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1. colonyroofers.com › learningcenter › new-shingles-over-existingFAQ: Can You Put New Roofing Shingles Over Existing Shingles?

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   1 Ιουλ 2024 · Sure, you can put new roof shingles over the old ones sometimes! It's important to know when this is a good idea and when it might not be the best choice. This strategy is called a nail-over reroof, and that means you're installing new asphalt shingles right on top of the existing ones.

2. www.gaf.com › en-us › blogCan You Put New Shingles over Old Shingles? - GAF

   www.gaf.com › en-us › blog

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   13 Σεπ 2023 · So the short answer is: yes, it's possible to install new roof shingles on top of existing ones. But . . . specific conditions must be met and the following considerations must be taken into account: Local Codes and Roof Condition Considerations. First, you need to understand your local building codes.

3. lyonsroofing.com › can-i-install-a-new-shingle-roof-over-my-existing-roofCan I Install a New Shingle Roof Over My Existing Roof?

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   You need to tear off the roof and install a new one. Current shingles are curling or in bad shape – The new shingle roof should lay flat on your old one. But if the current roof is curling, this isn’t possible. You’re better off removing the old roof.

4. www.bhg.com › home-improvement › exteriorsExpert Tips for Roofing Over Existing Shingles - Better Homes &...

   www.bhg.com › home-improvement › exteriors

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   3 Αυγ 2022 · Installation is easier than for a tear-off job, since you can use the existing shingles as guides for laying the new ones. However, you must take care to install shingles correctly so they lie flat. And a good job involves installing new flashings rather than relying on the existing ones.

5. homeinspectioninsider.com › shingle-over-existing-roof-shinglesCan You Shingle Over Existing Roof Shingles: Complete Guide

   homeinspectioninsider.com › shingle-over-existing-roof-shingles

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   15 Ιαν 2024 · You can build a roof over an existing roof. But, to be clear, installing a new roof over an old one is a purely exclusive process for roof materials in the form of shingles, like asphalt, wood, and metal. Installing a new roof over an old one is also known as reroofing.

6. www.fidelityroofing.net › roof-over-existing-shinglesRoof Over Existing Shingles: Pros, Cons, and Expert Advice

   www.fidelityroofing.net › roof-over-existing-shingles

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   Installing Shingles: Next, they install the new shingles over the old ones, using long nails to penetrate through to the roof deck. Flashing and Ventilation: The roofers will install flashing around chimneys, vents, and other roof penetrations.

7. www.roofersguild.com › can-you-put-new-shingles-on-top-of-old-onesCan You Put New Shingles On Top of Old Ones? - Roofers Guild

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   25 Αυγ 2023 · Placing old shingles over new ones is only possible with asphalt shingles, also known as composition shingles. You cannot place a new layer over top of slate or wood, and you should definitely never mix materials like laying asphalt shingles over cedar shakes.