Do not store belongings in the attic.
Vermiculite insulation in attics and walls.
From 1919 to 1990.
Concerns about asbestos contaminated vermiculite insulation.
Unfortunately almost all vermiculite insulation contains asbestos and is unsafe when disturbed.
The expanded vermiculite is a light weight fire resistant and odorless material and has been used in numerous products including insulation for attics and walls.
It could be purchased locally and could be installed by contractor or homeowner.
If the attic or walls of a house contain vermiculite insulation leave it alone.
More than 70 of u s.
So if you have vermiculite insulation look into this.
Vermiculite came from a single mine near libby montana.
Asbestos contamination vermiculite forms over millions of years due to weathering of the mineral biotite.
This board is often found sandwiched between other.
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.
Do not sweep it or vacuum it up.
What does asbestos insulation look like in walls and attics.
In this form vermiculite is a lightweight odorless and fire resistant material that has been used in numerous applications such as insulation for attics and walls.
Vermiculite itself has not been shown to be a health problem.
Vermiculite insulation was sold in the u s.
Sizes of vermiculite products range from very fine particles to large coarse pieces nearly an inch long.
That s good news because most zonolite a type of vermiculite insulation falls into that category.
The zonolite attic insulation trust was established in 2014 to help homeowners with the cost of removing zonolite attic insulation from their homes.
Insulation board containing asbestos has been used in walls and ceilings as well as soffits fascia and other parts of many homes and structures.
The epa says that vermiculite insulation which is the pebbly stuff found in attics of many older homes is only risky if it contains more than one percent asbestos.
However some vermiculite insulation contained asbestos fibres which can cause problems if inhaled.
Addressing attics with vermiculite is a particular challenge for weatherization agencies.
The types of insulation that were most commonly made with asbestos are loose fill also called blown in insulation.
Vermiculite was a common attic insulation product sold from the late 1920s to the early 1990s.
As long as this kind of vermiculite based insulation remains undisturbed behind intact walls or in attic spaces and does not become airborne it should not be a concern.
The trust reimburses homeowners for 55 percent of their removal and reinsulation costs with a maximum payout per owner of 4 125.
Where does it come from.
Asbestos wall insulation can be found in various forms.
