A layover can be cheaper today, and it is rarely the choice that serves the house or the next roof.
Usually yes, physically, and usually no, sensibly. A layover, also called a re-roof or an overlay, is generally possible where the roof carries only one existing layer and the deck underneath is sound, and it is cheaper today. It is not what we recommend, because it covers up whatever the deck is doing, adds weight, traps heat that shortens the new shingles' life, can void manufacturer warranties, and makes the next tear-off cost more.
A layover is a new layer of shingles installed directly over the old ones, with no tear-off. The old shingles stay on the deck, the new roofing nails through them into the wood below, and the roof ends up carrying two layers of material instead of one. Recognize the word by name if a contractor uses it in a quote or a conversation, because it describes a specific, narrower job than a full replacement even when both get called "a new roof."
With the old shingles left in place, the plywood underneath never gets looked at. Rotten sheathing stays rotten under a new roof, and you find out later, usually as a leak or a soft spot, and it costs more to fix at that point than it would have during the job.
Step flashing at sidewalls, chimney flashing, pipe boots. A layover typically works around this instead of replacing it. Flashing failure is where most new roofs start leaking, so this is the big one.
Two layers of asphalt run hotter in the sun than one, and the new shingles age faster underneath that heat. You may not get the service life the shingle warranty assumes.
Two layers of shingles is a real, sustained load on the roof framing, and a third layer is generally not permitted anywhere. Once a roof is carrying two layers, the next job has to be a tear-off no matter what.
The fifth cost shows up later, not today: whoever eventually tears off two layers charges roughly double the tear-off labor and disposal, since there is twice the material to strip and haul away. The cheaper roof now becomes the more expensive roof later, paid by whoever owns the house at that point.
We are not going to pretend the answer is always the expensive one, because sometimes it is not. A layover is defensible when all of the following are true: the roof carries exactly one existing layer, the deck is genuinely sound and that has been confirmed by inspection rather than assumed, the existing flashing is in good condition and can be properly integrated, and the homeowner has a short ownership horizon or a real budget constraint and understands the trade. We will do the job. What we will not do is let you sign up for it without telling you plainly what you are giving up.
The practical takeaway: a quote noticeably cheaper than the others that does not use the words tear-off, decking or flashing is very likely pricing a layover, whether or not the word ever appears on the page. Ask directly. Is this a tear-off. How many layers are coming off. Is the flashing new. Those three questions tell you which job you are actually being quoted, and our pages on what a roofing quote should include and why roofing quotes vary so much go through the rest of what to check.
Two quotes for the same house are only comparable once you know they are pricing the same job. A layover and a tear-off replacement are different scopes of work, not different prices for the same scope, and the gap between them almost never gets explained unless you ask.
One more thing worth knowing before you go looking for a shortcut: a roof already carrying two layers cannot take a third. At that point the next roof is a tear-off regardless of what anyone quotes, because there is no cheaper option left on the table.
The reliable way is an inspection, since a roofer can check directly from the roof or the attic. Sometimes it is visible from the ground too, at the roof edge along the rake, where two stacked layers of shingle thickness show as a noticeably thicker edge than a single layer. If you are not sure, our free roof inspection answers it along with the rest of the roof's condition.
It can, in general terms. Some manufacturers restrict or void coverage on shingles installed over an existing layer, and the specifics depend on the product and the manufacturer. Check the warranty document itself rather than taking anyone's word for it, including ours, before you decide.
Yes, in the sense that a roof already carrying two layers cannot legally or physically take a third, so at that point a full tear-off is the only option regardless of budget. A layover can also need to come off sooner than planned if a later inspection finds the covered deck or flashing failing underneath it.
These are the reviews our customers left on Google. There are nine of them, we publish all nine, and we do not post a star rating we cannot verify.
Frank was excellent to deal with. I am doing my roof, siding and windows. We went through all the materials being used in great detail. He provided samples so I can see, touch and feel them for myself. He was not pushy or aggressive to sell me this job.
I would like to give a huge shout out to Coast 2 Coast Roofing & Exteriors! They did such an AMAZING job on our home. Please see our before and after pictures of our vinyl siding. They also did outdoor lighting and some home improvements. This company was reasonable, reliable, knowledgeable, efficient, clean and organized, and most of all great customer service! I highly recommend this company
They are courteous and professional and they get the job in the time they tell you that they are gonna get done. Overall, very satisfied with my window installation and porch renovation!
Start with the free inspection. You will get photos of what we found and a written scope you can read line by line, whether or not you hire us.
