New Roof Over Old Shingles

They don t do a good job of bridging over gaps dips or humps including the.

New roof over old 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. Good quality composite shingles can weigh 350 to 450 pounds per square 100 square feet of. How to do it remove caps.

Doing it now will make it easier to keep the reroofing job clean. Use a flat pry bar. Damaged shingles should be removed to check the decking for problems. Remove the ridge caps.

Remove air vents and pipe flashings by prying out or unscrewing the fasteners holding the fixture. Shingles are designed for flat surfaces. 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.

When roofing over your existing shingles can be a good idea. Install a layer of roofing felt over the roof before you begin installing the new shingles. We discuss the nesting method which helps minimize an uneven appear. Many arizona homeowners with shingle roofs do decide to roof over their existing shingles because.

Damaged decking will need to be repaired before you can install any new shingles. 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. When you should tear off your roof and start from scratch instead.

If a shingle is. Let s start with the good.