Roof With Ridge Vents Is Getting Spay Foam Insulation

Learn how the need for roof vents are determined.

Roof with ridge vents is getting spay foam insulation.

One of the biggest benefits of using spray foam is to get greater airtightness. The good news is that they really do work together but once again expert application is required to avoid any costly mistakes. 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. Heat from the house rises up to the attic but when there isn t one the heat rises up to the roof.

Rigid foam and spray foam are two of them. The point i m making here is that a sealed attic should be well all sealed up. You re looking to insulate your attic and are wondering if you need roof vents with spray 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.

This alternative to traditional building insulation fiberglass can be applied into wall cavities holes concrete slabs and even onto roof tiles and. Roof vents are great for allowing air to move and for removing toxic odours from the home. That means you get rid of all attic ventilation whether it s passive ridge gable soffit vents or active fans.