2.4
FASTENERS
2.4.1
Nails For Applying Felt Underlayment
Hot dip galvanized steel, 2.9 mm thick 11 gage, sharp pointed, conventional
roofing nails with barbed shanks, minimum 9.5 mm 3/8 inch diameter head,
and of sufficient length to penetrate [19 mm3/4 inch into nailable concrete
deck] [through plywood sheathing] [through substrate panels]. Verify that
nails are compatible with flashing materials to prevent galvanic action.
2.4.2
Nails for Installation of Tile
Copper ring shank nails, 3.3 mm 10 gage, with minimum 11 mm 7/16 inch
diameter head or 3.3 mm 10 gage stainless steel ring shank nails with
minimum 9.5 mm 3/8 inch head and of sufficient length to penetrate 19 mm
3/4 inch into [wood ridge and hip boards] [battens]. Verify that chemicals
used in pressure treatment of ridge and hip boards are compatible with
copper nails.
2.4.3
Twisted-Wire Tie System
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NOTE: This paragraph is applicable for the
installation of clay tile on roofs with slopes in
excess of 12:12.
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Continuously twisted 3.3 mm 10 gage [copper][brass] [2.5 mm 12 gage
galvanized steel]wire with loops formed at 150 mm 6 inches on center and
with tie wires of 1.8 mm 14 gage [copper] [brass] [1.5 mm16 gage galvanized
steel] [9.4 mm dia.0.037 inch dia. stainless steel] wire. Provide clips
for anchorage of twisted-wire tie system to substrate as recommended by
manufacturer.
2.4.4
Single-Line Wire Tie System
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NOTE: This paragraph is applicable for the
installation of clay tile on roofs with slopes from
2:12 to 12:12.
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[3.3 mm10 gage copper] [3.3 mm10 gage brass] [2.5 mm 12 gage galvanized
steel] [2.13 mm0.084 inch stainless steel] pre-formed wire ties with a hook
on one end and a loop on the other end. Lengths as required for
manufacturer's recommended exposure.
2.4.5
Wind Locks
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NOTE: This paragraph is applicable for the
installation of clay tiles for all slopes in high
wind areas as designated by local codes.
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[3.3 mm10 gage copper] [3.3 mm10 gage brass] [2.5 mm 12 gage galvanized
steel] [2.13 mm dia.0.084 inch dia.stainless steel] formed wire clips.
Select material type as recommended by manufacturer for specific locations.
SECTION 07320N
Page 8
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