You may also find thousands of loose particles within walls or under attic flooring.
Rockwool attic insulation asbestos.
If you re insulation is the batt style insulation as the loose fill insulation has the higher risk as it s loosely poured into wall or joist cavities.
It remained prominent in construction through the 1950s.
However there are loose fill wall and attic insulation which can contain asbestos.
It s old dirty and fibrous and the inspector told him that it should be tested for asbestos fibers.
Rock wool is a silica based stranded insulation very similar to fiberglass.
There is one primary source of asbestos attic insulation.
Normally mineral wool or rock wool slag wool or stone wool insulation does not contain asbestos but there are exceptions it would be unusual for a residential home to have rock wool insulation containing asbestos to know with absolute certainty i d have a sample of the insulation tested.
A home inspector pointed out that the insulation behind the upstairs knee walls is called something wool.
Loose fill insulation comes in a variety of materials.
Asbestos is a fiberous form of silica and traces of material that appear similar to asbestos under.
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 is another name for mineral wool insulation.
Rock wool manufacturing company incorporated asbestos into mineral wool boards and insulation cement products that were used to help secure pipe insulation.
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.
Select your attic insulation application.
Asbestos while many forms of insulation manufactured prior to the mid 1980s contain asbestos rock wool does not.
Mineral wool insulation rock wool is made from mineral fibers manufactured from stone and waste from mining.
The types of insulation that were most commonly made with asbestos are loose fill also called blown in insulation.