Re Roofing Over Asphalt Shingles

Asphalt roof shingle re roofing advice.

Re roofing over asphalt shingles.

Local codes might not allow re roofing. If you re considering getting a metal roof you may be wondering if you can install it over shingles. Step 1 seek professional advice contact your local government office to inquire about local codes regarding installing new shingles over old ones. Before you reshingle a roof read our step by step guide for adding new shingles over old ones.

Re roofing may affect the warranty on the new shingles. In addition if they get damages over time you don t need to replace a huge portion of your roof but only certain areas that have been affected. Most building codes define the options as follows. Two layers is the maximum in most areas but some building codes allow only one.

This article discusses how to prepare an existing asphalt shingle roof for a roof over or for re roofing with new asphalt shingles. If the job is done correctly with the new layer of shingles laid flat over the existing shingles the old roof cushions the new one and serves as a secondary barrier should wind or water ever break through the new shingles. When the time comes to reroof an existing asphalt shingle roof a decision must be made whether to remove the old shingles or apply new shingles directly over the existing layer. Wood or similar shingles are very popular roofing materials because they have a unique look that will make your house look really good.

All shingle manufacturers honor the warranty whether their products are used for a reroof or a new roof. We re going to answer that question in this blog so keep reading or give our legacy service team a call at 215 798 9790 if you re considering a metal roof replacement. Others have been tested by the cool roof rating council. To install asphalt shingles is a different process.

Re roofing over old shingles can save you time and money since you will not have to rip off the old roof and pay to have it hauled away. Cool roof asphalt shingles help lower that difference to just 5 or 10 degrees by using granules coated with a highly reflective pigment. The process of recovering or replacing an existing roof covering. When comparing these products look for the highest numbers in solar reflectance and thermal emittance both on a.

Some shingles are energystar rated. We also discuss proper asphalt shingle roof preparation for a roofover job. This article series discusses best practices in the selection and installation of residential roofing.