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Can Spray Foam Insulation be sprayed directly on a clean and dry ductwork? Is taping of ductwork joints required?

April 26, 2017clean directly dry ductwork foam insulation joints spray sprayed taping

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Can Spray Foam Insulation be sprayed directly on a clean and dry ductwork? Is taping of ductwork joints required?

1 Answer

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Spray Foam Insulation can be sprayed directly on a clean and dry ductwork if the service temperature is less than 180F. Taping is not required because the air leakage through Spray Foam Insulation is very negligible.