Asbestos Siding Insulation

The types of insulation that were most commonly made with asbestos are loose fill also called blown in insulation.

Asbestos siding insulation.

Asbestos ranks high on the list of dangerous substances because of its toxic and carcinogenic properties when airborne. Loose fill insulation comes in a variety of materials. Many houses still have asbestos siding on their exteriors. This type of siding should to be painted every 5 to 7 years so it s not a maintenance free material like vinyl siding.

Asbestos cement was first developed in 1905 by the johns manville company who became one of the premier manufacturers of cement asbestos materials. Removing asbestos is often cost prohibitive for most people. The portland cement binds asbestos fibers into a hard mass. A brief history of asbestos cement siding.

Asbestos is a mineral fiber that in the past was used as a flame retardant strengthening agent that provided heat insulation. 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. Applying a layer of sheathing or sheets of foam insulation over the asbestos then covering it with vinyl siding is a common practice. But be sure to check your local building codes first to see if it is allowed in your area.

If you suspect that your siding may contain asbestos there is no need for alarm. æ s ˈ b ɛ s t ə s or æ s ˈ b ɛ s t ɒ s is a term used to refer to six naturally occurring silicate minerals all are composed of long and thin fibrous crystals each fibre being composed of many microscopic fibrils that can be released into the atmosphere by abrasion and other processes. The average cost for asbestos removal is 20 to 65 per square foot with most homeowners spending between 1 212 and 2 821 complete whole home abatement for siding tile insulation ceilings attic roof and pipes can run anywhere from 15 000 to 48 000 setup and sealing off the area makes up about 60 of your final cost. Asbestos siding was very popular product back in the 1950s and 1960s.

Asbestos is an excellent electrical insulator and is highly heat. While older homes will likely contain asbestos in roofing insulation and tiles it can also be present in exterior siding. Asbestos siding is very fragile in nature. Alternatively if you leave the asbestos on your home you can safely seal the old siding underneath the new siding and because asbestos is an excellent insulator you will actually be adding to the energy efficiency of your home by leaving it on.

Asbestos cement is a mixture of portland cement reinforced with asbestos fibers.