How To Properly Install Roof Shinges Oround A Sky Light
If you have to replace shingles around a skylight examine the old flashing.
How to properly install roof shinges oround a sky light. If the plumbing vent is close to the peak of the roof lap the shingles over the peak of the roof. Nail the drip edge in place using your hammer and roofing nails. Some counter flash some don t etc. At the top of the unit install membrane flashing directly to the wood deck figure 7e.
Nail the piece to the roof at the top outside corners of the u and cover the exposed sides with shingles. If it s carefully removed when the old roof is torn off it should be reusable. Nail roofing shingles over the bottom membrane. The following are drawings of one tried and true method presented in step by step installation procedures from dry in to setting a standard 2 x 4 skylight on a curb.
Trim the shingles away from the ridge vent hole. Install new flashing metal flashing is often called drip edge along the bottom of the roof near your gutters. There are many ways to install the primary flashing and roofing materials around skylights. Adhere the joint where the cut edges of the shingles meet the dome with roofing tar.
Attach he ridge cap shingles with two nails each. Using the chalk line snap a line between the two marks to get a straight edge. Then install the roofing underlayment over the flashing at the head of the skylight figure 7f. Install from the bottom up lapping each piece on top of the lower one.
To start installing shingles line up aluminum drip edge flush with the edge of the roof and make a pencil line at the top on each end of the house. Some wrap corners some don t. The membrane will seal around the nails. Most residential skylights sit on a raised curb made watertight with metal flashing.
Always install flashing around a chimney and other valleys where two roof planes meet as these areas are more prone to leaks if not protected. Now place the u shaped sill flashing over the shingles as shown and slip it over the skylight s bottom end. Pull the drip edge down about a half inch from that line to create a gap between the drip edge and the fascia board.