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Note:
If ridge beam is wider than 2" , refer to Roll Vent Off Peak Installation.
Install with continuous
soffit ventilation at each eave equivalent to 9 sq. in. per linear foot.
Installs on pitches 3/12 to 18/12. For pitches greater than 12/12, refer
to page 5.
Use Roll Vent Standard
(10 1/2") for 12" three-tab shingles. Use Roll Vent Metric (11
1/2") for metric shingles approximately 13" wide. If installing
on dimensional or architectural shingles on new construction, leave felt
underlayment about 6" long at roof ridge and fold back under the
vent so that vent is essentially installed on top of felt over the shingles.
If re-roofing, caulk between low areas of shingle and baffle of vent after
installation.
- Snap chalk line
and cut a slot 1 3/4" on each side of ridge beam. Allow for a closed
area of sheathing with no slot 18" at both ends of ridge.
- No end cap is
necessary if ridge cap shingles are lapped over end of product and down
onto ridge. In this case, run vent to 12" from gable ends. Cap
shingles can be laid down over end of vent onto ridge and out of gable
ends. Optionally, Roll Vent can be installed right to gable ends using
an integral end cap. To create end cap, loosen about 6" of matrix
from fabric and cut out with snips. Fold bottom fabric in toward center
of product so that it covers the end of vent. Start and end vent installation
1" from gable ends.
- Center vent over
slot at one end with nail lines “up” and fasten with two
nails (note: minimum nail length is 2 1/2"). Roll out along entire
ridge, pull out slack, and fasten with two nails at opposite end (creating
end cap at other end if using that method). Center ridge cap shingles
over vent and install with 2 1/2" nails provided. Use nail line
as placement guide. If using fabric end cap, hang shingles 1" over
vent at gable ends. Nails must penetrate 3/4" into sheathing or
completely through the sheathing.
- To splice, remove
about 3" of nylon matrix from fabric and lay end of new roll inside
remaining fabric to create fabric overlap.
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