How Many Layers Of Shingles Are Allowed On A Roof In Ohio

Re roof or strip the roof down.

How many layers of shingles are allowed on a roof in ohio.

The soundness of the building you re re roofing is another consideration. Adding a second or third layer of shingles adds significant weight to the structure. If the roof is say eight years old it probably just needs a repair. I live in milford pa how many layer of asphalt are allowed on a roof.

Now you just have to decide whether to remove the existing roof shingles or recover the roof. I m not sure about milford but i personally would never have more than 2 layers for all the reasons stated in my post above. If it s 15 years old and they ve noticed loose granules washing off the shingles or running out of the downspouts it s a reroof candidate. 907 3 recovering versus replacement.

Three layers of roof shingles too many for an insurance company. For example cedar or tile roofs are only allowed one layer. 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. 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.

How many layers of shingles are allowed on a roof. The average 30 square roof uses 90 bundles of shingles and a bundle of asphalt roofing shingles weighs about 100 pounds which means you re putting roughly 9 000 additional pounds of weight on your roof. Consistent leaks shingle loss and mold growth can all point to the need for a new roof. Steep sloped roof products such as tile slate metal and shakes only allow one layer.

Other factors to consider. On most flat roofs such as epdm tpo or modified it is perfectly acceptable to two layers of roofing. If the current roof is in poor shape re covering may not be a sound choice. How many layers of fiberglass shingles can i put on a roof without removing the existing roof coverings.

When they tell me what neighborhood they re in i can also make a good guess about how many layers of shingles are already on the roof. Most cities and towns allow a maximum of two layers of shingles says chad muth president of muth company roofing in westerville ohio. For many years it was acceptable to put even the third layer. New roof coverings shall not be installed without first removing all existing layers of roof coverings where any of the following conditions exist.