Can I Put Two Layers Of Shingles On My 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.

Can i put two layers of shingles on my roof.

On most flat roofs such as epdm tpo or modified it is perfectly acceptable to two layers of roofing. When it s time to replace your roof there are several factors that might lead your roofing professional to recommend adding shingles on top of your existing layers. If the structure can support the added weight a typical 20 square 2 000 square foot reroof will cost at least 1 000 less than a tear off job. Asphalt shingles typically can have one more layer added over the top two roofs total.

Posted july 31 2018 by onpage marie. Eliminating the tearoff can easily save 1 000 or more on a new roof but you re really just delaying the cost. Pros and cons of adding a second layer of 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.

A roof is one of the most vital components of a house. Two roof layers can work if the existing roof is in good condition but you shouldn t put more than two layers of shingles on your roof because of the weight. There are two ways of looking at it scrimp and cut corners to save up front or do the job right and maintain it so you won t have costs in the future. 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.

For many years it was acceptable to put even the third layer. When it s time to replace the roof again and you have no choice but to start anew two layers is the maximum allowed in most areas you ll have to pay extra for the two layer tearoff and disposal. Adding another layer of shingles seems like it would save you money by not having to pay your contractor to tear off your old roof. Now you just have to decide whether to remove the existing roof shingles or recover the roof.

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. Replacing a roof can be very expensive and exhausting at the same time. That limit pertains to roofs with up to a 4 12 pitch. Most cities and towns allow a maximum of two layers of shingles says chad muth president of muth company roofing in westerville ohio.

Two roof layers can work if the existing roof. This is especially true if you ve overlayed your new shingles on top of warped shingles. Reroofing a home is something ambitious homeowners can do and you can save time and energy by installing the new shingles over the old ones.