Is Foam Insulation Flammable

However it s important to note that different manufacturers of spray foam insulation offer different levels of flammability.

Is foam insulation flammable.

But in addition to being flammable this kind of spray foam has chemical properties that when produces smoke which can render occupants of a house unconscious and even lead to temporary blindness. Rigid polyurethane and polyisocyanurate foams will when ignited burn rapidly and produce intense heat dense smoke and gases which are irritating flammable and or. When asking yourself is spray foam flammable the answer for this type is a resounding yes. Of course there are several other aspects that are more of a concern when deciding the correct insulation such as.

The spray foam insulation produces a flashover in 44 seconds a supersonic jet in fire acceleration by thermal insulation. As described by a 1989 osha technical memorandum. Touch n foam 2 component spray foam expands and touch n foam 2 component spray foam expands and cures quickly to fill cavities gaps cracks expansion joints and other sources of air leakage in a building envelope. According to the international building code all foam plastic materials not just spray foam but styrofoam sound proofing foams extruded polystyrene foam boards etc must be considered flammable no matter what any salesman tries to tell you.

Radiant barrier insulation is perhaps the most uncommon way you can insulate your home. Resists moisture that can lead to mold or mildew and provides increased sound and thermal insulation. Is the spray foam insulation flammable. Its ability to revoke air leakage.

And of course affordability however surprisingly the flammability of an insulation is overlooked. No matter what a salesperson may try to tell or sell you all foam plastic materials must be considered flammable in accordance to the international building code. Martin holladay staycell one step 255 manuactured by preferred solutions is a spray foam that has passed fire safety tests demonstrating that the foam resists ignition even when it isn t covered by an ignition barrier or a thermal barrier. It s great at sealing up even the smallest cracks and preventing moisture.

However it is flammable according to the international building code in fact all foam plastic materials are flammable. Whether it is enclosed or not. Its ability as soundproofing spray foam. When insulating above a ceiling with non ic rated recessed lighting the least flammable material to use is rock wool also called mineral wool or slag wool.