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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 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.
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.
8 ώρες πριν · 2. Time-Saving. Roofing over is a quicker process compared to a full replacement. The time saved can be beneficial, especially for homeowners looking to minimize disruptions in their daily lives. 3. Enhanced Insulation. Adding a layer of shingles can provide additional insulation, helping to improve energy efficiency.
When putting new shingles over old ones, it is important to have a relatively smooth surface to work with. For example, if a shingle is cracked, torn or broken, it is important to replace the shingle or to use roofing cement to secure it. Install ice and water barrier.
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.
The answer is yes, you can lay new roof shingles over old ones. Now that we've taken care of the primary question at hand, we'll consider a couple of reasons why you might want to do this. Then we'll look a lot more reasons why you might not want to do this.
