Roof With Ridge Vents Is Getting Spay Foam Insulation

This alternative to traditional building insulation fiberglass can be applied into wall cavities holes concrete slabs and even onto roof tiles and.

Roof with ridge vents is getting spay foam insulation.

The point i m making here is that a sealed attic should be well all sealed up. However many people think that roof vents cannot be used in conjunction 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. Actually you should probably get rid of power attic ventilators whether or not you re sealing the attic but that s another article.

Roof vents are great for allowing air to move and for removing toxic odours from the home. One of the biggest benefits of using spray foam is to get greater airtightness. 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. The good news is that they really do work together but once again expert application is required to avoid any costly mistakes.

Heat from the house rises up to the attic but when there isn t one the heat rises up to the roof. All insulation materials require proper venting. Learn how the need for roof vents are determined.