Put Shingles Over Old Roof

If a shingle is.

Put shingles over old roof.

Here is a video on how we lay a second layer of asphalt shingles over existing asphalt shingles. Looks just as good and lasts as long. They don t do a good job of bridging over gaps dips or humps including the. If you haven t noticed yet we are not fans of shingle overs not at all.

Damaged shingles should be removed to check the decking for problems. 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. Use a flat pry bar. Hope you like it.

Is it okay to put the new shingles right over the old ones. We discuss the nesting method which helps minimize an uneven appear. To level out an existing asphalt shingle roof rip down reduce the height of two courses of shingles as shown in the drawing below. Damaged decking will need to be repaired before you can install any new shingles.

Step 3 cover the old shingles. Installing a new roof over shingles takes less time than tearing off the old roof. Install a layer of roofing felt over the roof before you begin installing the new shingles. Use 1 5 or 1 75 inch roofing nails.

We don t recommend them nor do we do them. 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. If you need to redo your roof you might be tempted to save some money by having another layer installed over the existing shingles. Good quality composite shingles can weigh 350 to 450 pounds per square 100 square feet of.

How to do it remove caps. Leave the old valley flashing in place and install new over it. 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. Because asphalt shingles are routinely exposed 5 in rip down the first strip the starter course so that it is 5 in.

Doing it now will make it easier to keep the reroofing job clean. Has the same manufacturer s warranty. Roofing over your existing roof is not worth it. The felt should be secured every six inches with nails or staples.

Remove air vents and pipe flashings by prying out or unscrewing the fasteners holding the fixture. In this video we provide details on how to install roof shingles over existing shingles. Does it cost more to tear off. Over the years we ve seen problems caused by shingle overs.