Rockwool Attic Insulation Asbestos

Breathing in asbestos could possibly cause lung restrictive illness and death.

Rockwool attic insulation asbestos.

Asbestos is a fiberous form of silica and traces of material that appear similar to asbestos under. Asbestos is a naturally occurring fiber that is mined. Select your attic insulation application. The material was developed in the 1850s and patented in the u s.

While many forms of insulation manufactured prior to the mid 1980s contain asbestos rock wool does not. 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. Rock wool is a silica based stranded insulation very similar to fiberglass.

And this material also called rock wool or in some texts slag wool insulation remained in popular use in the u s. 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. Homes built after 1960 that contain rockwool insulation most likely do not have asbestos. Vermiculite attic insulation is the main source of concern with asbestos dangers although asbestos is not in every brand.

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. Since mineral wool is a man made fiber it does not contain asbestos. Rock wool manufacturing company incorporated asbestos into mineral wool boards and insulation cement products that were used to help secure pipe insulation. Rock wool is another name for mineral wool insulation.

Older forms of rockwool insulation are composed of fiberglass mineral wool and could contain asbestos. Loose fill insulation comes in a variety of materials. The newer forms of rockwool pose little risk of breathing it in. 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.

Mineral wool insulation developed in the 1850 s patented in 1875 in the u s.