Installation Manual - CertainTeed
Installation Manual - CertainTeed
Installation Manual - CertainTeed
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<strong>CertainTeed</strong> WeatherBoards Fiber Cement Siding <strong>Installation</strong> <strong>Manual</strong><br />
Section 6: Cutting<br />
Installing fiber cement siding requires carpentry skills<br />
and knowledge that are unique to this material. There<br />
are two key techniques to the way the material is cut<br />
and fastened. Also, good wall preparation is extremely<br />
important to a quality job, so much so that we have<br />
devoted a full section to it starting on page 27.<br />
Personal Protective Equipment<br />
When fiber cement is cut or drilled, it will create dust.<br />
This dust may contain crystalline silica, which can pose<br />
a health risk. Using the recommended cutting tools and<br />
blades can greatly reduce the amount of dust generated<br />
when cutting fiber cement. To minimize dust, use cutting<br />
tools equipped with a dust collector, and never use water<br />
when cutting. Ensure adequate ventilation by working<br />
outdoors or by using mechanical ventilation to reduce<br />
potential exposure below applicable exposure limits.<br />
If ventilation is not adequate to limit exposure, wear<br />
a NIOSH-approved disposable respirator (N95) or air<br />
purifying cartridge respirator fitted with N (non-oil), P, or R<br />
series filters. Finally, always wear safety goggles and dust<br />
protection equipment when operating cutting tools.<br />
Cutting Tools and Blades<br />
18<br />
Good<br />
Better<br />
Best<br />
Recommended Tools and Blades<br />
Power miter saw with polycrystalline<br />
diamond-tipped blade<br />
XXCreates more dust than a circular<br />
saw with a polycrystalline diamondtipped<br />
blade<br />
Circular saw with carbide-tipped blade<br />
XXBecomes dull faster and creates more<br />
dust than polycrystalline diamondtipped<br />
blade<br />
Circular saw with polycrystalline diamondtipped<br />
blade<br />
X<br />
X Creates less dust than miter saws and<br />
carbide-tipped blades<br />
Requirements<br />
XXCut fiber cement board face down when using a<br />
circular saw or mechanical shears. Cover the saw table<br />
with a piece of carpet or soft cover to avoid scratching<br />
the face of the siding.<br />
Proper Cutting Setup<br />
Use good support and position the siding face down when<br />
using a circular saw or mechanical shears.<br />
XXCut fiber cement board face up when using a chop/<br />
miter saw.<br />
XXWhen cutting fiber cement, support the board along its<br />
length and near the cut.<br />
XXTo avoid breakage, use extra care when you cut near<br />
the edge.<br />
Leave Protective Film on Cedar Lap Siding with <strong>CertainTeed</strong><br />
ColorMax ® Finishing System until board is installed.