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 Does Spray Foam Insulation Off-Gas Poisonous Fumes?

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Registration date : 2011-02-01

PostSubject: Does Spray Foam Insulation Off-Gas Poisonous Fumes?   Wed Nov 09, 2016 7:11 pm

Spray-foam insulation has become a weapon of choice for many builders and homeowners trying to build tight, energy efficient houses. And with its long list of attributes, that's no wonder. It fills tiny cracks and fissures in walls and roofs to form an effective air seal. The high R-values of closed-cell foam pack a lot of punch in a small space, and closed-cell versions can block the movement of moisture into wall and roof cavities. Expensive as it may be, it's at the top of its class.Polyurethane foam is a two-part compound mixed at the job site as it's sprayed from a high-pressure gun. Although some of its ingredients are nasty at the time of application, when it cures the foam becomes an inert material that should not off-gas any harmful chemicals. That, at least, is our common understanding and the word from manufacturers and installers.The many performance benefits of spray-in polyurethane foam no doubt will continue to make it popular, particularly as the cost of energy goes up.


2320 Tedlo St., Unit 6
Mississauga, ON
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416.855.3626 (FOAM)

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