Nailing is the most basic and most commonly used means of attaching members in wood frame construction. Common nails and spiral nails are used extensively in all types of wood...
...screws commonly used are shown in Figure 5.4, below. For more information on wood screws, refer to the following resources: ASME B18.6.1 Wood Screws CSA O86 Engineering design in wood...
...the ends of timbers are carved out so that they fit together like puzzle pieces. The variations and configurations of wood-to-wood joints is quite large and complex. Some common wood-to-wood...
...on OSB, please refer to the following resources: APA – The Engineered Wood Association National Building Code of Canada CSA O86 Engineering design in wood CSA O325 Construction sheathing CSA...
...Adjustment Factors for Fire-Retardant-Treated Plywood Roof Sheathing National Building Code of Canada Example Specifications for Plywood Plywood Grades Plywood Handling and Storage Plywood Manufacture Plywood Sizes Quality Control of Plywood...
...of Non-Combustibility in Building Materials.” For further information, refer to the following resources: Wood Design Manual, Canadian Wood Council National Building Code of Canada CAN/ULC-S114 Test for Determination of Non-Combustibility...
...information, refer to the following resources: Wood Design Manual (Canadian Wood Council) Introduction to Wood Design (Canadian Wood Council) National Building Code of Canada CSA O86 Engineering design in wood...
...wood piles, wood cribs and wood trestles. The standard does not apply to falsework or formwork. CSA S-6 considers design of wood members under flexure, shear, compression and bearing. In...
...seal in order to issue a building permit. For further information, refer to the following resources: Permanent Wood Foundations (Canadian Wood Council) Wood Preservation Canada National Building Code of Canada...
By using roundwood that is often not be suitable for lumber production, wood-based panels make efficient use of the forest resource by providing engineered wood products with defined strength and...
...flaked wood strands that have a length-to-thickness ratio of approximately 75. The wood strands used in OSL are shorter than those in LSL. Combined with an adhesive, the strands are...
...Engineered Wood Association Canadian Construction Materials Centre (CCMC), Institute for Research in Construction CSA O86 Engineering design in wood ASTM D5456 Standard Specification for Evaluation of Structural Composite Lumber Products...
With advanced construction technologies and modern mass timber products such as glued-laminated timber, cross-laminated timber and structural composite lumber, building tall...
Timber bridges have a long history as vital components of the roadway, railway and logging road networks within Canada. Dependent on the availability of materials...
Tests Current research includes the World’s largest mass timber fire test – click here for updates on the test results currently being conducted https://firetests.cwc.ca/...
Studies General “The Historical Development of the Building Size Limits in the National Building Code of Canada“, by Sereca for CWC (2015) (17 Mb) Structural &...
Wood is the only major building material that grows naturally and is renewable. With growing pressure to reduce the carbon footprint of the built environment, building...
Of all the energy used in North America, it is estimated that 30 to 40 percent is consumed by buildings. In Canada, the majority of operational energy in residential...
Concerns about climate change are encouraging decarbonization of the building sector, including the use of construction materials responsible for fewer greenhouse gas (GHG)...
Construction products and the building sector as a whole have significant impacts on the environment. Policy instruments and market forces are increasingly pushing...
BUILDING CODES & STANDARDS (THE REGULATORY SYSTEM) The construction industry is regulated through building codes which are informed by: Design standards that provide...
The National Energy Code of Canada for Buildings (NECB) aims to help save on energy bills, reduce peak energy demand, and improve the quality and comfort of the building's...
Wood is composed of many small cellular tubes that are predominantly filled with air. The natural composition of the material allows for wood to act as an effective...
The provision of fire safety in a building is a complex matter; far more complex than the relative combustibility of the main structural materials used in a building. To...