How To Shingle Over Existing Roof To Patch A Leaky

Difference between reroofing and roof replacement.

How to shingle over existing roof to patch a leaky.

Assessing a roof leak. Roofing over an existing roof is also called reroofing or an overlay. Continue marking lines every five inches up to the roof ridge. 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.

Let s start with the good. To remove a damaged shingle lift the. The uncut shingle should hang a quarter of an inch over the roof edge. Add a bead of caulk or roof cement to the top and bottom edge of the flashing to keep it in place.

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. 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. Homeadvisor s leaking roof repair guide provides steps to find and seal or patch holes in your shingles. Depending on how the roofs join you may have to cut a slot to work it in far enough.

Attach with nails along the top edge of the strip. When you should tear off your roof and start from scratch instead. Use a temporary patch for emergencies or permanently repair you roof to stop water damage from rain and the elements. 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.

Use the chalk line to mark the line at that spot across the roof. Use a starter strip or cut pieces for a starter course. Add a new layer of shingles which means that there is no tearing off of the old roof. You can save.

Many arizona homeowners with shingle roofs do decide to roof over their existing shingles because. 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. Fix your roof from the ceiling or attic inside or outside of your house. Patch the nail or screw holes by slipping a piece of roof flashing underneath the shingle.

Why installing new shingles over old shingles can be good. Add a bead of caulk or roof cement to the top and bottom edge of the flashing to keep it in place.