Ul recently tested and promulgated a listing for an exterior wall system ews containing pressure impregnated fire retardant treated wood frtw which makes the plan approval process for type i ii and iii construction quicker and easier for architects.
Exterior fire treated lumber.
Read more about ul certifies nfpa 285 exterior wall system with fire retardant treated wood.
Frx fire retardant treated wood may be used in exterior applications permitted by the codes where public safety is critical other materials would transfer heat or allow fires to spread sprinkler systems cannot easily be installed corrosive atmospheres necessitate excessive maintenance of other materials and where fire protection is inadequate or not readily available.
It is suitable for permanent and temporary exterior construction such as decks balconies stairways roof coverings canopies and awnings store fronts and facades open air roof.
Fire treated pyro guard is used for interior structural applications such as ceilings and floor joists.
Exterior fire x exterior fire retardant treated lumber plywood exterior fire x products are specifically designed and formulated with exterior use in mind.
When pyro guard treated wood is exposed to fire non combustible gas and water vapor are produced and a layer of protective char forms which hinders combustion and insulates the wood against further damage.
Wood pressure treated with frx fire retardant is code compliant and has been issued an evaluation report esr 1159 by international code council icc evaluation services.
Interior and exterior fire retardant lumber helps you improve building safety meet code and get the job done.
Exterior fire x is pressure impregnated aka pressure treated that provides tested fire protection for applications directly exposed to weather or high humidity indoors or outdoors.
Exterior fire x lumber and plywood offers the workability and versatility of wood as well as the fire safety and.
Plywood 1 2 5 8 3 4 4x8 sheathing dimension lumber 2x4 through 2x12 12 and 16 other sizes available on special order.
A durable and leach resistant class a fire retardant frx treatment reduces flame spread and smoke development in exposed structures.
In addition to standard fire retardant their products are non corrosive and are tested for moisture and heat endurance.
Exterior fire x exterior fire retardant treated wood overview.