Now you just have to decide whether to remove the existing roof shingles or recover the roof.
Multiple layers of roofing.
For example towns in climates with heavy hailstorm activity or significant ice dam problems may not allow multiple roofing layers.
If the roof has multiple layers typically the insurance company will only insure the top layer.
Roofing contractor ct the problem with 2nd layers multiple layers on your roof duration.
Two layers is the maximum in most areas but some building codes allow only one.
Your three layer roof is definitely a potential structural concern and homeowners insurance companies might consider three layers of roof shingles.
Roofing layers from the framing to the shingles.
That limit pertains to roofs with up to a 4 12 pitch.
This is especially true if you ve overlayed your new shingles on top of warped shingles.
Local codes might not allow re roofing.
Shingles are the element that most homeowners are familiar with as it is the layer you can see from the outside of your home and it is an important aesthetic aspect.
A re roof might not look good on an inspection report.
But contractors who spoke with angie s list say best practices call for stripping the roof down to the wood deck to inspect it before installing a new roof.
There are multiple layers of materials and they have to be installed in the right sequence and the right way in order to withstand harsh weather and keep your home dry.
Most building codes allow up to two layers of organic or fiberglass asphalt shingles.
Most cities and towns allow a maximum of two layers of shingles says chad muth president of muth company roofing in westerville ohio.
If it needs to be replaced the insurance policy will only cover the replacement of the top layer.
For example there s a starter course of roofing shingles installed at the eaves before the roofing shingles you can see.
Asphalt shingles come in two major types 3 tab and architectural.
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Benefits of adding multiple shingle layers.
How many layers of shingles are allowed on a roof.
3 tabs are less expensive but also less durable have lower wind resistance and have a flatter appearance.
Having multiple layers of shingles is going to make your roof hotter because the heat gets trapped between the layers which could mean premature aging of the shingles.