Determine if the existing shingles need to be removed.
How to take shingles off a roof.
Remove shingles in a 2 to 3 ft wide section as you work down the roof.
Use these tips to remove those old shingles from your roof.
In some cases you can.
If you re in doubt an experienced contractor can help you understand the pros and cons of installing new shingles on top of the old ones.
Continue tearing off the shingles and underlayment until you reach the roof jacks then start over at the top of the roof.
Replacing them within the time frame of the lifespan will allow you to take a proactive approach to prevent any leaks to your roof.
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The essential process you ll follow to tear shingles off a roof is listed below with a detailed explanation of each step.
Removing asphalt shingles is a big job and you might be temped simply to lay the new roof over the old one.
How to remove old asphalt shingles before putting on a new roof.