Rockwool Attic Insulation Asbestos

Loose fill insulation comes in a variety of materials.

Rockwool attic insulation asbestos.

Rock wool is a silica based stranded insulation very similar to fiberglass. I ve read about mineral wool asbestos and resins mixed together to manufacture a couple specific industrial insulating products but it s not likely the kind of stuff used for residential insulation. Vermiculite insulation alone is not dangerous being a pellet style mineral which expands with higher temperatures. Older forms of rockwool insulation are composed of fiberglass mineral wool and could contain asbestos.

Homes built after 1960 that contain rockwool insulation most likely do not have asbestos. Up to the 1950 s and is still in use today 2008 in some new construction in manufactured housing and in special applications such as the insulation. The newer forms of rockwool pose little risk of breathing it in. Since mineral wool is a man made fiber it does not contain asbestos.

Breathing in asbestos could possibly cause lung restrictive illness and death. Vermiculite attic insulation is the main source of concern with asbestos dangers although asbestos is not in every brand. This is in part because it is a man made material that is quite dense and. The types of insulation that were most commonly made with asbestos are loose fill also called blown in insulation.

Mineral wool insulation developed in the 1850 s patented in 1875 in the u s. Use rockwool thermal stone wool insulation to insulate the attic of a new build extension or to increase the r value and top up the current attic insulation especially in an older home. Asbestos is a fiberous form of silica and traces of material that appear similar to asbestos under. Rock wool s history with asbestos.

Rock wool is another name for mineral wool insulation. Asbestos is a naturally occurring fiber that is mined. If your attic or wall insulation is in batt or blanket form whether it s fiberglass cellulose or another material you generally don t have to be concerned about asbestos. Rock wool manufacturing company incorporated asbestos into mineral wool boards and insulation cement products that were used to help secure pipe insulation.

Select your attic insulation application.