Installing Roofing Over Existing Shingles

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Double Bubble Install2 Png 95241 399 236 Metal Roof Over Shingles Metal Roof Diy Metal Roof

Double Bubble Install2 Png 95241 399 236 Metal Roof Over Shingles Metal Roof Diy Metal Roof

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Can You Install A Metal Roof Over Shingles Absolutely Call And Ask Us How 5738034700 Metalroof Metal Roof Over Shingles Metal Roof Metal Roof Installation

When you should tear off your roof and start from scratch instead.

Installing roofing over existing shingles.

Address any existing roof leaks and replace rotten rafters or. Installation is easier than for a tear off job because you can use the existing shingles as guides for laying the new ones. When roofing over your existing shingles can be a good idea. But first here are a few precautions about the underlying material.

The felt should be secured every six inches with nails or staples. 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. Asphalt roofs typically last 20 to 30 years depending on the installation and shingle quality. Many arizona homeowners with shingle roofs do decide to roof over their existing shingles because.

A steel roof is a lifetime investment lasting 50 years or more if it s a good one. Why installing new shingles over old shingles can be good. If conditions are right new shingles laid over old shingles can be just as attractive and durable as shingles laid on bare sheathing. Let s start with the good.

But you must take care to install shingles correctly so they lie flat. All shingle manufacturers honor the warranty whether their products are used for a reroof or a new roof. Doesn t provide the flattest surface for the metal roofing to be installed over each course of shingles is about a 1 8 higher than the course just below it. This is what it looks like when you install a steel shingle roof system over an existing asphalt shingle roof.

We re going to break them down so you know what to look out for. Installation of metal roofing over shingles. If you choose to install metal roofing over shingles there are certain things you must keep in mind. The layers of felt should be overlapped by 1 inch as you work toward the roof ridge.

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. 3 install 1x4 purlins down over the shingles before installing the metal roof the third way to install a metal roof over shingles is by applying 1x4 purlins over the shingle roof.

Can You Install Metal Roofing Directly Over Shingles In 2020 Metal Roof Over Shingles Metal Roof Installation Metal Roof Panels

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