Cement board rated at 0 and untreated select red oak flooring rated at 100.
Fire rated plywood for electrical panel.
In the tunnel test a gas jet is located near one end of the tunnel.
Flamepro frtw wood has been tested for fire performance by several independent laboratories and meets model code requirements for a class a class 1 fire retardant.
This product has a 2 week lead time.
These fire rated backboards should be your first and most important investment for mounting components in telecom datacom rooms to preserve and maintain the structure s fire rating.
The index is determined by relative performance in a 25 foot long fire test tunnel furnace under controlled conditions of draft and temperature.
Without a test specimen present in the tunnel.
Thank you for your comment i have mounted the panel thru the sides with existing holes and some that we re there already but do i hae to have something on the back of the panel i thought of putting metal tape to cover the holes in the back of it then fire proof foam it or fiberglass it for insulation.
A fire retardant treated backboard will be designated with a fire rated stamp branded or stamped along the edge or center of the plywood ul fr s plywood 1780 r 7003 marine grade plywood does not qualify even though it is saline treated as it will have a different ul number.
Constructed of 3 4 ac grade plywood and ready for indoor or outdoor use.
The product is decay and termite resistant.
This plywood has been grade stamped and third party inspected to ensure quality.
This fire retardant plywood is classified as a type a fire retardant product.