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04-15-2008, 06:39 AM
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#1
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Contractor
Trade:
Remodeling & Home Additions
Join Date: Sep 2006
Location: Delaware
Posts: 1,354
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cutting hardiboard
The shears I've found cut hardiplank, but I've got trim boards (1" thick) to cut. I've found two different blades-one is a low dust Hardi-Plank approved blade with 4 small teeth and the other is a continuous rim diamond tip, similar to a tile or masonary blade, which can be used for fiber cement, brick, etc.. Does the latter blade create a lot of dust? Any tips on using a mist to decrease the dust, without getting electrocuted 
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04-15-2008, 09:26 PM
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#2
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Member
Trade:
Siding
Join Date: Oct 2007
Posts: 33
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Use the Hardie Blade, a hepa vac with your saw is the best
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04-16-2008, 08:22 PM
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#3
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Member
Trade:
Siding, Trim
Join Date: Dec 2007
Location: Southeast Georgia
Posts: 46
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The best blade we have found to cut fiber cement siding and trim is the Hitachi Hardiblade, it will usually last us 5-8 houses depending on how tough you are on it. It does make some dust but not nearly as much as the continuous rim blades.
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04-16-2008, 09:02 PM
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#4
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Cpt. Chaos
Trade:
Hard Surface Flooring
Join Date: Jan 2006
Location: Hampton, VA
Posts: 992
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Wetsaw 
__________________
Precision Flooring
Hampton, VA (757) 256-0848
Tile, Hardwood, Laminate, and Resilients
Installation, Sales & Repair - "We do it right the FIRST time"
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04-16-2008, 09:11 PM
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#5
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Pro
Trade:
General, Electrical, and Plumbing Contractor
Join Date: Feb 2007
Location: Portland, OR & Eatonville, WA
Posts: 722
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I also have the Hitachi Hardi blade and it works fine, but you need to get the right saw for the blade.
A Makita 5057KB, and a shop vac.
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04-17-2008, 05:31 PM
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#6
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Pro
Trade:
Exterior Finishing
Join Date: Mar 2008
Location: British Columbia
Posts: 170
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Wham Bam
Quote:
Originally Posted by PrecisionFloors
Wetsaw |
Ever see what Hardi's like when wet?
10" sliding compound mitre, 10" hardi blade, build a cutting table, cut siding and/or trim. Done.
No circular saws, no shears, just precision and ease of use over and over again. 
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04-17-2008, 08:35 PM
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#7
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I might not be good,but I
Trade:
Framing and remodeling
Join Date: Jan 2008
Location: NY state,Dutches county
Posts: 50
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Yeah,but what if you have to use a table saw?
I'm in a same boat.Doing same job.Hardi trim and siding.Started today.Bringing my shopvac tomorrow.Dust out of miter saw is not bad,but from a table saw,HUH.
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04-18-2008, 09:42 AM
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#8
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Pro
Trade:
Exterior Finishing
Join Date: Mar 2008
Location: British Columbia
Posts: 170
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Table Saw
What about a table saw? Use one! I don't use my nice Bosch table saw for it though as the dust breaks down saws relatively fast... I buy a cheapy Ryobi or the like (any saw you wouldn't dare bevel any rips with that are usually under $100) and put a 7 1/4" Hardi blade on it (you can use a 10" but way more expensive and hardie is thin enough that you don't need it).
The dust can be a prob but you could hook a large fan or whatever to blow the dust away from you.
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04-20-2008, 09:13 PM
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#9
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Contractor
Trade:
Remodeling & Home Additions
Join Date: Sep 2006
Location: Delaware
Posts: 1,354
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I'm using an old 10" table saw with the hitachi blade and it cuts the 5/4 (1") thick hardi trim with ease!
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