New Roof Over Old Shingles

Shingles are designed for flat surfaces.

New roof over old shingles.

Use a flat pry bar. We discuss the nesting method which helps minimize an uneven appear. Let s start with the good. In this video we provide details on how to install roof shingles over existing shingles.

Many arizona homeowners with shingle roofs do decide to roof over their existing shingles because. Remove the ridge caps. Install a layer of roofing felt over the roof before you begin installing the new shingles. Before you begin installing the new shingles be sure to inspect the roof for any damage.

Why not add new roof shingles over old. They don t do a good job of bridging over gaps dips or humps including the. The felt should be secured every six inches with nails or staples. Damaged decking will need to be repaired before you can install any new shingles.

Good quality composite shingles can weigh 350 to 450 pounds per square 100 square feet of. When roofing over your existing shingles can be a good idea. 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. Damaged shingles should be removed to check the decking for problems.

How to do it remove caps. Since the roofer is able to identify and repair high risk areas a new roof offers better quality than an old one. A new roof fixes existing issues and traps less heat than multiple layers which can cause shingles to break and curl faster. Doing it now will make it easier to keep the reroofing job clean.

When you should tear off your roof and start from scratch instead. Step 3 cover the old shingles.