Asbestos Asphalt Shingle Siding

It s easy to install after properly removing the old siding simply nail the weatherside siding in place and paint.

Asbestos asphalt shingle siding.

Manufactured from a mix of asbestos fibers and hydraulic cement asbestos cement roof shingles were rigid durable and fireproof. Because of its fire resistant properties asbestos was common in many home materials including roofing shingles. You can t drive screws and nails through them without pre drilling. Asbestos shingles are relatively strong but brittle.

Shingles placed on a roof before the mid 1980s might contain asbestos. Asphalt or cement roofing and siding that contain asbestos when intact and in good condition are generally considered nonfriable and are not hazardous. However asbestos fibers can cause serious lung and respiratory problems if inhaled. The building shown at left located in hughsonville ny using the thatch edged shingle siding style is almost certainly sided with asbestos cement shingles.

Some asphalt siding may contain asbestos in the asphalt impregnated felt backer or asbestos may also be in the asphalt impregnated paper tar paper or felt used as a house wrap under the siding. Let the siding dry then prime and paint with the best exterior latex you can find. Covering old asbestos shingles with new siding may seem like an option too but it s not easy to do safely. Asphalt based roof shingle material on an organic paper mat or asphalt on hardboard siding products were later supplanted by cement asbestos siding shingles then aluminum siding and steel siding then currently by vinyl siding.

Asbestos cement siding is very brittle and can be easily chipped cracked or broken. The national emissions standards for hazardous air pollutants neshap identifies several asphalt containing roofing products that may also contain asbestos including. Nonfriable means they cannot be broken up by hand pressure. It is very difficult to remove spray paint graffiti without also dissolving or discoloring some of the siding surface coating material itself.

They would not warp or rot and were resistant to damage caused by insects. Unlike some of the original siding shingles that it replaces weatherside pre primed siding shingles contain no asbestos. Weatherside is even resistant to warping denting rotting expansion contraction and termite infiltration. Paper like vapor barriers can present more of a hazard since they are considered friable.

The use of a pressure washer for maintenance can crack the siding and lead to moisture intrusion if the pressure setting is high enough.