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Joined: Dec 2003
Posts: 886
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This is not the old asbestos siding,but is the cement board,Hardi-plank,or Hardi board
They were called asbestos shingles because back then the only siding was wood and brick. Asbestos cement board siding provided fire resistant properties similar to brick at less cost. I think you actually got a reduction in your fire insurance if you had brick or asbestos shingles.
The asbestos in the cement mix was eliminated when asbestos "fell out of vogue". I think it was replaced with saw dust and this is the composition that is still used today by Hardi-Plank so it is really nothing new and the same as the old asbestos siding without the asbestos.
-Hal
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Joined: Jan 2004
Posts: 79
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You can find grit type cutting holesaws at tile and mason supply stores also.
[This message has been edited by cavo148 (edited 04-26-2004).]
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Joined: Oct 2003
Posts: 259
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I have used Master Grit hole saws in the past, bought from the supply house
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Joined: Jan 2002
Posts: 324
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We do a good many houses with hardy plank and i found the 4" grinder with a masonry cut off wheel does the best for me. Especially for cutting in recepts. Dont waste your time with roto zip tile bits, you'll burn up two per hole.
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Joined: Mar 2004
Posts: 32
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We get really really good results with the "Gold painted" Lenox carbide tipped holesaws. They're awesome, and last forever, haven't tried the "rem-grit" style, but another idea, is GreenLee has a specific hole saw just for this stuff. Check out they're website, and see what they offer in that line of things. My personal preference in the Lenox Gold, Carbide tipped hole saw. We use the 3 5/8ths for 3/0 cut ins. Take care and hope it helps! Brian
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Joined: May 2001
Posts: 552
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I find it a whole lot easier to install your boxes just as you would do on "brick construction or drywall and let the other trades (carpenters, drywallers, etc.,) do the cutting.They have the tools necessary for the material involved and no expense is involved for the electrical contractor in purchasing specialty tools. Just my 2 cents.
Donnie
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Joined: Nov 2002
Posts: 558
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Thanks again everyone. This gives me some good ideas.
Russell
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Joined: Apr 2002
Posts: 558
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Sparkeee24
Do you have any info on the “Lenox Gold” hole saws? I haven’t seen them in any of my suppliers and I just looked at the Lenox web site and don’t see them. The only Lenox carbide hole saws I have seen and used are blue. Maybe I’m looking right at them but can’t see them?
Curt
Curt Swartz
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Joined: Apr 2002
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Posts: 524
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