Does old asphalt building siding contain asbestos reader question.
Does hardboard siding contain asbestos.
All of these products use some sort of fiber along with cement.
There is no legal requirement to do so nor is there significant real estate benefit.
It is not likely that your hardboard masonite type board that was painted over in oil or acrylic contains asbestos hardboard is a wood or cellulose product.
I was just wondering if the brick looking asphalt siding ever contained any asbestos or hazardous material.
These materials are known as fiber cement siding and they contain no asbestos.
Most homes built after the 1980s no longer use siding that contains asbestos because of its obvious health risks.
Before 1978 in the u s.
As we note at hdf high density fiberboard synonyms or equal product names besides masonite include hernit karlit quartrboard treetex torex and pressboard.
Cementitious siding installed after 1973 is very unlikely to contain asbestos.
Asbestos cements and cementious products including some cement pipes contained asbestos fibers as a strengthening material.
Manufacturers use asbestos in fiber cement siding although some of the earlier versions of fiber cement siding did indeed have some asbestos particles blended in fiber cement was actually designed to replace the asbestos siding products to create a safer environment for the installers and the home s residents.
Although homes built after the 1980s are generally safe some newer builds may also have asbestos lurking in the siding.
Some gypsum board and plaster board products indeed contain asbestos as does some joint compound.
Asbestos cement roof ing is described just below and cement wallboard and cement siding containing asbestos are described later in this document.
I need to remove some of this product but will use a knife to cut it into pieces and bag it appropriately.
Indeed some gypsum based drywall products did contain asbestos into the 1980 s.
I have not however tested nor seen test results specifically for exterior wall sheathing using that material.
The siding may also contain asbestos if it is old with a wood grain texture to resemble cedar.
These shingles are generally 12 by 24 inches and the bottom tends to have a wave like pattern though that is not always the case.
Your opinion would be greatly appreciated.
Siding materials that use fibers and aggregate other than asbestos are properly called fiber cement building siding products.
Some manufacturers use the term fiber reinforced cement for these products.
The common reinforcing fiber used was asbestos.
