Roof Cap Installation
Steps:
1. From inside the attic, drive a nail through the roof directly above the
bathroom vent fan. Center the nail between two rafters.
2. From the roof, find the nail and use the utility knife to cut roof shingles
from around the nail.
3. Slide a flat pry bar underneath the shingles around the nail to break
the weather seal.
4. Use a hole saw to drill through the roof or a jigsaw/reciprocating saw
to cut the hole, centered on the nail hole.
5. Crimp the end of a sheet metal sleeve. Slide the sleeve into the
insulated duct. Secure sleeve to duct with foil duct tape.
6. Remove the connector fitting from the bath vent fan and attach it to
the opposite end of the insulated duct. Secure the fitting with foil duct
tape.
7. Use a nylon zip tie to securely hold the insulation to each end of the
duct.
8. Take the end of the duct with the connector fitting and attach it to bath
vent fan.
9. For a collared roof cap connect the sleeved end to the roof cap collar
with sheet metal screws. If it’s a flush roof cap pass sleeved end of the
duct through the hole in roof.
10. Next, use aviation snips to cut slits into the sheet metal sleeve. Bend
over the tabs, and then nail the tabs to the roof.
11. Run a thick bead of tri-polymer sealant along the underside of vent
hood. Apply sealant to the sides and top edge, but not along bottom
edge of the hood.
12. Slide the vent hood under the roof shingles, centered on the duct,
and press down flat.
13. Lift shingles along the side of the vent hood and nail through the
hood's flange with roofing nails.
14. Apply sealant under the shingles to each side of the vent hood, and
then press them down flat.
15. Lift the shingles above the vent hood and nail through the flange
along the top of hood.
16. Run bead of sealant under the shingles along top of vent hood, then
press them down.
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Speedi-Products EX-RCGC 06 Operating instructions
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