Secure the horizontal flange to the roof.
How to fit asphalt roof shingles.
Install new flashing metal.
Overlap each row at least 3 to 4 inches.
Apply a heavy bead of asphalt cement.
Make sure that the tab of the shingle in the second course will cover it completely.
Start by laying asphalt felt or other underlayment over the roof.
Removing the old roofing shingle remove the old roof s shingles and repair any damages sections of the roof.
Dot the cement under and around the edge of the last ridge shingle where you removed the nail line.
Place the second step flashing piece over the end shingle in the first course by positioning it 143 mm 5 5 8 above the bottom edge of the exposed asphalt shingle.
If you live in an area with inclement weather you should consider using a special ice and water protector.
How to install asphalt roof shingles step 1.
Take measurements measure the length and width of the roof surface and calculate the footage that needs to be.