Spray Foam Insulation Between Roof Rafters

Similar to loose fill though this is a liquid that when applied becomes a durable layer of foam insulation.

Spray foam insulation between roof rafters.

The best attic insulation. Closed cell and open cell. But spray foam insulation used at the underside of the roof deck would need to be covered by a thermal barrier and intumescent coatings are commonly used. Rigid foam and spray foam are two of them.

Your new warm roof system prevents heat that you generate during the winter from escaping from your home creating a single ambient environment. Polyurethane or polystyrene spray foams can provide thorough coverage to roof rafters and attic walls in much less time than is needed for other materials. All insulation materials require proper venting. Get your kits the easy to use spray foam kit.

It can be fairly messy so benefits from having experienced crew do the installation. Spray foam can be used in many applications around the home but is most commonly used as an insulation product either on the rafters of your roof or inside your interior and exterior walls. There are two main types of spray foam insulation. The movement of air into indirect conditioning of an unvented attic is a slow gradual process that will not be noticeable by occupants and typically will not put any strain on the hvac system.

Not long ago someone even told me that in florida roofing companies won t let their workers go up on roofs with open cell spray foam because the roofs are so spongy the guys fall right through. A vent baffle should be installed between the insulation and the roof decking to maintain the ventilation channel. It rots roofs people have told me. R value of 7 in 1 inch 97 closed cell foam.

You can also add rigid foam insulation under the rafters which adds r value and eliminates thermal bridging through wood rafters. Use closed cell foam it green for attic rafters. Murmurs and hearsay about open cell spray foam insulation have been gaining traction for a while. Spray foam insulation that s convenient and easy to use.

Consider using high density r 30 batts which are as thick as r 25 batts but fit into 2x10 framing. Class i e 84 fire retardant meets building code spec. Two material options called open and closed cell where closed cell is more dense greater r value and much more expensive. Cathedral roofs especially need a lot more insulation between the ceiling and the rafters because there usually isn t any attic space.

We install thermofoam our high performance spray foam insulation between the rafters of your roof to provide an airtight thermal seal of your home.