Roofing Over Old Wet Shingles

Let s start with the good.

Roofing over old wet shingles.

If you re considering getting a metal roof you may be wondering if you can install it over shingles. When you should tear off your roof and start from scratch instead. Shingles and roofing materials may not adhere properly to slick surfaces with high humidity. Remove the ridge caps.

If a shingle is. All shingle manufacturers honor the warranty whether their products are used for a reroof or a new roof. Can reroofing be done over wet shingles. How to do it remove caps.

In a shingle over if some of the decking has buckled and warped over the years it likely isn t going to be noticed and fixed. This can lead to increased rot mold and decrease the structural integrity of your home. Use a flat pry bar. 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.

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. A wet installation can also cause a new roof to fail. Leak around a dormer which the homeowner never knew about long term effects of shingling over shingles. Doing it now will make it easier to keep the reroofing job clean.

The problem with this is that as the metal heats up and expands or cools down and contracts it moves a little on the roof. When roofing over your existing shingles can be a good idea. On 2018 11 30 03 51 02 809154 by mod reroofing over wet shingles. 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.

On 2018 11 29 by diane. On 2018 05 09 by christie. Is it okay to put the new shingles right over the old ones. Not if you re following the manufacturer s installation recommendations.

If the sheathing or wood is wet during the time of installation it can trap moisture inside of your roof leading to mold rot or other severe problems. Installing new roof shingles over old effectively doubles the weight of the roofing so you have to make sure your roof structure can handle the extra load. Why installing new shingles over old shingles can be good. Can metal roofs be installed over shingles.

Yes you can install a metal roof over shingles. Many arizona homeowners with shingle roofs do decide to roof over their existing shingles because. If you need to redo your roof you might be tempted to save some money by having another layer installed over the existing shingles. That s also why building codes commonly limit re roofing to no more than two layers.