Best Type Of Blown In Insulation
5 r value expanded polystyrene.
Best type of blown in insulation. 1 05 to 3 7 r value. We offer our review of the three most popular types of attic insulation with a look at each one s pros and cons. Understanding insulation your options for attic insulation range from radiant barriers to sheets of mineral wool but most homeowners stick with products made from cellulose or fiberglass. What is the best insulation.
For eco minded homeowners cellulose is often the insulation of choice because it s made from finely. 6 25 r value extruded polystyrene. Blown in insulation is applied using a machine that blows a paper like material into the space to be insulated. Greenfiber blow in cellulose insulation fills gaps and voids to create an energy saving thermal blanket that can lower heating and cooling costs by 25 and reduce sound power by 60.
These are large pieces of insulation that hold together because they re made of long interweaving fibers with. The most common type that homeowners will encounter is called loose fill cellulose insulation. This is slightly different from another type of cellulose insulation which is designed to be blown onto open walls much like spray foam. There are three types of blown in insulation.
Blown in spray foam batts and blankets. Loose fill insulation can be installed in either enclosed cavities such as walls or unenclosed spaces such as attics. A better choice is insulation that comes in smaller chunks. This light as air insulation is manufactured from glass that is heated to a liquid and then spun.
In this second type moisture introduced into the spray helps the cellulose stick to the wall. Fire resistant treated insulation is made with 85 recycled material that meets a class 1 fire rating to protect your home and give you more time to evacuate. Radiant barrier insulation is the best choice for many homeowners. The installer taking his best firefighter pose.
4 r value rigid fibreglass. Cellulose is the oldest insulation material used for not only the attic but other areas of the home as well. Cellulose can be either a loose fill or blown in material and is primarily made of recycled newsprint or denim. This space age material reflects the sun s rays and decreases the heat transfer in your attic considerably.
4 r value fibreglass rock wool batt. 3 14 4 3 r value cellulose blown. The third major type of insulation is spray. Cellulose fiberglass and rock wool are typically blown in by experienced installers skilled at achieving the correct density and r values.
This is especially helpful in between the roof deck and the floor of the attic.