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.

Shingles are designed for flat surfaces. Before you begin installing the new shingles be sure to inspect the roof for any damage. Let s start with the good. Remove air vents and pipe flashings by prying out or unscrewing the fasteners holding the fixture.

The felt should be secured every six inches with nails or staples. Damaged shingles should be removed to check the decking for problems. 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. 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. We discuss the nesting method which helps minimize an uneven appear. Damaged decking will need to be repaired before you can install any new shingles. When roofing over your existing shingles can be a good idea.

Doing it now will make it easier to keep the reroofing job clean. Why not add new roof shingles over old. In this video we provide details on how to install roof shingles over existing shingles. Good quality composite shingles can weigh 350 to 450 pounds per square 100 square feet of.

If a shingle is. Step 3 cover the old shingles. Many arizona homeowners with shingle roofs do decide to roof over their existing shingles because. How to do it remove caps.

Install a layer of roofing felt over the roof before you begin installing the new shingles. Remove the ridge caps.