Mark the line to be cut on asbestos cement sheeting using a pencil and straightedge.
Best way to cut asbestos siding.
Use a dry masonry blade in your circular saw the abrasive kind used to cut brick block.
Cut a 45 degree bevel onto the edge joint of asbestos cement siding with a large carpenter s rasp.
The best way is the way that creates the last dust.
Saw through a cut line in asbestos cement pipe with a hacksaw fitted with a coarse blade.
A nice clean cut with no dust.
4 1 2 diamond blade in a grinder.
Wet the siding and start your cutting.
There s really not much to fuss over.
For vent or other holes in asbestos siding or where lead paint is likely to be can be drilled using a shielded hole cutter.
You can cut them in place with a multi master.
The newer siding will not cut this way with out breaking.
Asbestos siding never needs to be removed simply because it is asbestos.
Cutting asbestos shingles is a no no because it s so hazardous.
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But here s how you do it.
As long as the siding remains intact it can stay.
First on the list if the tiles are free is a kett power shear with blades angled for cutting cement products.
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.
Best shields are the ones from hole pro that make a complete air seal and to which you can attach a hose to a shop vac.
Place the sheet on a solid surface such as a work bench.
Don t let the word asbestos turn your spine to jelly.
How to cut asbestos cement.
If cement shingles have to be cut use the manufacturer s recommended cutting tool not a power saw that will make a lot of dust.
However if you want to remove you have two options.
Use slow deliberate strokes with the saw under water trickling from a hose pipe or a water bottle with a small hole.