How Leagl Is 3 Layers Of Shingles On A Roof

Asphalt shingles come in two major types 3 tab and architectural.

How leagl is 3 layers of shingles on a roof. For example there s a starter course of roofing shingles installed at the eaves before the roofing shingles you can see. Ultimately it s best to work with a roofing professional to determine if your roof is eligible for re roofing. When to consider re roofing. Re roof or strip the roof down.

According to the international existing building code homes can be re roofed one time by applying a second layer of roof shingles over the existing one but after that application begins to wear both layers need to be removed before a brand new. Now you just have to decide whether to remove the existing roof shingles or recover the roof. If you have done some serious research on roofing then you have probably heard about adding a second layer of shingles on top of the old ones. 3 tabs are less expensive but also less durable have lower wind resistance and have a flatter appearance.

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. Layers of shingles on top of each other shorten the life of the roof due to the newest layer sitting on an uneven lower surfaces. Roof maintenance is a major part of any homeowner s responsibility. When i started my real estate career i sold homes with three layers of roofing.

Posted july 31 2018 by onpage marie. And roofing guidelines are no exception to the rule. If so you ll likely save quite a bit of money by leaving your existing roofing system in place beneath a new layer of shingles. So we ll start at the bottom of the deck and work our way up through all the roofing layers until we reach the shingles and sunshine above your roof.

Most cities and towns allow a maximum of two layers of shingles says chad muth president of muth company roofing in westerville ohio. 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. 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.

A roof is one of the most vital components of a house. 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. 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. Sometimes even with composition shingles also known as asphalt shingles over wood shake shingles.

This is especially true if you ve overlayed your new shingles on top of warped shingles. The best life will come from removing all the old layers down to roof boards or sheathing and then laying down the new roof on a well repaired flat surface. It used to be common practice to install one layer of roofing over another.