Roofing Experts Avoid Laying New Shingles Over The Old

In November 14, 2016
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Roofing Experts Avoid Laying New Shingles Over The OldMany customers want their roofing contractor to lay new shingles over the old ones. It is a cost-effective method that many try to embrace in the hopes of saving money. However, it is like putting lipstick on a pig. Why would you want too? Yes, it will work if the shingles are asphalt, and replaced with asphalt. However, it is not a wise move.

Some people think that this will give their home an extra waterproof barrier. They want to avoid the tear off process and save money too. Both of these benefits have caveats. Even when laying a set of shingles on top of another, the roof still needs prep work. Prepping the surface includes removing vents, ridge caps and flashing. It is also necessary to repair any misshapen shingles. Leaving old shingles on the roof is only delaying the cost of tearing them off down the line. Most areas will only allow you to have a maximum of two layers. And while you may save this time around, tearing off two layers will cost you later.

Shingles lay flat, so they do not do well over bumps. They also add a great deal of weight to a home. A shingle made of good quality materials can weigh up to 450 lbs. per square. Some roofs just cannot handle the extra weight. Also, when the tear off occurs, the roofer gets to look at the sheathing underneath. If there is any rotting or a termite problem, it can easily be identified. However, leaving the shingles in place does not allow the contractor to do a valid inspection. A visual inspection is important even though weak spots in the roof are noticeable.

Re-roofing usually affects the warranty on the new shingles. Each shingle manufacturer is different. Also, some local codes do not allow more than one layer of shingles on the roof. There are many storms here in Texas, and it is not uncommon to have damage from the storms. While it seems like a great way to save money, it will end up costing you much more in the end.

Our roofing experts can answer any questions you have about your roof. Do not delay, contact us today!

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Located in Addison, TX, Zip Roofing has over 50 years of roofing experience. Our expert team of roofing professionals is dedicated to providing reliable residential and commercial roofing solutions to properties damaged by severe weather events. We offer Free Estimates utilizing a thorough on site inspection and the same latest software as your insurance company. Learn More!

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Your roof consultant provided us with a comprehensive and competitive price quote on the same day he first came to our house. Additionally, he provided estimates for a number of different roofing products which greatly assisted us in our decision making regarding this project. We would highly recommend you to anyone interested in installing a new roof.
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5057 Keller Springs Road Suite 300,
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