untreated foam

Is Closed Cell Spray Foam Fire Retardant?

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Is Closed Cell Spray Foam Fire Retardant? Yes, absolutely. If you put spray foam insulation in a building, it needs a thermal barrier. That’s what separates it from the occupied spaces. If there’s a fire in the building, a thermal barrier keeps the combustible spray foam from the flames to increase fire resistance. Is spray

Is Spray Foam Flammable When Spraying?

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Is Spray Foam Flammable When Spraying? Like many materials found in a home or building, spray foam can ignite and burn if exposed to a sufficient heat source. Foam insulation should be considered combustible and handled accordingly. Is spray foam fireproof? It’s important to know that while spray foam insulation has fire retardants mixed in,