Instructions / Assembly

Valley Construction - Closed or Woven Valley
8
Valley Construction–Closed Cut
10
Valley Construction–Open Cut
9
Precautionary Notes
These shingles are fiberglass, self-sealing asphalt shingles. Because of the natural characteristics
of the high quality waterproofing material used, these shingles will be stiff in cold weather and
flexible in hot weather.
1. Do not drop bundles on edge, over the ridge, or on other bundles to separate shingles.
2. Handle carefully. Shingles can easily be broken in cold weather or their edges damaged in hot
weather.
3. All exposed materials must be of Class A type.
4. Store in a covered, ventilated area–maximum temperature 110°F (43°C.) Store on flat
surface and use weight equalization boards if pallets are to be double stacked. Shingles must
be protected from weather when stored at job site. Do not store near steam pipes, radiators,
etc., or in sunlight. All rolled product must be stored on ends.
5. If shingles are to be applied during PROLONGED COLD periods or in areas where airborne
dust or sand can be expected before sealing occurs, the shingles MUST be hand sealed.
See Wind Resistant instructions.
IMPORTANT: Repair leaks promptly to avoid adverse effects, including mold growth.
Re-Roofing
If old asphalt shingles are to remain in place, nail down or cut away all loose, curled or lifted
shingles; replace with new; and just before applying the new roofing, sweep the surface clean of all
loose debris. Since any irregularities may show through the new shingles, be sure the underlying
shingles provide a smooth surface. Fasteners must be of sufficient length to penetrate the wood
deck at least 3/4" (19mm) or just through plywood. Follow other above instructions for application.
Note: Shingles can be applied over wood shingles when precautions have been taken to provide
an acceptable smooth surface. This includes cutting back old shingles at eaves and rakes and
installing new wood edging strips as needed. Make surface smooth and use beveled wood strips
if necessary. Install #30 underlayment to maintain Class A rating.
This product is sold with an express LIMITED WARRANTY only. A copy of the LIMITED WARRANTY stating its
terms and restrictions is printed on the product wrapper may be obtained from GAF Materials Corporation or at
www.gaf.com. Any deviation from printed instructions shall be the responsibility of applicator and/or specifier.
©2004 GAF Materials Corporation ENGLISH 122903
Center full width roll
of Weather Watch
®
or
StormGuard
®
Leak Barrier
(6" (152mm) end laps)
in valley
Center 20" (508mm)
wide non-corroding,
non-staining 24 gauge
metal in valley.
Minimum 4" (102mm)
under shingles at eave
Embed shingles in
asphalt plastic
cement in valley
Top of valley 6" (152mm)
wide between shingles.
Spreads 1/8" (10mm/m)
per foot toward eaves
Crop top corners
of shingles at
valley as shown
Cement 12" (305mm)
metal laps with asphalt
plastic cement
Secure the metal flashing
without puncturing by placing
roofing nails every 12" to 18"
(305 - 457mm) along edge.
Do not nail through
metal valley
Center full width roll
of Weather Watch
®
or StormGuard
®
Leak Barrier (6" (152mm)
end laps) in valley.
Carry underlayment
across valley
Valley center line
Extend end shingle
at least 12" (305mm)
beyond valley center line
Clipped corner set
in roofing cement
Run starter strip and first
shingle course only across
valley 12" (305mm) minimum
Shingles trimmed 2" (51mm)
back from valley center line
Extra fastener in
end of shingle
No fasteners within
6" (152mm) of center line
Center 36" (914mm) wide roll
of Weather Watch
®
or StormGuard
®
Leak Barrier (6" (152mm)
end laps) in valley.
Nail as shown
Carry underlayment
across valley
Valley center line, no fasteners within 6" (152mm) of center line
Extra fastener in
end of shingle
Extend end shingle
at least 12" (305mm)
beyond valley center line
CAUTION: Do not locate nails
closer than 6" (152mm) to the
valley center line