Modern building materials are tested and given ratings and classifications by the international building code using tests under controlled conditions. Web plywood grade stamp explained. Web specifying the correct fire retardant panels for your project. Occasionally, a piece of wood may have been cut or damaged in such a way as to remove or obscure the stamp. Sheets up to 5x12 feet are also available.
And canadian standards and carry a dual mark, as shown in the rated sheathing mark above. The international building code requires that each piece of fire retardant lumber and plywood be properly labeled to identify that it has been properly treated for the intended use and meets required industry standards. House wrap (optional) exterior facings (optional) 2 hour wall assembly: Web typically used when no span rating is noted.
Sheets up to 5x12 feet are also available. Web 1 being the strongest. Dricon® fs is required to be stamped.
Wood that is labeled but does not have a stamp may not meet industry standards for appropriate fire resistance. Most commonly, sanded plywood products intended for a variety of industrial and construction uses are identified only with a group classification, not with a span rating as explained next. Web plywood grade stamp explained. Coatings may only cover one side of the lumber or plywood. Bim library get a sample.
Ul v343 fire retardant wall assembly: Now ul listed (ul 263): This helps prevent plywood from burning when it comes into contact with fire.
Sheets Up To 5X12 Feet Are Also Available.
This makes it a safer type of wood to use in home structures and backboarding. Web fire retardant quality marks. If there are two numbers, the first refers to roof applications, the second to floor applications. Occasionally, a piece of wood may have been cut or damaged in such a way as to remove or obscure the stamp.
Web Plywood Grade Stamp Explained.
As a leader in plywood innovation we have developed a family of fire retardant plywood products specific to the needs of construction sector. Ul v343 fire retardant wall assembly: Panel type, canadian standard —some apa panels are manufactured to both u.s. Web how to tell if your plywood is fire rated.
House Wrap (Optional) Exterior Facings (Optional) 2 Hour Wall Assembly:
Web typically used when no span rating is noted. Web fire retardant plywood specially treated with chemicals that act as a physical barrier to fire. Sustainable fire protection for your construction projects. Web fire retardant treated wood provides fire protection to all 4 sides of the lumber and plywood.
If Decay Is A Concern, It Should Be Pressure.
The international building code requires that each piece of fire retardant lumber and plywood be properly labeled to identify that it has been properly treated for the intended use and meets required industry standards. Wood that is labeled but does not have a stamp may not meet industry standards for appropriate fire resistance. Most commonly, sanded plywood products intended for a variety of industrial and construction uses are identified only with a group classification, not with a span rating as explained next. Download a free pdf from the apa resource library.
Joist, truss etc) that the panel may be applied. Coatings may impede truss plate connections. Modern building materials are tested and given ratings and classifications by the international building code using tests under controlled conditions. Web specifying the correct fire retardant panels for your project. Web fire retardant plywood specially treated with chemicals that act as a physical barrier to fire.