fiber Science
Summary
The in-plane permeability was measured for thick, unidirectional oriented strand lumber made from aspen (Populus tremuloides) strands and pressed to five different densities. The press cycle was such that the vertical density profile of the panels was uniform...
Online Access
Free
Resource Link
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Moisture Response of Wall Assemblies of Cross-Laminated Timber Construction in Cold Canadian Climates

https://research.thinkwood.com/en/permalink/catalogue143
Year of Publication
2012
Topic
Serviceability
Moisture
Material
CLT (Cross-Laminated Timber)
Application
Walls
Author
Lepage, Robert
Organization
University of Waterloo
Year of Publication
2012
Country of Publication
Canada
Format
Thesis
Material
CLT (Cross-Laminated Timber)
Application
Walls
Topic
Serviceability
Moisture
Keywords
Canada
Climate
Decay
Durability
Hem-Fir
Hygrothermal
Mold
Relative Humidity
Rot
Simulation
SPF
Water Vapour Permeability
Language
English
Research Status
Complete
Summary
Wood is a highly versatile renewable material (with carbon sequestering properties), that is light in weight, has good strength properties in both tension and compression while providing good rigidity and toughness, and good insulating properties (relative to typical structural materials). Engineered wood products combine the benefits of wood with engineering knowledge to create optimized structural elements. Cross-laminated timber (CLT), as one such engineered wood product, is an emerging engineering material which provides great opportunities for the building industry. While building with wood has many benefits, there are also some concerns, particularly decay. Should wood be exposed to elevated amounts of moisture, rots and moulds may damage the product or even risk the health of the occupants. As CLT panels are a relatively new engineered wood product, the moisture characteristics have yet to be properly assessed.
Online Access
Free
Resource Link
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Technical Note: Effects of Nanoclay Addition to Phenol-Formaldehyde Resin on the Permeability of Oriented Strand Lumber

https://research.thinkwood.com/en/permalink/catalogue1465
Year of Publication
2010
Topic
Connections
Material
OSL (Oriented Strand Lumber)
Author
Zhang, Chao
Smith, Gregory
Publisher
Society of Wood Science and Technology
Year of Publication
2010
Country of Publication
United States
Format
Journal Article
Material
OSL (Oriented Strand Lumber)
Topic
Connections
Keywords
Phenol Formaldehyde
Adhesives
Permeability
Nanoclays
Lodgepole Pine
Mountain Pine Beetle
Language
English
Research Status
Complete
Series
Wood and Fiber Science
Summary
This note examined the effects of adding nanoclays to phenol-formaldehyde resin during the manufacture of oriented strand lumber (OSL) on its in-plane permeability. The panels were made from mountain pine beetle (MPB) attacked lodgepole pine (Pinus contorta) strands...
Online Access
Free
Resource Link
Less detail