Reroof Roof Over Wet Shingles

Has the same manufacturer s warranty.

Reroof roof over wet shingles.

Your existing layer of roof shingles is deteriorating and you need to get a new roof installed. The quick answer is yes you can re roof architectural shingles over existing architectural shingles however you must check with the shingle manufacturer as well. Roofing felt applied over a wet roof deck or shingles applied over wet roofing felt traps a layer of moisture within the roof. Remove air vents and pipe flashings by prying out or unscrewing the fasteners holding the fixture.

This moisture can lead to mold and mildew forming underneath the shingles. One question you might have is can i reroof over existing shingles the answer is it depends state regulations and the condition of your roof both play a role in determining if you need a roof replacement tear off vs cover over. The top coat is a layer of igneous rock granules wrapped in a ceramic pigment coating that protects the asphalt from uv rays. Roof replacement is expensive.

Looks just as good and lasts as long. How to do it remove caps. Prep work for re roofing over asphalt shingles. Manufacturers will still warranty the roof for the same amount of time as a re roof as long as it s done by a qualified installer.

As long as it s done right and under the right conditions installing new shingles over old ones can last as long and look just as good as a complete re roof. Inspect the condition of the existing roof and roof deck for numer of roof layers soundness of roof decking smoothness of existing roof installation and other factors that determine whether or not you can do a roof over or if a roof shingle tear off is required. The nrca national roofing contractors and manufacturers association roofing manuals construction specifications institute standard federal construction standards from various agencies and internationresidential building code used by most states all prohibit placing either the water barrier membrane or shingles over wet substrate. This shortens the effective life of the shingles and can adversely affect the roof sheathing.

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. If a shingle is. Installing a new roof over shingles takes less time than tearing off the old roof. Doing it now will make it easier to keep the reroofing job clean.

Having said that it will be nearly impossible to get a good looking quality installation. Nearly all shingles start as a fiberglass mat soaked with water resistant asphalt.