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There are a lot of variables to this answer and there is no hard and fast rule when it comes to roofing. The first step is for your roofer to identify what type of shingle you have. The two most common types of shingles are 3-tab and Architectural.
In general, a 3-tab roof will last somewhere around 15 years. An Architectural roof will typically last around 20-25 years. (See the next sections for identifying your roof.) There are many variables that will cause a roof to either deteriorate faster or last longer. Attic ventilation, installation, sun vs shade, and quality of substrate are just a few.
If your roof is over 15 years old, an onsite inspection by a roofing company is recommended to assess your roof condition.
A 3-tab roof will look like this picture. It has a very flat and plain appearance.
It will typically start to show staining on shady areas or on the north-facing slope after just a few years. You will be able to see imperfections in the decking very easily. 3-tab shingles are very susceptible to wind and hail damage.
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An Architectural shingle, pictured to the right, will have a more three-dimensional look.
There will not be any "tabs." They are generally more visually appealing, more resistant to staining, and will perform better than a 3-tab shingle in every scenario if installed correctly.
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How important is your warranty to you? What most roofers trying to sell you a warranty won't tell you, is that lack of ventilation or improper ventilation setup will cause your manufacturer warranty to be voided as soon as your new roof is installed. An attic inspection by your roof estimator is required to determine if you have a balanced airflow system.
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To get a free quote, please contact us at your convenience. We look forward to serving you.
