A tear-off removes the old roofing down to the deck. An overlay puts new roofing directly over the old layer. In Florida, the right choice depends on the condition of the deck, local code and how much moisture the old roof has held.
If you are weighing a new roof, our roof replacement services are a good place to start. Talk with a roofer who looks under the shingles before you decide anything.
What a tear-off means
A tear-off strips every layer of old roofing off the home. The crew then checks the roof deck, which is the wood or panel base under the shingles. Damaged boards are replaced, underlayment goes down, and the new roofing follows.
The big advantage is that you can see the deck. Problems often hide under the old layer. A tear-off lets the roofer find soft wood, rusted nails and gaps before they become leaks.
What an overlay means
An overlay keeps the existing roofing in place and adds a new layer on top. It creates less debris and can seem faster on paper. Some homeowners choose it to avoid the cost of removal, though it should be compared by full scope, not by one line item.
The downside is that an overlay hides what is underneath. Soft spots, rot and trapped water stay out of sight. The roof also carries more weight with every added layer.
Why hidden decking matters
Roof decking can rot from slow leaks that never show a clear stain. Water that gets trapped under the shingles can age the deck and the insulation below it. Nails can rust and lose their grip. Over time, the roof may feel solid while the boards underneath are failing.
Florida adds extra stress. Heat and humidity keep the attic warm and damp. Storm rain can push water under flashing and into small gaps. Ask how the attic ventilation will work with the new roof, whichever option you pick.
Weight, layers and local code
Each layer of roofing adds load to the framing. A house built for one layer may not handle several more well. If you notice sagging, ask for the framing to be checked before any new roofing goes on.
Many local codes limit how many layers of roofing can stay on a home. Check the rule for your city or county. Your roofer should know the local requirement and be able to explain it in plain terms.
Florida wind and storms
Wind is a major concern on the Treasure Coast. Uplift can lift loose shingles and pull at the edges of the roof. The way the new roofing is fastened to the deck matters as much as the shingle itself. Ask how the nails, underlayment and edge metal will be installed.
After a storm, damage can hide under several layers. An inspection shows the full picture. Our storm and emergency roof repair team is available 24/7 when you need help fast.
Insurance questions
Some insurers have rules about roof age, roof condition or the number of layers. Policy wording varies, so read yours carefully. Ask your insurer what they require before you choose an option. Keep written records of every inspection, estimate and invoice.
Do not assume that a particular option will be accepted by your insurer. Ask for the rules in writing. A written answer is much easier to use later than a verbal one.
Questions to ask a contractor who suggests an overlay
- What is the condition of the deck under the old roof?
- Did you check for soft spots, rot and moisture in the attic?
- Does local code allow another layer of roofing?
- How will the flashing, vents and ridge be handled?
- Will the estimate be written and itemized?
- Who pulls the permit and schedules the inspections?
Signs your roof may need a tear-off
- Soft spots or bounce when you walk the roof
- Water stains on ceilings or walls
- Curling, cracked or missing shingles
- A musty smell in the attic
- Daylight visible through the decking from inside the attic
Never walk on a roof that feels soft or unsafe. Call a professional and let them check it from a safe position.
Compare the scope, not just the number
Compare each option by what it includes. Look for removal, deck repair, underlayment, flashing, ventilation and cleanup. A lower bid can leave out important work. A written, itemized estimate makes the comparison fair.
Ask each roofer to explain the reasons behind their recommendation. A good roofer will talk through the trade-offs in plain language and will not rush you into a decision.
Roofing across the Treasure Coast
Homes in St. Lucie, Martin, Palm Beach and Indian River Counties face the same heavy rain and wind. Dalton Roofing Inc is family-owned and based in Fort Pierce. We serve Port St. Lucie, Stuart, Jupiter, Wellington and nearby cities. For more on this topic, read our guide on roof repair vs. replacement.
English and Spanish are spoken on our team. Se habla espanol.
Get a clear answer for your roof
Not sure which path fits your home? Start with an inspection. Dalton Roofing Inc offers a free roof inspection with a written summary and no obligation. Estimates are written and itemized after the inspection, so you can compare options side by side.
Call Dalton Roofing Inc at (561) 662-6622 to schedule your free roof inspection. We are happy to talk through your options.
Frequently Asked Questions
What is the difference between a tear-off and an overlay?
A tear-off removes the old roofing down to the deck so the roofer can inspect and repair it. An overlay installs new roofing directly over the existing layer without removing it.
Why does the roof deck matter so much in Florida?
Hidden leaks can rot the deck and age the insulation below it. Florida heat and humidity can trap moisture in the attic, so the deck condition should be checked before any new roofing goes on.
Can I always put a new roof over an old one?
Not always. Many local codes limit how many layers of roofing can stay on a home. Check the rule for your city or county, and ask your roofer to explain it.
Does Dalton Roofing offer a free inspection?
Yes. Dalton Roofing Inc offers a free roof inspection with a written summary and no obligation. Call (561) 662-6622 to schedule one.