Roof Recover Overlay in Houston, TX

Roof Recover and Overlay for Houston Commercial Buildings
A roof recover, sometimes called an overlay or a re-cover, installs a complete new roof system directly over the existing one without tearing the old roof off to the deck. Done on the right building, it is faster, cleaner, and less disruptive than a full replacement, and it keeps a mountain of material out of the landfill. We evaluate, design, and install recover systems on flat and low-slope commercial roofs throughout the metro for owners who want a new, warrantied roof without the cost and downtime of a tear-off, but only where the existing roof is genuinely a sound base. That last condition is the whole job, and it is where an honest assessment earns its keep.
What a Recover Actually Is
In a recover, the old membrane stays in place and becomes part of the assembly. We typically add a new layer of cover board or insulation over the existing roof to create a clean, uniform substrate, then install a new membrane over the top, fully adhered or mechanically attached depending on the building and the wind exposure. The result is a brand-new roof surface with its own warranty, sitting on top of the old one. The key difference from a replacement is what does not happen: no tear-off, no exposed deck, no dumpsters full of wet insulation, and no days when the building interior is one rainstorm away from disaster.
When a Recover Is the Right Call
A recover only makes sense when the existing roof can serve as a stable, dry foundation. We confirm that before recommending it, and the criteria are specific:
The insulation below is dry. This is the deciding factor. A moisture survey has to show the existing roof is not holding water, because anything wet that gets buried under a new membrane stays wet and rots the assembly from inside.
The deck and structure are sound. The existing roof has to be well attached and the deck in good shape, because the new system can only be as secure as what it is fastened through.
The roof can take the added load. A recover adds weight, and the structure has to have the capacity for it.

Roof planning guidance

The slope and drainage are workable. If the old roof drains reasonably, a recover can keep or improve that; chronic ponding usually argues for a different approach. The Code Limit Every Owner Should Know There is a hard rule that governs this work, and it surprises owners who assume they can just keep stacking roofs. Building code allows no more than two roof membranes on a commercial building. If a roof already carries an original membrane plus one previous recover, code does not permit a third layer, and the next re-roof has to be a full tear-off down to the deck. We check this first on every recover candidate, because there is no point designing an overlay for a roof that is not legally eligible for one. Where a building is on its first roof, a recover keeps the second-layer option open and defers the eventual tear-off by many years.

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Why Recover Fits the Gulf Coast

The case for a recover is unusually strong in this climate, mostly because of what a tear-off exposes you to. The hurricane season runs from June through November, and the broader rainy stretch is long and unpredictable; tearing a roof down to bare deck in that window is a real gamble, since an afternoon storm over an open roof can flood the floors below. A recover never opens the deck, so the building stays protected from the moment work starts to the moment it finishes. The disruption stays low too, which matters for the businesses, warehouses, and institutions that cannot simply close while the roof comes off.

A recover is also a natural moment to fix the heat problem. Older commercial roofs across the metro are dark, sun-beaten, and were never built to reflect anything, and rooftop temperatures here run past 160 degrees on summer afternoons. Installing a new reflective membrane over the old roof drops surface temperature, eases cooling load through our long hot season, and moves a large commercial building toward the cool-roof reflectance direction that Texas energy code has pushed. You get a new roof and a cooler building in the same project, without ever exposing the deck.

Houston Energy Corridor commercial buildings

Recover Versus Replacement, Honestly

A recover is not always the answer, and we will say so when it is not. The defining line is moisture: if the existing insulation is saturated, no overlay will save it, and burying wet material under a new membrane only hides a failure that will resurface as leaks and rot. A roof at the two-membrane limit is likewise out of recover territory by code. And a deck or structure in poor shape needs to be uncovered and addressed, not built over. When any of those conditions are present, a full tear-off and replacement is the right and more economical path over the life of the roof, and we will recommend it plainly rather than sell an overlay that will not last.

Where Recover Works Across the Metro

Roof planning notes

Roof Scope Notes

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Request a Recover Evaluation

If your commercial roof is aging but you suspect the bones are still good, a recover may save you a tear-off and years of cost. The only way to know is to scan it for trapped moisture, check the deck and structure, and confirm how many membranes are already in place. We will do exactly that and tell you honestly whether your roof is a recover candidate or whether a replacement is the smarter call. Reach out whenever you would like us to take a look and we will arrange an evaluation. Talk with a Houston commercial roofing team