New Roof Over Old Shingles

Let s start with the good.

New roof over old shingles.

When you should tear off your roof and start from scratch instead. When roofing over your existing shingles can be a good idea. Many arizona homeowners with shingle roofs do decide to roof over their existing shingles because. How to do it remove caps.

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. 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.

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

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. Damaged shingles should be removed to check the decking for problems. If a shingle is.

Shingles are designed for flat surfaces. 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. Doing it now will make it easier to keep the reroofing job clean. Why installing new shingles over old shingles can be good.

Remove air vents and pipe flashings by prying out or unscrewing the fasteners holding the fixture. Use a flat pry bar.