Roofs we work on · Flat & Low Slope
Concrete Decks, Standing Water, and What the Membrane Cannot Fix
A great deal of Keys building stock is concrete with a flat or very low slope roof. Those roofs fail at drainage and at edges rather than across the field, and coating is the answer offered far more often than it is the right one.
Give us the mile marker, tell us what is on the roof now, and say whether the property is rented out. Those three shape the job.
Metal
Down here it is the normal answer, not the upsell
Load path
At these wind speeds the covering is not the real question
Out too
The old roof has to travel the whole chain to leave
Licensed
A licensed Florida general contractor
Coating over a drainage problem
Water that is still sitting on a low slope roof long after the rain has stopped is telling you about fall or about drains, not about the surface. Applying a coating over it addresses what you can see and leaves the cause exactly where it was. It is the most commonly sold work on these roofs because it is quick, visible and comparatively cheap, and on a roof whose fall has been lost it is a delay with an invoice attached.
What we establish on a low slope roof here
- Where water sits, and how long after rain it is still there.
- Whether fall was ever adequate or has been lost over time.
- Where drains and scuppers discharge, and whether they still do.
- The condition of the parapet and the edge detail, which is usually it.
- Whether the deck beneath has taken water and stayed wet.
Why flat roofs are so common in this county
Concrete construction is widespread through the Keys, and concrete buildings tend to carry flat or very low slope roofs. That makes this a much larger share of the local roof stock than it is in most of Florida.
It also changes the failure mode. A pitched roof sheds water by geometry and fails when the covering is breached. A flat roof depends on drainage working, so it fails when drainage stops working — and drainage stops working quietly, without anything looking broken.
How we handle it
- 01Diagnose the ponding before proposing any surface at all.
- 02Correct fall or drainage where that is genuinely the fault.
- 03Rebuild parapet and edge details rather than coating over them.
- 04Say plainly when a coating is buying time rather than fixing it.
On the concrete buildings here the parapet and the edge are where we find most of it. Water gets behind a parapet that was detailed optimistically and then travels inside the wall, which produces staining that appears nowhere near the roof and gets misdiagnosed as a wall problem for years.
Said plainly
Where we stop
A coating over standing water buys you time and does not solve drainage. We will quote a coating where the roof genuinely suits one, and where the real answer is fall or drains corrected we will say so — it costs more and it is the version that lasts.
FAQ
Common questions
- Is standing water always a fault?
- A little immediately after rain is normal. Water still sitting there well afterwards is telling you about fall or about drains, and that is the thing worth investigating rather than resurfacing.
- My stain is on a wall, not a ceiling. Is that still the roof?
- Frequently yes, and on a parapet building it is the classic pattern. Water gets behind the parapet detail and travels down inside the wall, appearing a long way from where it entered.
- How long does a coating last?
- It depends heavily on the substrate, the fall and how much sun the roof takes. On a sound roof it is a legitimate maintenance step. Over a drainage fault it is a countdown.
Florida Keys specifics
Metal Is the Default
In most of Florida a roofer works up from shingle to metal and metal is the premium option. In the Keys that ordering is reversed, and shingle is the specification that ought to arrive with an explanation.
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The Load Path
Monroe County carries the highest design wind speeds in Florida. What decides how a roof performs is not principally the material on top — it is whether the whole assembly stays connected to the building.
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Tear-Off Has to Leave
Roofing is the heaviest trade in construction. A re-roof brings tons of material in and sends tons of tear-off out, and on an island chain the outbound leg is a genuine cost rather than a short trip.
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Roofs Over Rentals
A large share of Keys property is rented out. On an earning building a roofing job is scheduled around a booking calendar, and a leak is a refund and a review rather than an inconvenience.
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How We Work Here
We are Fort Lauderdale based and work Monroe County in scheduled blocks with crews lodged locally. On a chain where a lot of unfamiliar companies work, being plain about that matters.
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More roofs we work on
Metal Roofs
Metal leads this list because in Monroe County it is the ordinary choice rather than the expensive one. What separates a twenty-five year metal roof from a twelve year one is almost never the panel.
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Tile Roofs
Tile appears throughout the Keys and it asks more of a building here than it does further north. Fastening is the whole conversation, and the underlayment beneath decides when the roof needs doing.
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Shingle Roofs
Shingle exists throughout the Keys and it works when it is chosen and installed deliberately. In the county with Florida's highest design wind speeds, it is the specification that ought to be explained rather than assumed.
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Next step
Find out what is actually wrong with it.
An inspection, photographs of what we found, and a written scope. If the honest answer is that it can wait another season, that is the answer you will get.