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Table of ContentsWhy You Shouldn't Reshingle Over Old ShinglesPros And Cons Of A New Roof Vs. OverlayA Guide To Roofing Over Existing ShinglesDon't Put New Roof Sheathing Over Old

If you know it's time for a brand-new shingle roofing system or perhaps a tile roofing system on your house, you might have heard that you can just put a new layer of shingles over the existing one. But is this real? In brief,, however doing so may not constantly be an excellent idea.

Can You Put New Roofing Shingles Over Old Ones?

Let's begin with the good. Lots of Arizona house owners with shingle roofings do decide to roofing over their existing shingles due to the fact that:. You can conserve cash because there's no dump fee for removing your old roofing, and there's no requirement for additional felt paper over the old roofing. Setting up a brand-new roofing system over shingles takes less time than tearing off the old roofing.

Re-roofing Over Existing Shingles

Producers will still guarantee the roofing for the exact same amount of time as a re-roof, as long as it's done by a qualified installer. Presuming your old roof is in excellent shape, the extra layer can function as included security in case a top shingle gets blown off in a storm.

But there are also times when it's not the right thing to do. Even with all the benefits of setting up brand-new shingles over old ones, there are times when it's better (or perhaps needed) to detach the old roof and begin fresh. Here are some reasons to do that.

Can You Lay New Roofing Over Existing Shingles?

So if there are already 2 layers, the choice is produced you. You need to detach the roofing system and set up a brand-new one. - The new shingle roofing system must lay flat on your old one. roof inspection - DC Roofing of Arizona However if the existing roofing is curling, this isn't possible. You're better off removing the old roofing.

How To Install Asphalt Roofing Shingles

Putting a new roofing over a leaking roof will not eliminate the leaks. - If, when strolling on your roof, the bulk of it feels soft and spongy, you might have some problems with the underlying sheathing of the roof. To fix it, you'll need to get rid of the existing roofing. - Shingles might not seem like they weigh much, but the shingles required to cover a typical 2000 square foot roof can weigh in around 5000 pounds.

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So make sure the underlying structure of your roofing can support another layer prior to setting up over your existing roof. You do not need to think whether you need to detach your old roof or lay brand-new shingles over it. Lyons Roofing offers totally free assessments where we'll carefully examine your roof's condition and walk you through your choices.

Picking a roofing replacement strategy can be a challenging proposal for numerous property owners. In the majority of scenarios, roofing contractors will advise a full roof replacement, but in specific scenarios a simpler re-roofing job might be deemed better. This will be largely depending on the existing roofing's age and total quality, along with from the condition of your house as a whole.

While a repair job can typically be easier and rather more cost-effective, positioning new shingles over old ones is never an excellent idea. Whether fixing one section of roofing, or a replacing a whole one, it's always best to pull up the old shingles before putting down the brand-new ones.

When shingles are forced onto bumpy or gap-filled structures, the old flaps will telegraph through to the brand-new layer, making the leading layer much harder to protect. This will likely cause problems later on as the shingles end up being more difficult to mount correctly and properly. Old shingles forbid professionals from properly examining the condition of the existing roofing system.

Can You Re-roof Over Your Old Roof?

Without beginning with the base, a professional will be not able to tell if your home has the proper foundations in place before beginning the project, which could result in costly repairs in the future. In the long run, overlaying can be extremely more expensive than replacement. Saving a thousand dollars from a basic re-roofing may sound appealing now, however the associated expenses from a later replacement due to the bad foundation certainly won't.

Besides, every roofing gets changed ultimately: by getting a re-roof instead of a complete replacement, you'll only be postponing the inevitable disposal charge, not stopping it. Overlaying shingles avoids roofing professionals from effectively installing water and ice leakage barriers. If you live in an area with ruthless winter seasons or other environmental concerns, water leakage barriers are vital as they ensure that ice does not leakage under the old shingles.

Adding a second layer to your roof just increases that pressure, and can trigger more roofing problems, particularly if the area you reside in gets a terrific deal of snow each year. Even for midsize homes, the addition of another roofing system's worth of weight can cause a variety of problems when winter arrives.

Prior to any roofing installation, it's constantly clever to consult the producer initially about the requirements and all service warranty concerns to avoid any miscommunications later. Specific geographic locations will have guidelines regarding the number of roofing layers are enabled on structures. While some structure codes may permit re-roofing, others might just permit one layer of shingles.

If you intend on relocating the future, re-roofing could reduce your house's value and make it more difficult to offer. Although re-roofing will not impact the present homeowners, new owners will be required to detach two layers of shingles later. For this factor, numerous home inspectors will report 2 layer roofings and inform interested buyers about the issues that re-roofing brings with it.

New Roofing: Tear Off Vs. Overlay

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DC Roofing of Arizona

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jenslphotography/ Adobe Stock By changing your damaged roof, you'll be giving your house much better defense from the components and improving its visual appeals. If your shingle roofing system is revealing indications of wear, there's more than one method to renew it. Having a full tearoff will give you all the benefits of a brand new roofing.