Cedar Siding Over Asbestos

Covering old asbestos shingles with new siding may seem like an option too but it s not easy to do safely.

Cedar siding over asbestos.

Removing asbestos is often cost prohibitive for most people. Choose a paint that is mold and mildew resistant as well as waterproof. If a siding company removes an outer layer of siding and finds an older layer of asbestos cement siding beneath the standard procedure is simply to cover it over with new siding rather. Let the siding dry then prime and paint with the best exterior latex you can find.

Asbestos shingles are relatively strong but. Most siding companies are well experienced at techniques for covering over existing asbestos cement siding with new vinyl aluminum or fiber cement siding. 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. If the siding cedar or hardboard is in good shape and the substrate is wood it is foolish to remove the old siding.

Do not throw or drop removed asbestos siding. Asbestos was banned in 1989 so as the buildings that incorporated it age their roofing and siding will fall into disrepair. Was the problem that they put new siding over old or that they put new siding over a rotted wall with no drainage plain in between. Painting the asbestos siding will help prevent this from happening.

Guide to siding over asbestos cement siding. Asbestos siding in particular however has a tendency to chip crack and break with normal wear and tear of family life. Asbestos siding though hard can flake over time which will lead to the possibility of you inhaling the asbestos. I ve seen house fires where the vinyl siding burned off only to reveal the superior asbestos shingles underneath which saved the house.

A common remodeling practice is to install new vinyl or aluminum siding over cement asbestos shingle siding as well as over many other older siding materials when the old siding has become damaged leaky or cosmetically ugly. Wrap asbestos siding in 6 mil thick plastic sheeting and secure the plastic with duct tape or place the debris in heavy duty plastic bags. It also eliminates the problem of mold forming when insulation is attached directly to the substrate. If the job had been done right the house would have been a total loss.

This can release fibers into the air. Going over the existing siding adds to the r value by creating an air space between the insulation and old siding. A typical procedure is to install furring strips on the existing wall. Many asbestos roofs and siding are damaged cracked or broken.