Install a layer of roofing felt over the roof before you begin installing the new shingles.
Putting shingles over old shingles on garage roof.
The color is the same but.
If conditions are right new shingles laid over old shingles can be just as attractive and durable as shingles laid on bare sheathing.
In this video we provide details on how to install roof shingles over existing shingles.
The shingles covering the peak of the roof do not look like all the other shingles on my roof.
Finally i had time to put the video clips together.
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.
Four years after installing my new shingles they re still nice.
Damaged shingles should be removed to check the decking for problems.
But you must take care to install shingles correctly so they lie flat.
Adding new roofing over old sometimes called a re roof is possible only with asphalt shingles also called composition shingles.
For instance instead of just one roof on your home you now basically have two.
Long term effects of shingling over shingles.
The felt should be secured every six inches with nails or staples.
Before you begin installing the new shingles be sure to inspect the roof for any damage.
Please click show more below to know.
Then we ll look a lot more reasons why you might not want to do this.
Is it okay to put the new shingles right over the old ones.
The answer is yes you can lay new roof shingles over old ones.
Installation is easier than for a tear off job because you can use the existing shingles as guides for laying the new ones.
If you need to redo your roof you might be tempted to save some.
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.
After the beating it took this winter our roof needs to be replaced.
Step 3 cover the old shingles.
All shingle manufacturers honor the warranty whether their products are used for a reroof or a new roof.
We discuss the nesting method which helps minimize an uneven appear.
To level out an existing asphalt shingle roof rip down reduce the height of two courses of shingles as shown in the drawing below.
That s a lot of extra weight putting added stress on the roof decking.
Damaged decking will need to be repaired before you can install any new shingles.
But before we get started one thing must be clear.
Because asphalt shingles are routinely exposed 5 in rip down the first strip the starter course so that it is 5 in.