Fire Rated Wood

Fire retardant treated wood frtw as defined by the national building code of canada nbc is wood or a wood product that has had its surface burning characteristics such as flame spread rate of fuel contribution and density of smoke developed reduced by impregnation with fire retardant chemicals frtw must be pressure impregnated with fire retardant chemicals in. Our fire rated wood door frames allow builders and architects to comply with the strictest building code requirements without sacrificing the design integrity of the project. Category a doors refer to the seals being built into the edge of the door which expands into the gap during a fire.

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Fire rated wood is coated with chemicals that withstand ignition and can significantly lower the spread of fire.

Fire rated wood.

The use of dricon frt wood can result in greater safety reduced insurance rates and overcoming building code limitations. Simpson s 20 minute fire rated wood doors are constructed with fire rated core materials and a unique manufacturing process for fire resistance. The american wood council awc and its members have tested a number of wood frame fire rated assem blies. Composite fire rated material is used under the wood to maintain fire resistance during a fire.

Fire rated wood s safety attracts buyers can reduce insurance costs as well as can help save lives. The new fire resistive listing ul design no. Overview this treated wood contains a superior fire retardant chemical that remains stable in high temperature environments. Most importantly fire retardant wood is a critical safety precaution that attracts buyers reduces insurance costs and saves lives.

Answer during a fire expandable seals control the spread of fire smoke within the gap between door and frame. A fire resistant core is wrapped with wood veneers to perfectly match the non rated door frames throughout the project. Cdf offers a single 90 minute fire rated wood door made of mineral core materials which is suitable for room and corridor partition openings where rated doors are required. The design calls for the use of pyro guard frt lumber and plywood.

Descriptions of successfully tested lumber wall assemblies are provided in table 1 for one hour rated wall assemblies and table 2 for two hour rated wall assemblies. Many of these same products are tested for how well they keep up in heat high moisture and corrosivity. These doors are manufactured with the superstile for superior screw holding strength and split resistance. V314 is the first fire resistance rated bearing wall assembly to be tested by ul with frtw.

And does not increase the corrosivity of metal hardware in contact with the wood. Fire retardant wood is not wood that has been treated with a coating or other external fire retardant and it must be fully incorporated into the wood to be considered a fire retardant wood.

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