Put Shingles Over Old Roof

Is it okay to put the new shingles right over the old ones.

Put shingles over old roof.

Damaged decking will need to be repaired before you can install any new shingles. The felt should be secured every six inches with nails or staples. Manufacturers will still warranty the roof for the same amount of time as a re roof as long as it s done by a qualified installer. Damaged shingles should be removed to check the decking for problems.

They don t do a good job of bridging over gaps dips or humps including the. Here is a video on how we lay a second layer of asphalt shingles over existing asphalt shingles. In this video we provide details on how to install roof shingles over existing shingles. How to do it remove caps.

Does it cost more to tear off. Why not add new roof shingles over old. Install a layer of roofing felt over the roof before you begin installing the new shingles. Over the years we ve seen problems caused by shingle overs.

To level out an existing asphalt shingle roof rip down reduce the height of two courses of shingles as shown in the drawing below. Hope you like it. Use 1 5 or 1 75 inch roofing nails. Remove the ridge caps.

If a shingle is. As long as it s done right and under the right conditions installing new shingles over old ones can last as long and look just as good as a complete re roof. Leave the old valley flashing in place and install new over it. Shingles are designed for flat surfaces.

We discuss the nesting method which helps minimize an uneven appear. Doing it now will make it easier to keep the reroofing job clean. Remove air vents and pipe flashings by prying out or unscrewing the fasteners holding the fixture. Good quality composite shingles can weigh 350 to 450 pounds per square 100 square feet of.

If you haven t noticed yet we are not fans of shingle overs not at all. Because asphalt shingles are routinely exposed 5 in rip down the first strip the starter course so that it is 5 in. Use a flat pry bar. We don t recommend them nor do we do them.

Has the same manufacturer s warranty. Looks just as good and lasts as long. Place the top of each starter shingle firmly against the bottom of the shingle immediately above it and even with the eaves then nail it into place. Installing a new roof over shingles takes less time than tearing off the old roof.