...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...
...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...
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...
...characteristics. Moisture Control of Glulam The checking of wood is due to differential shrinkage of the wood fibres in the inner and outer portions of a wood member. Glulam is...
Flame spread is primarily a surface burning characteristic of materials, and a flame-spread rating is a way to compare how rapid flame spreads on the surface of one material...
In the National Building Code of Canada (NBC) “fire-resistance rating” is defined in part as: “the time in minutes or hours that a material or assembly of materials...
The vulnerability of any building in a fire situation is higher during the construction phase when compared to the susceptibility of the building after it has been completed...
A structure must be designed to resist all the loads expected to act on the structure during its service life. Under the effects of the expected applied loads, the structure...
For many years, the design values of Canadian dimension lumber were determined by testing small clear samples. Although this approach had worked well in the past, there were...
A permanent wood foundation (PWF) is an engineered construction system that uses load-bearing exterior light-frame wood walls in a below-grade application. A PWF consists of...
“Durability by design” is the most important aspect of durable solutions. It starts with using dry wood, storing it appropriately to ensure it stays dry, and then...
For outdoor applications of wood, we have a strong tradition here in North America of using our naturally durable species: Western red cedar, Eastern white cedar, yellow...
Treating Methods There are two basic methods of treating: with and without pressure. Non-pressure methods are the application of preservative by brushing, spraying or dipping...
The appearance of wood can be modified with the application of an architectural coating. Architectural coatings are surface coverings such as paints and stains applied...
Non-Pressure Treated Wood For most treated wood, preservatives are applied in special facilities using pressure. However, sometimes this isn’t possible, or the need for...
Preservative-treated wood is typically pressure-treated, where the chemicals are driven a short distance into the wood using a special vessel that combines pressure and...