Products are largely made of newspaper which is highly combustible.
Fire hazards of spray foam insulation.
They require no additional fire.
Fire risks not limited to spray foam insulation spray foam is only one of a number of building products and methods which increase the risk of catastrophic fire loss.
Instances of fires associated with this insulation have been documented demonstrating the need for better understanding of the fire hazard of this type of material.
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.
Even though it s heavily treated with.
Materials are noncombustible and remain so for the life of the product.
A builder firefighter s thoughts on fire issues in residential construction and remodeling.
Rigid polyurethane and polyisocyanurate foams will when ignited burn rapidly and produce intense heat dense smoke and gases which are irritating flammable and or toxic.
Fiberglass and mineral wool insulation.
According to the epa.