Lay the lower edge of the flange over the top of the lower shingles and the upper edge is positioned underneath the upper shingles.
House roofing procedure.
Any soft wet or rotted wood needs to be replaced to create a solid base for your roofing structure.
Begin this layer at the bottom of the roof and add it in horizontal rows with a slight overlap to prevent.
Spread the seams of your roofing material across the roof s surface.
Install the drip edge on the gable ends of the roof after you finish installing your underlayment.
Start at the bottom side of the gable and overlap the sections of drip edge a few inches as you work your way up the roof see figure a.
Use tin caps approximately 2 inch 5 cm round metal discs under roofing nails to keep felt from tearing and blowing away if there might be wind before shingles are put on.
Roll out a single layer of roofing felt or tar paper which serves as a moisture barrier.
A plastic and rubber flange is used to seal around penetrations such as plumbing vents.
This is very important because only when you have a solid base for your roofing structure your shingles will stay intact.
In the same manner you did with the drip mold mark the areas you need to nail with chalk lines.
Complete weathering in your roof with the asphalt roofing paper.
Cut the shingles to fit around the flange s dome.
Use a tin snips to cut the drip edge to size.
Nail it every couple of feet.
Space them by 6 inches.