New Roof Over Old Shingles

Since the roofer is able to identify and repair high risk areas a new roof offers better quality than an old one.

New roof over old shingles.

Remove air vents and pipe flashings by prying out or unscrewing the fasteners holding the fixture. Damaged shingles should be removed to check the decking for problems. 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.

They don t do a good job of bridging over gaps dips or humps including the. Many arizona homeowners with shingle roofs do decide to roof over their existing shingles because. Why not add new roof shingles over old. In this video we provide details on how to install roof shingles over existing shingles.

When you should tear off your roof and start from scratch instead. How to do it remove caps. Install a layer of roofing felt over the roof before you begin installing the new shingles. Why installing new shingles over old shingles can be good.

Good quality composite shingles can weigh 350 to 450 pounds per square 100 square feet of. Remove the ridge caps. If a shingle is. A new roof fixes existing issues and traps less heat than multiple layers which can cause shingles to break and curl faster.

Before you begin installing the new shingles be sure to inspect the roof for any damage. Shingles are designed for flat surfaces. Use a flat pry bar. 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.

Let s start with the good. When roofing over your existing shingles can be a good idea.