







Free written scope consultation - allowances, timeline, and change-order rules on paper before a single trade is scheduled
Therma-Tru Construction in Doral, FL | Mason Remodeling Co Miami
We provide independent Therma-Tru door installation, repair, and replacement across Doral. We’re not factory-authorized, and we won’t pretend to be. What we are is a local crew that has rebuilt door openings and installed Therma-Tru units in hundreds of Doral homes, so we know how these fiberglass doors handle our humidity, salt air, and hurricane-driven rain. Call (850) 780-8123 for a written estimate on any Therma-Tru job in Doral.

Why Doral Residents Choose Us for Therma-Tru Service

Therma-Tru doors are only as good as the opening they sit in. That matters more in Doral than almost anywhere else in Miami-Dade, because our soil moves. Isaac Pruett, owner of Mason Remodeling Co Miami and a General Contractor in Doral, started framing houses in Los Angeles before he could legally drive and earned his construction trade certificate from Los Angeles Trade-Technical College. After relocating to South Florida, he spent well over a decade working Miami neighborhoods, including Coconut Grove. When a Therma-Tru door in Doral fails, it’s usually the frame, the threshold, or the weatherstripping that gave out first, not the slab. We fix the whole assembly, not just the visible symptom. Our crews arrive in marked uniforms, show photo ID at the door, and you get the technician’s name and photo before we ever ring the bell. That’s the Threshold Standard on every job.
For more on what we do with these doors, see our Therma-Tru sales & service page.
Styles & brands we work with







Common Therma-Tru Construction Problems We Solve in Doral
These are the failures we see most in Doral, tied to what actually happens here:
- Warped or sagging door slabs on west-facing exposures. Doral gets intense afternoon sun, and dark factory finishes on Therma-Tru Pulse models soak that heat. A slab that bakes at 140 degrees for six hours a day can bow enough to drag on the threshold or lose its latch alignment. We check the slab with a straightedge and tell you honestly whether it’s adjustable or done.
- Failing compression weatherstripping and door sweeps. Summer storms in Doral push rain sideways. When the weatherstrip loses its memory, water blows under the door and across your floor. We replace compression seals with quality aftermarket materials that match OEM performance at a lower cost, and we set the threshold height so it actually sheds water.
- Rusting hinge plates and lock reinforcement hardware. Salt-laden humidity near the coast corrodes hardware faster than you’d expect. We see hinge plates with surface rust that seizes the hinge action and lock reinforcements that have lost their structural bite. On exterior doors, we recommend OEM Therma-Tru hinge reinforcement plates because they maintain the door’s wind-load rating.
- Fogging or seal failure in decorative glass lites. Classic-Craft units with decorative glass take repeated pressure cycling from hurricane winds. Eventually the seal between the panes fails and you get condensation inside the glass. We can replace the factory-graded lite without pulling the whole door in most cases.
- Doors out of square from foundation settling. This is a Doral-specific problem we’ll explain below, because it’s the reason half our Therma-Tru repair calls in older neighborhoods aren’t actually door problems at all.
Therma-Tru Service in Doral: What Local Conditions Mean for Your Equipment

