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.
Fire rated wood.
V314 is the first fire resistance rated bearing wall assembly to be tested by ul with frtw.
A fire resistant core is wrapped with wood veneers to perfectly match the non rated door frames throughout the project.
The use of dricon frt wood can result in greater safety reduced insurance rates and overcoming building code limitations.
Fire rated wood s safety attracts buyers can reduce insurance costs as well as can help save lives.
Fire rated wood is coated with chemicals that withstand ignition and can significantly lower the spread of fire.
The american wood council awc and its members have tested a number of wood frame fire rated assem blies.
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.
Simpson s 20 minute fire rated wood doors are constructed with fire rated core materials and a unique manufacturing process for fire resistance.
The new fire resistive listing ul design no.
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.
These doors are manufactured with the superstile for superior screw holding strength and split resistance.
Composite fire rated material is used under the wood to maintain fire resistance during a fire.
The design calls for the use of pyro guard frt lumber and plywood.
Overview this treated wood contains a superior fire retardant chemical that remains stable in high temperature environments.
Many of these same products are tested for how well they keep up in heat high moisture and corrosivity.
And does not increase the corrosivity of metal hardware in contact with the wood.
Category a doors refer to the seals being built into the edge of the door which expands into the gap during a fire.