Cut Hole In Asbestos Siding

Mark the cut line with a pencil and straightedge.

Cut hole in asbestos siding.

For a hole cutter the minimum to get is a carbide tipped hole saw and best for lots of holes are the hole cutters with tungsten carbide teeth. I know that this stuff is supposed to be safe as long as it s not crumbling but at some point i might want to make holes in it to add a kitchen or bathroom vent or maybe even add a window. The house was built in the 1920s but i have no idea how old the siding is. Smooth off jagged edges with a sharp carpenter s rasp to keep asbestos particle sizes as large as possible.

Asbestos siding as it is on a house is perfectly safe. Cutting asbestos shingles is a no no because it s so hazardous. Cut asbestos cement corrugated roofing material with a pair of heavy dolphin nosed tin snips. If you absolutely have to cut it do not use power tools.

Use a dry masonry blade in your circular saw the abrasive kind used to cut brick block. But here s how you do it. Wet the surface down and use the tin snips to cut and break off small sections at a time. The outside is covered with asbestos siding.