New Roof Over Old Shingles

Damaged decking will need to be repaired before you can install any new shingles.

New roof over old shingles.

They don t do a good job of bridging over gaps dips or humps including the. In this video we provide details on how to install roof shingles over existing shingles. Doing it now will make it easier to keep the reroofing job clean. Damaged shingles should be removed to check the decking for problems.

The felt should be secured every six inches with nails or staples. A new roof fixes existing issues and traps less heat than multiple layers which can cause shingles to break and curl faster. Why not add new roof shingles over old. Since the roofer is able to identify and repair high risk areas a new roof offers better quality than an old one.

Why installing new shingles over old shingles can be good. Install a layer of roofing felt over the roof before you begin installing the new shingles. Step 3 cover the old shingles. Use a flat pry bar.

Let s start with the good. How to do it remove caps. 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. Good quality composite shingles can weigh 350 to 450 pounds per square 100 square feet of.

If a shingle is. When you should tear off your roof and start from scratch instead. We discuss the nesting method which helps minimize an uneven appear. Remove air vents and pipe flashings by prying out or unscrewing the fasteners holding the fixture.

Many arizona homeowners with shingle roofs do decide to roof over their existing shingles because. Remove the ridge caps.