Can I Put Two Layers Of Shingles On My Roof

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

Can i put two layers of shingles on my roof.

Replacing a roof can be very expensive and exhausting at the same time. Two roof layers can work if the existing roof. 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. For many years it was acceptable to put even the third layer.

Now you just have to decide whether to remove the existing roof shingles or recover the roof. 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. 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. Asphalt shingles typically can have one more layer added over the top two roofs total.

Eliminating the tearoff can easily save 1 000 or more on a new roof but you re really just delaying the cost. 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. 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. That limit pertains to roofs with up to a 4 12 pitch.

Saving money is the name of the game with many home repairs. 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. 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. 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.

This is especially true if you ve overlayed your new shingles on top of warped shingles. Posted july 31 2018 by onpage marie. Most building codes allow up to two layers of organic or fiberglass asphalt shingles. A roof is one of the most vital components of a house.

Steep sloped roof products such as tile slate metal and shakes only allow one 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. On most flat roofs such as epdm tpo or modified it is perfectly acceptable to two layers of roofing.