Fire Retardant Treated Wood Is Recognized As A Noncombustible Material

Construction types iii iv and v may be framed exclusively with wood but exterior walls in types iii and iv buildings are required to be fire retardant treated wood frtw.

Fire retardant treated wood is recognized as a noncombustible material.

Dricon fire retardant treated frt wood is recognized as an alternative to materials classified as noncombustible for a range of applications by building code organizations and related agencies. The use of dricon frt wood can result in greater safety reduced insurance rates and overcoming building code limitations. Fire retardant plywood is not considered non combustible but it can often be used in place of non combustible materials in certain situations. In determining the fire resistance rating of an assembly through astm.

Recognized as an alternative to other noncombustible materials building code agencies have approved frt wood for a wide range of applications. And does not increase the corrosivity of metal hardware in contact with the wood. This treated wood contains a superior fire retardant chemical that remains stable in high temperature environments. Type iii is wood frame with noncombustible or fire retardant treated wood exterior walls type iv is heavy tim ber and type v is generally thought of as wood frame.

Product overview fire retardant treated frt lumber reduces the effects of fire with innovative materials that impede flame spread and smoke development. It is far less combustible than traditional plywood which insurance companies the international building code ibc and other sources may take into consideration. Fire retardant treated frt wood is a. Construction types i and ii are defined in ibc section 602 as having all elements of non combustible materials except where permitted in ibc section 603.

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. Most importantly fire retardant wood is a critical safety precaution that attracts buyers reduces insurance costs and saves lives. A material whose core is noncombustible but is covered with a combustible lamination or paint is considered a noncombustible material provided that the thickness of the paint or lamination does not exceed. The 2018 international building code clarifies that fire retardant treated wood frtw manufactured without using the pressure process must be impregnated with chemicals.