Safety Of Blown Insulation Attic Roof

Attic insulation protects the area from freezing temperatures but we recommend insulating plumbing lines too.

Safety of blown insulation attic roof.

If you think you re among the 90 of us homes that are under insulated 1 performing a simple insulation inspection will help you determine your insulation needs. Blown in cellulose has a higher r rating and is less expensive than either blown insulation like fiberglass attic insulation or fiberglass batts. Building air tightness would now preside at the top of the building enclosure at the roof deck and attic walls gables. Spray foam insulation is a type of insulation that is sprayed in place through a gun spray foam insulation can be blown into walls onto concrete slabs on attic surfaces or under floors to insulate and reduce air leakage spray foam can fill even the smallest cavities creating an effective air barrier.

Unless you re using mineral wool insulation or your fixtures are rated safe for contact with any type of insulation don t allow the material to touch or cover recessed cans or lights from the floor below it s a fire hazard. With a more complete layer of insulation throughout your attic you ll experience lower energy costs and more effective heating cooling compared to simple batts installations. Spray foam offers the best attic insulation performance available. Having the correct amount of attic insulation can help you maintain a comfortable temperature throughout your home and help save money on your energy bills plus prevent major issues like ice dams in the winter.

Closed cell and open cell aka 2 pound and pound respectively. Foam usually expands up to 30 60 times its liquid volume after it. When blown into attics and wall spaces loose fill fiberglass offers an average r 2 5 thermal value per inch the higher the number the greater the insulating effect. Look for water stains on the roof sheathing or damp or moldy spots on attic joists and existing insulation as a clue to where leaks might be.

Verify that installation area is free of. Cellulose blown in ceiling insulation is a good choice for diyers. When installed properly both types of insulation fill all of the nooks and crannies in a space and. Because blown insulation comes out as chunks of cellulose or fiberglass it does a better job of filling every crevice of the attic.

Choose from two types. Blown in cellulose is an environmentally friendly material made from recycled newspaper so it s easier on your skin and lungs. You d need a thickness of. Active water leaks fuel leaks i e gas oil propane and pest intrusions.

They sport insulation values of approximately r 6 5 and r 3 6 per inch respectively. Box out light fixtures.