How To Properly Install Roof Shinges Oround A Sky Light
If it s carefully removed when the old roof is torn off it should be reusable.
How to properly install roof shinges oround a sky light. Install new flashing metal flashing is often called drip edge along the bottom of the roof near your gutters. Install shingles over the roof underlayment up to the sill figure 8a. At the top of the unit install membrane flashing directly to the wood deck figure 7e. The membrane will seal around the nails.
Nail roofing shingles over the bottom membrane. Install from the bottom up lapping each piece on top of the lower one. Most residential skylights sit on a raised curb made watertight with metal flashing. Using the chalk line snap a line between the two marks to get a straight edge.
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. Adhere the joint where the cut edges of the shingles meet the dome with roofing tar. Nail the piece to the roof at the top outside corners of the u and cover the exposed sides with shingles. Cut the shingles to fit around the flange s dome.
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. Some wrap corners some don t. If the plumbing vent is close to the peak of the roof lap the shingles over the peak of the roof. Then install the roofing underlayment over the flashing at the head of the skylight figure 7f.
Some counter flash some don t etc. Pull the drip edge down about a half inch from that line to create a gap between the drip edge and the fascia board. If you have to replace shingles around a skylight examine the old flashing. Nail the drip edge in place using your hammer and roofing nails.
There are many ways to install the primary flashing and roofing materials around skylights. Now place the u shaped sill flashing over the shingles as shown and slip it over the skylight s bottom end. Trim the shingles away from the ridge vent hole.