How To Properly Install Roof Shinges Oround A Sky Light

Install shingles over the roof underlayment up to the sill figure 8a.

How to properly install roof shinges oround a sky light.

Nail the piece to the roof at the top outside corners of the u and cover the exposed sides with shingles. If the plumbing vent is close to the peak of the roof lap the shingles over the peak of the roof. Cut the shingles to fit around the flange s dome. Using the chalk line snap a line between the two marks to get a straight edge.

Some wrap corners some don t. At the top of the unit install membrane flashing directly to the wood deck figure 7e. Some counter flash some don t etc. Attach he ridge cap shingles with two nails each.

Most residential skylights sit on a raised curb made watertight with metal flashing. Nail the drip edge in place using your hammer and roofing nails. Adhere the joint where the cut edges of the shingles meet the dome with roofing tar. If it s carefully removed when the old roof is torn off it should be reusable.

Then install the roofing underlayment over the flashing at the head of the skylight figure 7f. There are many ways to install the primary flashing and roofing materials around skylights. 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. Trim the shingles away from the ridge vent hole.

The membrane will seal around the nails. If you have to replace shingles around a skylight examine the old flashing. 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. Install new flashing metal flashing is often called drip edge along the bottom of the roof near your gutters.

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. Install from the bottom up lapping each piece on top of the lower one.