Use the chalk line to mark the line at that spot across the roof.
How to shingle over existing roof to patch a leaky.
It s clearly easier and cheaper to leave the old shingles in place but there s some special prep work involved with a re roof removing vents ridge caps and misshapen shingles among other things and you still have to replace or add new flashing which sometimes can be tricky over old roofing.
Add a bead of caulk or roof cement to the top and bottom edge of the flashing to keep it in place.
Begin by removing the shingles down to the wood sheathing and slip a strip of adhesive ice and water barrier available where roofing repair products are sold under the soffit main roof joint.
Fix your roof from the ceiling or attic inside or outside of your house.
Many arizona homeowners with shingle roofs do decide to roof over their existing shingles because.
Use a temporary patch for emergencies or permanently repair you roof to stop water damage from rain and the elements.
Attach with nails along the top edge of the strip.
When roofing over your existing shingles can be a good idea.
It is the process where roofers install a new roof over your existing one i e.
Depending on how the roofs join you may have to cut a slot to work it in far enough.
Rip cut the starter strip or starter pieces so that they butt up against the second course of existing shingles and are even with the front edge of the existing roofing.
Why installing new shingles over old shingles can be good.
Assessing a roof leak.
Some overhead leaks are due to minor problems such as a single torn shingle or a small hole in flashing that you can usually handle with a little diy experience and some.
Add a new layer of shingles which means that there is no tearing off of the old roof.
Difference between reroofing and roof replacement.
You can save.
Add a bead of caulk or roof cement to the top and bottom edge of the flashing to keep it in place.
Use a starter strip or cut pieces for a starter course.
To remove a damaged shingle lift the.
The uncut shingle should hang a quarter of an inch over the roof edge.
When you should tear off your roof and start from scratch instead.
Continue marking lines every five inches up to the roof ridge.
Roofing over an existing roof is also called reroofing or an overlay.
If shingles are cracked missing or rotten replacing them may be another simple fix for repairing a leaky roof provided you have the replacement shingles.
Mark the location of the top of the uncut shingle on the felt.