Safest Kind Of Attic Insulation

It is also very easy to install a higher thickness for greater r value.

Safest kind of attic insulation.

Blowing insulation into walls is best left to the pros because it involves drilling into stud spaces that may contain electrical. Blanket insulation is available as batts or rolls and is the easiest diy insulation material. Cellulose insulation is a perfectly safe type of insulation that is commonly blown into attics. Blown in cellulose is an excellent option for an attic because it will fill all the joist spaces completely with very few air gaps.

Many designers just want the best r value and. Insulation is a touchy subject in green building. Polyurethane foam polyurethane a durable polymer with numerous uses is made into a foam for home insulation. Loose cellulose is made of 85 percent recycled material mostly ground up newspaper.

The big disadvantage with spray foam is cost. By scott gibson april 11 2016. This type of insulation. As an insulator it provides ample heat resistance.

It s generally 3 to 4 times what you ll pay for blown cellulose or fiberglass. Cork is the healthiest insulation lloyd alter a new report from the nrdc has some surprises. 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. Finding insulation that s safe having a child with chemical sensitivities complicates the search for the right insulation and the right insulation contractor.

Its r value of 5 to 6 per inch of. I d blow insulation on the attic floor after air sealing of course. If you don t have hvac and ducts in the attic spray foam on the roofline isn t really necessary. This is the only product that can be used where moisture might be an issue.

It also comes in batt and blanket forms. Handy homeowners can install blown in insulation in the attic. Use hardware cloth metal flashing or scrap plywood to create a safety gap of at least 3 inches all around fixtures. The best hands down is closed cell foam which has a higher r value per inch air seals and prevents moisture transfer.