Self Flash Existing Roof
Eco-$mart, Inc. (888)329-2705 [email protected] www.eco-smart.com Self Flashed Solar Fan Installation Instructions —Existing Roof Step #1—Measure 24” - 36” down from the center of the ridge cap depending on roof slope and place a mark for the center of the hole to be cut in Step #2. Top of Housing should be lower than the top of the ridge. Step #7—Lift roofing shingles and nail base perimeter to the roof (including bottom, sides and top of base). Step #2—Cut 13-3/4” circular hole into roof. The hole should be approximately 1/4” larger than the base opening in order to properly waterproof the base to the roof. Step #3—Mark notches on shingles and cut notches out so that the shingle can fit properly against the base. Step #8—Lay a bead of Silicone Building Sealant over each nail head and along the edges in order to seal each shingle to the base or roof decking. Step #9—Lay a bead of Silicone Building Sealant along the edge of the shaft base and tool the bead to insure waterproof integrity. Step #10—Place the panel housing and fan onto the base. Step #4 —Remove any roofing nails in the area where the base will be slid under the shingles. Step #11—Screw the housing onto the base. Step #5—Lay a bead of Silcone Building Sealant around the base as shown in the photo (Dow Corning 795 or equivalent is recommended). Step #6—Slide the base under the roof shingles until the base is centered over the opening. Step #12—Take off the cardboard protective cover and enjoy your new solar fan.
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