New Roof Over Existing Shingles

Although it sounds like a good idea we can assure you the cons heavily outweigh the pros.

New roof over existing shingles.

Old shingles can curl over time. When you should tear off your roof and start from scratch instead. The felt should be secured every six inches with nails or staples. Inspect the condition of your current roof.

How to install a roof over an existing roof determine the feasibility. In fact the only pro to a shingle over is it s cheaper and cleaner. That s also why building codes commonly limit re roofing to no more than two layers. This will help keep any moisture from getting under the felt.

Doing it now will make it easier to keep the reroofing job clean. Installing new roof shingles over old effectively doubles the weight of the roofing so you have to make sure your roof structure can handle the extra load. However you ll want to check with your local building department before you make any decisions. Multiple layers of shingles can make it difficult or impossible for the nails to penetrate.

Use a flat pry bar. When roofing over your existing shingles can be a good idea. If conditions are right new shingles laid over old shingles can be just as attractive and durable as shingles laid on bare sheathing. The condition of the existing roof is critical.

Installation is easier than for a tear off job because you can use the existing shingles as guides for laying the new ones. How to do it remove caps. If a shingle is. Why installing new shingles over old shingles can be good.

Building officials in some areas will only allow a re roof over one layer of shingles while officials in other places may allow you to place the roof over two layers of shingles. But you must take care to install the shingles correctly so they lie flat. Remove air vents and pipe flashings by prying out or unscrewing the fasteners holding the fixture. You need a flat surface to install a new roof over existing shingles.

Many arizona homeowners with shingle roofs do decide to roof over their existing shingles because. There s a lot of visible damage. Let s start with the good. You can save money because there s no dump fee for removing your old roofing and there s no need for additional felt paper over the old roof.

Install a layer of roofing felt over the roof before you begin installing the new shingles. The layers of felt should be overlapped by 1 inch as you work toward the roof ridge. Yes you can install a metal roof over shingles. It can only be done once so if you already have two layers of roofing in place reroofing is not an option for you.

When contemplating a new roof many people hope to simply do a shingle over and avoid the extra cost and mess of tearing off the existing roof and starting from scratch. Remove the ridge caps. The roof should be in sound.