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At what point in the construction of my house should spray polyurethane foam insulation be applied?

April 26, 2017applied Construction foam House insulation point polyurethane spray

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At what point in the construction of my house should spray polyurethane foam insulation be applied?

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Normally spray polyurethane foam insulation is installed at the same point in the construction cycle as other types of insulation. That is, it should be installed after the rough plumbing, electrical wiring, and heating and air conditioning ducts have been installed. If you decide to seal the entire exterior house shell with spray polyurethane foam, spray insulation may need to be applied in some areas before the ductwork is installed.