Roofing Over Old 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.

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. If a shingle is. Why installing new shingles over old shingles can be good. If you need to redo your roof you might be tempted to save some money by having another layer installed over the existing shingles.

When you should tear off your roof and start from scratch instead. 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. Many arizona homeowners with shingle roofs do decide to roof over their existing shingles because. 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.

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. Doing it now will make it easier to keep the reroofing job clean. Shingles and roofing materials may not adhere properly to slick surfaces with high humidity. 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.

Can reroofing be done over wet shingles. Not if you re following the manufacturer s installation recommendations. Can you have 1 layer of asphalt shingles on one side and 2 layers of shingles on the other side. 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.

Let s start with the good. When roofing over your existing shingles can be a good idea. A wet installation can also cause a new roof to fail. All shingle manufacturers honor the warranty whether their products are used for a reroof or a new roof.

Leak around a dormer which the homeowner never knew about long term effects of shingling over shingles. Can metal roofs be installed over shingles. That s also why building codes commonly limit re roofing to no more than two layers. Remove air vents and pipe flashings by prying out or unscrewing the fasteners holding the fixture.

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. Remove the ridge caps. Use a flat pry bar. This can lead to increased rot mold and decrease the structural integrity of your home.

If you re considering getting a metal roof you may be wondering if you can install it over shingles. On 2018 05 09 by christie. Yes you can install a metal roof over shingles. On 2018 11 30 03 51 02 809154 by mod reroofing over wet shingles.