Danger Of White Loose Fill Insulation In Attic

If the insulation is wool like and gray it may be loose fill rockwool.

Danger of white loose fill insulation in attic.

Loss of insulating value. Saturated insulation typically loses at least 40 of its insulating r value. The most common type that homeowners will encounter is called loose fill cellulose insulation. This is slightly different from another type of cellulose insulation which is designed to be blown onto open walls much like spray foam.

Wet insulation no longer performs its primary function of inhibiting heat transfer. People have the greatest risk of developing an illness such as asbestosis or malignant mesothelioma when they are exposed to asbestos dust on a regular basis over many years and any activity that disturbs zonolite can potentially release microscopic asbestos fibers into the air. I asked the seller about it since it was installed 2 years back and the paperwork he had just said r 30 loose fill and it was 10 thick appearing to be r 3 per inch. If it is white however it may be a newer product.

The two most common types of insulation fiberglass batts and blown in cellulose loose fill are vulnerable to attic water damage in two specific ways. If your loose fill insulation fits the visual cues for vermiculite the first thing to do is to avoid disturbing it. If the insulation is in batt form there is nothing to worry about it is loose fill insulation poured loosely into wall stud cavities or joists that are problematical. If the insulation is not properly sealed off it can get into air vents and circulate through the building.

The three most common types of blown in insulation are loose fill fiberglass cellulose and rock wool each with its own pros and cons. Some studies suggest tremolite could be 10 times more dangerous than the white asbestos used by most manufacturers. Older types of insulation include loose fill or batt fiberglass which can be pink yellow or white. You may also find thousands upon thousands of loose particles beneath the floorboards of your attic and inside walls.

There are three types of blown in insulation. All of those can be a dangerous risk. Asbestos fibers are most dangerous when they are airborne and can be breathed in. While this type is often still used older insulation may be discolored or torn and is therefore less effective.

Homeowners can also come across fiberglass insulation during repairing or clearing out the attic. Fiberglass insulation is not generally considered to be dangerous but it can irritate the skin and respiratory system. This is how i did my entire attic without a helper or blow in machine. It isn t itchy like loose fill fiberglass but appears to be a bit lighter weight and easier to move around.