Roofing Over Old Wet 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.

Roofing over old wet shingles.

If you need to redo your roof you might be tempted to save some money by having another layer installed over the existing shingles. 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. If you re considering getting a metal roof you may be wondering if you can install it over shingles. Many arizona homeowners with shingle roofs do decide to roof over their existing shingles because.

Can metal roofs be installed over shingles. When you should tear off your roof and start from scratch instead. Is it okay to put the new shingles right over the old ones. Remove air vents and pipe flashings by prying out or unscrewing the fasteners holding the fixture.

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. Shingles and roofing materials may not adhere properly to slick surfaces with high humidity. Can reroofing be done over wet shingles.

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. Leak around a dormer which the homeowner never knew about long term effects of shingling over shingles. Let s start with the good. 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.

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. This can lead to increased rot mold and decrease the structural integrity of your home. On 2018 11 30 03 51 02 809154 by mod reroofing over wet shingles. That s also why building codes commonly limit re roofing to no more than two layers.

On 2018 05 09 by christie. A wet installation can also cause a new roof to fail. If a shingle is. How to do it remove caps.

On 2018 11 29 by diane. Use a flat pry bar. Why installing new shingles over old shingles can be good. Some people think that they can just install the metal roofing right over the old shingles roof without any barrier in between but this is highly not recommended.

Can you have 1 layer of asphalt shingles on one side and 2 layers of shingles on the other side. Doing it now will make it easier to keep the reroofing job clean. When roofing over your existing shingles can be a good idea. Yes you can install a metal roof over shingles.