How To Shingle Over Existing Roof To Patch A Leaky

Use the chalk line to mark the line at that spot across the roof.

How to shingle over existing roof to patch a leaky.

Continue marking lines every five inches up to the roof ridge. Mark the location of the top of the uncut shingle on the felt. Add a new layer of shingles which means that there is no tearing off of the old roof. 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.

Many arizona homeowners with shingle roofs do decide to roof over their existing shingles because. Let s start with the good. Fix your roof from the ceiling or attic inside or outside of your house. 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.

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. Depending on how the roofs join you may have to cut a slot to work it in far enough. Assessing a roof leak. The uncut shingle should hang a quarter of an inch over the roof edge.

Attach with nails along the top edge of the strip. When roofing over your existing shingles can be a good idea. Homeadvisor s leaking roof repair guide provides steps to find and seal or patch holes in your shingles. 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.

When you should tear off your roof and start from scratch instead. Roofing over an existing roof is also called reroofing or an overlay. Why installing new shingles over old shingles can be good. You can save.

Use a starter strip or cut pieces for a starter course. Add a bead of caulk or roof cement to the top and bottom edge of the flashing to keep it in place. It is the process where roofers install a new roof over your existing one i e. Add a bead of caulk or roof cement to the top and bottom edge of the flashing to keep it in place.

Patch the nail or screw holes by slipping a piece of roof flashing underneath the shingle. 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.