How Many Layers Of Roof Shingles Are Allowed In New York

December 18 2019 by taylor made roofing signs that your roof has reached the end of its life are typically fairly obvious.

How many layers of roof shingles are allowed in new york.

Asphalt shingles typically can have one more layer added over the top two roofs total. Once you have discovered how many layers of roof shingles are allowed the next decision you should make is whether you will have the existing shingles completely removed to make way for two or three new layers or whether you will have another layer of shingles placed on top of the existing layer. For example cedar or tile roofs are only allowed one layer. How many layers of shingles are allowed on a roof.

Steep sloped roof products such as tile slate metal and shakes only allow one layer. On most flat roofs such as epdm tpo or modified it is perfectly acceptable to two layers of roofing. Most building codes allow this but is it a good idea. Done correctly a reroof job will look as good and last as long as a new roof for a lot less money and a lot less hassle.

Pros to overlaying a shingle roof. For many years it was acceptable to put even the third layer. First of all multiple layers of shingles simply means layering a new asphalt shingle roof on top of the old one rather than stripping the roof completely to expose the sheathing and replacing it with new shingles. Having the old shingles removed before the new shingles are.

However this depends upon the roof materials. 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. Here are the pros and cons. Advantages of reroofing most building codes allow two layers of organic or fiberglass asphalt shingles on roofs with a 4 12 pitch or less and three layers on steeper roofs.

In the portland area as of 2018 the current code allows up to three layers if the current layer is in good condition. Most cities and towns allow a maximum of two layers of shingles says chad muth president of muth company roofing in westerville ohio. Now you just have to decide whether to remove the existing roof shingles or recover the roof. Although the new york state building code does allow for up to two layers of roof materials.

Once you have discovered how many layers of roof shingles are allowed the next decision you should make is whether you will have the existing shingles completely removed to make way for new shingles or whether you will have another layer of shingles placed on top of the existing layer.