Cut Hole In Asbestos Siding

Cut asbestos cement corrugated roofing material with a pair of heavy dolphin nosed tin snips.

Cut hole in asbestos siding.

Smooth off jagged edges with a sharp carpenter s rasp to keep asbestos particle sizes as large as possible. If you absolutely have to cut it do not use power tools. Mark the cut line with a pencil and straightedge. Asbestos siding as it is on a house is perfectly safe.

But here s how you do it. Note however that if either thermal system insulation tsi or asbestos containing surfacing materials are subject to disturbance by any drilling cutting abrading sanding chipping breaking or sawing then the additional engineering control of isolating the class iii work area is always required per 1926 1101 g 9 iii. Asbestos dust which is what would be created by sawing it is the dangerous part. Cutting asbestos shingles is a no no because it s so hazardous.

Use a dry masonry blade in your circular saw the abrasive kind used to cut brick block. Wet the surface down and use the tin snips to cut and break off small sections at a time. 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.