How To Safely Cut Asbestos Siding

If siding should begin to crack or crumble immediately wet the cracked or broken areas with the pint size spray bottle or garden pump sprayer.

How to safely cut asbestos siding.

Cut a 45 degree bevel onto the edge joint of asbestos cement siding with a large carpenter s rasp. Asbestos dust which is what would be created by sawing it is the dangerous part. Covering old asbestos shingles with new siding may seem like an option too but it s not easy to do safely. If you absolutely have to cut it do not use power tools.

Let the siding dry then prime and paint with the best exterior latex you can find. The newer siding will not cut this way with out breaking. If necessary carefully lift siding pieces with pry tool to expose nail heads. Wet the siding and start your cutting.

Use slow deliberate strokes to keep dust down. Asbestos siding as it is on a house is perfectly safe. Have a helper move a running hose to follow the rasp while cutting. Use a hand saw with a water stream and wear a good quality dust mask.

The old style siding could be cut with a knife as the above poster stated make your score and lay on bench with the score on the edge of the bench and pop the shingle to snap it. Asbestos shingles are relatively strong but brittle. Use slow deliberate strokes with the saw under water trickling from a hose pipe. Lead paint wasn t outlawed until 1978 so it s sure to be present on siding going back to the 1950s.

Have a helper move a running hose to follow the rasp while cutting. Breakage releases asbestos fibers. 4 1 2 diamond blade in a grinder.