Reroof Roof Over Wet Shingles

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.

Reroof roof over wet shingles.

Installing a new roof over shingles takes less time than tearing off the old roof. 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. How to re roof under air conditioning units which are on top of roof. Looks just as good and lasts as long.

This provides added protection against ice dams. It can only be done once so if you already have two layers of roofing in place reroofing is not an option for you. 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. In this video we provide details on how to install roof shingles over existing shingles.

That s also why building codes commonly limit re roofing to no more than two layers. Having said that it will be nearly impossible to get a good looking quality installation. Has the same manufacturer s warranty. On 2018 11 29 by diane.

We discuss the nesting method which helps minimize an uneven appear. 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. Can reroofing be done over wet shingles. Because there is no tear off reroofing can go much faster and be much less expensive than a complete roof replacement.

Reroofing is the process of layering one set of new shingles over a set of existing shingles. All shingle manufacturers honor the warranty whether their products are used for a reroof or a new roof. Not if you re following the manufacturer s installation recommendations. Some roofers install a layer of waterproof shingle underlayment wsu over the existing shingles at the eave end as would be done for a roof laid on bare sheathing.