Reroof Roof Over Wet Shingles

This shortens the effective life of the shingles and can adversely affect the roof sheathing.

Reroof roof over wet 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. Remove air vents and pipe flashings by prying out or unscrewing the fasteners holding the fixture. Remove the ridge caps.

Doing it now will make it easier to keep the reroofing job clean. 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. How to do it remove caps. 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. 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. Your existing layer of roof shingles is deteriorating and you need to get a new roof installed. Installing a new roof over shingles takes less time than tearing off the old roof.

Roofing felt applied over a wet roof deck or shingles applied over wet roofing felt traps a layer of moisture within the roof. Has the same manufacturer s warranty. 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.

All shingle manufacturers honor the warranty whether their products are used for a reroof or a new roof. Looks just as good and lasts as long. 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. This moisture can lead to mold and mildew forming underneath the shingles.

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. Use a flat pry bar.