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Five Frequently Asked Questions: |
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1.
Can we install HardiFlex®3.5mm
Fiber
Cement Board
with
the same nailing pattern as plywood?
No. HardiFlex®3.5mm
Fiber Cement Board should be installed with
nails 50mm from the corner to avoid break-
out of the corners. Nails must be 12mm from
the edge and 200mm (8”) on centers across
the body of the sheet and along supporting
edges.
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2.
Is it alright to cut
HardiFlex®3.5mm
Fiber
Cement Board with a handsaw?
No. Use HardiFlex®
Scoring Knife for cutting HardiFlex®3.5mm
Fiber Cement Board. A handsaw will become
blunt after cutting through any James Hardie
Fiber Cement Product. Other alternatives would
be to use a power saw or a hand guillotine.
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3.
Can I use finishing nails
to install HardiFlex®
Sheets?
No.
Finishing nails do not have a head to hold the
HardiFlex®
Sheets
in place. |
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4.
What are the specifications
of the HardiFlex®
Nail recommended for HardiFlex®
Fiber Cement Board?
Nails must be corrosion protected with an acceptable
thickness of zinc coating or galvanization with
a head diameter not smaller than 6mm, shaft
length of 32mm and shaft diameter of 2.3mm. |
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5.
What are the types of
paints that can be used for HardiFlex®
Fiber Cement Board?
The
most economical type of paint recommended
for HardiFlex®
Fiber
Cement Boards are
water-based (latex) paints. Acrylic, Vinyl,
PVA, are all water-based paints. Acrylic can
be used for both external and internal applications.
Vinyl and PVA are for internal applications.
Oil-based (Alkyds or Enamel) paints can also
be used on HardiFlex®
Fiber
Cement Boards, although
they would cost more than water-based. These
types of paint also need undercoats because
these paints soak in too far.
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