- For valleys 30' or less in length, use standard valley trim. Valleys over
30' in length require extended valley trim.
- Apply triple bead tape sealer to valley trim parallel to the slope of the
valley. Lower edge of tape sealer should be 4 1/2" from center of
valley for standard valleys and 9" from the center of the valley for extended
valleys.
- Install high rib section of inside closure that has been
field cut from standard 3'-0" straight closure. Place the cut closure
square with the rib of the panel. Install Tri-Bead tape sealer to top of
inside closure prior to laying panel edge down on top of the cut closure.
The triple bead tape with proper fastener sequence will seal the minor ribs of
the panel that are between the major ribs.
- Bevel cut "PBR", "PBU", or S-36® panels to fit slope of
valley and install to valley with Fastener #3 (12-14 x 1 1/4" Long Life
driller) at
4" on center. Fasteners must be installed through the closures and into
triple bead tape sealer.
-
Trim laps should overlap approximately 6" with a bead of urethane
sealant in between. Do not rivet valley laps together. If laps gap open,
install Fastener #4 (1/4"-14 x 7/8" Long Life Lap Tek) into each side of water diverter while
holding lap tightly together.
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