Roofing Over Old Wet Shingles

Remove air vents and pipe flashings by prying out or unscrewing the fasteners holding the fixture.

Roofing over old wet shingles.

On 2018 11 29 by diane. 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. Not if you re following the manufacturer s installation recommendations.

Yes you can install a metal roof over 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. 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. All shingle manufacturers honor the warranty whether their products are used for a reroof or a new roof.

If a shingle is. 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. How to do it remove caps. Can reroofing be done over wet shingles.

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

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. On 2018 05 09 by christie. Use a flat pry bar. When roofing over your existing shingles can be a good idea.

Why installing new shingles over old shingles can be good. Can you have 1 layer of asphalt shingles on one side and 2 layers of shingles on the other side. 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. A wet installation can also cause a new roof to fail.

Is it okay to put the new shingles right over the old ones. If you re considering getting a metal roof you may be wondering if you can install it over 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. Shingles and roofing materials may not adhere properly to slick surfaces with high humidity.

This can lead to increased rot mold and decrease the structural integrity of your home. Remove the ridge caps. Many arizona homeowners with shingle roofs do decide to roof over their existing shingles because. 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.