If the loose fill insulation is grey puffy and fibrous then that is rock wool insulation.
Is old grey attic insulation dangerious.
Vermiculite insulation alone is not dangerous being a pellet style mineral which expands with higher temperatures.
Types of dangerous old insulation.
How to replace it.
Don t store anything in attics insulated with vermiculite and make the area is off limits.
Make sure any area containing vermiculite insulation is sealed off from the interior of your home.
Vermiculite attic insulation is the main source of concern with asbestos dangers although asbestos is not in every brand.
The major attic insulation dangers from this type of material would come from combustion.
In addition to building insulation vermiculite is commonly used with.
Most people are aware of the dangers of asbestos which may cause cancer and other health problems.
Use caulk or spray foam around seams light fixtures fans and switches as well as plumbing pipes or.
Vermiculite insulation granules keep out of contaminated areas.
Now that we know the old attic insulation types on the market the question is whether there is a newer more modern alternative available.
Although some homeowners have used it in this way it was never approved for use in the attic.
In case of a fire it gives off an extremely toxic smoke that is more dangerous than regular smoke.
Read on to learn more about whether your attic insulation contains asbestos.
Seal off vermiculite insulation.
Formaldehyde off gasing is a concern so this product is no longer on the market.
In older homes specifically asbestos may be found in many different materials from pipe insulation to flooring adhesive to roof shingles.
But just because your insulation is old doesn t mean it is dangerous.
Blown insulation or blown in insulation is a technique used to insulate odd shaped and hard to reach crevices and cavities.
Even old newspaper insulation will still keep much of its thermal properties so unless you need to remove the insulation for other reasons it isn t worth taking the insulation out for efficiency reasons alone.
Although most people are aware of the dangers of asbestos there are a few more types of hazardous insulation that are commonly found in older homes.
You may also find thousands upon thousands of loose particles beneath the floorboards of your attic and inside walls.
Cellulose rock wool and fiberglass are common blown in insulating materials that are blown in by specialized blowers or machines to fill up a designated area typically walls and floors.
The primary sources of asbestos danger include vermiculite attic insulation.
A few more examples of old insulation are sawdust balsa wood shredded newspaper and loose fill cellulose.
All of those can be a dangerous risk.
