Roof With Ridge Vents Is Getting Spay Foam Insulation

Actually you should probably get rid of power attic ventilators whether or not you re sealing the attic but that s another article.

Roof with ridge vents is getting spay foam insulation.

Roof vents are great for allowing air to move and for removing toxic odours from the home. Learn how the need for roof vents are determined. The point i m making here is that a sealed attic should be well all sealed up. Rigid foam and spray foam are two of them.

You re looking to insulate your attic and are wondering if you need roof vents with spray foam insulation. Cathedral roofs especially need a lot more insulation between the ceiling and the rafters because there usually isn t any attic space. Spray polyurethane foam is a chemical product that is created by two materials isocyanate and polyol resin that will react with each other when they are mixed and will expand up to 30 to 60 times its liquid volume as it is sprayed in place. This alternative to traditional building insulation fiberglass can be applied into wall cavities holes concrete slabs and even onto roof tiles and.

All insulation materials require proper venting. Heat from the house rises up to the attic but when there isn t one the heat rises up to the roof. However many people think that roof vents cannot be used in conjunction with spray foam insulation.