Use a trowel to spread roofing cement over half or more of the strips.
How to install roll roofing over shingles.
As with the felt paper it is very important to properly align the roll roofing.
This aluminum flashing protects the edges of the roof sheathing.
Install roll roofing measure 35 inches up from the eaves at several intervals along the roof and mark them.
Position and roll out the roofing carefully because it is not easy to reposition then press it into the cement.
It needs to be nailed down with each nail spaced roughly 6 inches apart.
Then set the first course in the cement so it overhangs by about 1 4 inch.
Use a starter strip or cut pieces for a starter course.
Nail only its top edge the part that is bare of mineral coating.
After it is unrolled and spread into place over the roof it must be nailed down.
Do not use the eaves as a guide instead because they can be uneven.
After the eave drip is in place it is time to lay the roll roofing.
Snap a chalk line as a guide for the first layer roofing.
Step by step roll roofing installation 1.
Attach with nails along the top edge of the strip.