Because Doral sits on former Everglades marshland with a shallow water table, foundations in older 1980s neighborhoods like Doral Estates are prone to subtle settling that throws Therma-Tru door frames out of square, a condition you rarely see in the coral-rock substrate of nearby Miami. The ground under a slab in Doral Estates can shift a quarter-inch over a decade, and that quarter-inch shows up at the top corner of your door frame. The slab hasn’t warped. The hinges haven’t failed. The opening itself has moved.
We know this because we’ve seen it. Our crew replaced a Therma-Tru Classic-Craft door on Northwest 97th Avenue in Doral Estates after the slab warped beyond adjustment. The house had settled over the years, and the original rough opening was 3/8″ out of square. We re-framed the opening with pressure-treated lumber, installed a new Classic-Craft mahogany-fiberglass unit with a multi-point lock and factory weatherstripping, and reused the owner’s existing Baldwin handle, then re-caulked the exterior with a marine-grade sealant to stop water wicking into the stucco. If we had just hung a new door in the old opening, it would have failed the same way within two years.
This matters for anyone in Doral with an older home: check the door frame with a level before you assume the door is bad. If the frame is out of square, replacing the slab won’t fix it. You need the opening re-framed or shimmed back to true, and that’s work we do every month as part of our Doral Bathroom Remodeling and door services.
Therma-Tru Models & Products We Service in Doral
We service the full range of Therma-Tru residential product lines, including the Classic-Craft Mahogany Collection, the Smooth-Star Series, the Pulse Series, and Benchmark by Therma-Tru. For structural components like hinge reinforcement plates, multi-point lock kits, and factory-graded glass lites, we source OEM Therma-Tru parts because they’re engineered to the door’s wind-load rating. For cosmetic or non-structural items like weatherstripping and sweeps, we stock quality aftermarket compression seals locally so turnaround in Doral is fast. We replace rather than patch when a slab shows warping or moisture intrusion into the foam core, because fiberglass repairs rarely hold up in Doral’s humidity.
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AfterTherma-Tru Service Pricing in Doral
Here are the price ranges we quote for Therma-Tru work in Doral. These assume standard residential conditions and a door opening that’s reasonably square. If your frame is out of square, the frame repair line item applies.

| Service | Price Range |
|---|---|
| Therma-Tru door installation (door only, no frame) | $400 – $1,800 |
| Therma-Tru door replacement with frame and hardware | $1,200 – $4,500 |
| Weatherstripping and threshold replacement | $150 – $600 |
| Door frame repair due to settling | $300 – $1,200 |
| Emergency storm damage board-up and temporary seal | $200 – $800 |
What drives the range is mostly the condition of the rough opening and whether we’re re-using your existing hardware or installing new. A free estimate from us includes a level check on the frame, a look at the weatherstripping and threshold, and a written line-item price before any work starts. Call (850) 780-8123 and we’ll send someone out.
Serving Doral, FL - Our Local Coverage Area
We’re based in the Doral area and know this community well. Use the map below to see our service coverage - if you’re nearby, we can almost certainly help.
FAQs – Therma-Tru Construction in Doral
A high water table means the soil under your slab stays saturated, and saturated soil compresses unevenly over time. In Doral, that shows up as door frames that drift out of square, especially in 1980s neighborhoods built on former marshland. We check the frame with a level before any installation and factor any correction into your written estimate. Call (850) 780-8123 for an exact number on your door.
Summer heat and high humidity swell the fiberglass slab and the frame together. If the door sticks only in summer and only at the top corner, the opening has likely settled slightly, and the heat is finishing the job. A quick fix is adjusting the hinge shims, but if the frame is more than a quarter-inch out of square, the real fix is re-framing. We can tell you which one you need in about ten minutes on site.
Yes. The glass lite is a separate component, and we can order a factory-graded replacement lite from Therma-Tru and swap it into the existing slab. You don’t need a new door unless the slab itself is damaged. Call (850) 780-8123 and we’ll confirm your model and get you a price.
Yes. We install exterior doors with the proper wind-load ratings for Miami-Dade County, including reinforced hinge plates and multi-point locking where required. We pull permits when the job calls for it, and every installation is covered by our written workmanship guarantee for 365 days from the completion date.
A new compression weatherstrip and a properly set threshold usually solves it. If the threshold is worn or the sweep is flattened, wind-driven rain will find its way under. We replace both with materials matched to your door model. Call (850) 780-8123 and we’ll get it taken care of before the next storm line rolls through.
Service Areas Near Doral
We work throughout Doral and the surrounding area. If you’re in Doral service area, we’re already nearby. We also serve Therma-Tru service in Miami, Therma-Tru service in Miami Beach, plus Miami Lakes, Miami Springs, and Palmetto Bay.
Book Your Therma-Tru Service in Doral Today
Tell me what you need done. I’ll tell you what it costs and when it’s finished, and I’ll mean both. That’s how Isaac Pruett runs every job, and it’s how we’ve earned our reputation in Doral. Call (850) 780-8123 for a free, written estimate on any Therma-Tru door repair or replacement. A live person answers.
Written by Isaac Pruett, Owner at Mason Remodeling Co Miami, serving Doral since 2004.











