Does Masonite Siding Have Asbestos In It

See photos at asbestos siding in this document.

Does masonite siding have asbestos in it.

It helps in protecting a structure from damage caused by weather and other external factors. 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. The asbestos siding i ve always seen never had a straight edge bottom but wouldn t you know there on the internet is a photo of some. They used masonite on the small barn over shiplap siding idiots.

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. But this stuff was somewhat removed to put on the entryway which i was told was done way before the former owner ever moved in. However if not properly maintained it will deteriorate. I don t think it is even available today is it.

No it is not the same as asbestos and does not contain asbestos. Indeed some gypsum based drywall products did contain asbestos into the 1980 s. Some gypsum board and plaster board products indeed contain asbestos as does some joint compound. I would never recommend masonite for external siding use.

If you suspect that your siding may contain asbestos there is no need for alarm. As we note at hdf high density fiberboard synonyms or equal product names besides masonite include hernit karlit quartrboard treetex torex and pressboard. I have not however tested nor seen test results specifically for exterior wall sheathing using that material. Here s a look at some of the common problems arising in masonite sidings and the ways to fix them.

Asbestos ranks high on the list of dangerous substances because of its toxic and carcinogenic properties when airborne. And see asbestos cement siding for details about cement asbestos building siding its repair removal demolition or cover over. The siding may also contain asbestos if it is old with a wood grain texture to resemble cedar. Anon81752 may 3 2010.

While older homes will likely contain asbestos in roofing insulation and tiles it can also be present in exterior siding. Masonite siding is extensively used in constructions.