Safest Kind Of Attic Insulation

Its r value of 5 to 6 per inch of.

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. It also comes in batt and blanket forms. The best hands down is closed cell foam which has a higher r value per inch air seals and prevents moisture transfer. It s generally 3 to 4 times what you ll pay for blown cellulose or fiberglass.

Cellulose insulation is a perfectly safe type of insulation that is commonly blown into attics. This is the only product that can be used where moisture might be an issue. I d blow insulation on the attic floor after air sealing of course. By scott gibson april 11 2016.

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. Cork is the healthiest insulation lloyd alter a new report from the nrdc has some surprises. Blown in cellulose is an excellent option for an attic because it will fill all the joist spaces completely with very few air gaps. This type of insulation.

If you don t have hvac and ducts in the attic spray foam on the roofline isn t really necessary. The big disadvantage with spray foam is cost. Insulation is a touchy subject in green building. As an insulator it provides ample heat resistance.

Use hardware cloth metal flashing or scrap plywood to create a safety gap of at least 3 inches all around fixtures. Many designers just want the best r value and. It is also very easy to install a higher thickness for greater r value. Blanket insulation is available as batts or rolls and is the easiest diy insulation material.

Loose cellulose is made of 85 percent recycled material mostly ground up newspaper. Handy homeowners can install blown in insulation in the attic. Finding insulation that s safe having a child with chemical sensitivities complicates the search for the right insulation and the right insulation contractor. With that said moisture should not be an issue in either of those places assuming everything else was done properly.