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Therma-Tru Kitchen Remodeling: The San Antonio Owner’s Guide
Therma-Tru kitchen remodeling in San Antonio typically costs $14,000 – $45,000 installed, depending on cabinet count, countertop material, and whether you’re keeping the existing footprint or moving plumbing. Most full-kitchen projects run 4 – 8 weeks from demo to final walkthrough. The most common way owners come to us is a failed cabinet hinge, a warped door, or a countertop seam that’s started pulling apart after ten or fifteen years of San Antonio heat and humidity cycling.
We don’t manufacture Therma-Tru products. Mason Remodeling Co San Antonio is an independent remodeling contractor that installs and retrofits Therma-Tru doors, hardware, and trim as part of broader kitchen work. When a Therma-Tru part fails, the question is almost never just “replace one hinge.” It’s whether the surrounding cabinetry, countertop, or moisture seal is also compromised. That’s the question we answer on every call.
Key takeaways:
- Therma-Tru kitchen components are typically part of a manufacturer-spec door system, which means matching the series matters more than matching the brand name.
- Most “failed hinge” or “sagging door” calls reveal a moisture or frame issue, not just hardware.
- You get a written price before any work starts, and the completed job is covered by a 365-Day Done Right Promise from the completion date.
Which Therma-Tru Models This Applies To

Therma-Tru’s kitchen-adjacent product line is best known for entry and passage doors, many of which appear in San Antonio kitchens leading to garages, laundry rooms, and back patios. The compatibility gotcha: Therma-Tru doors are sold as a system, not as a slab. That means the frame, hinges, weatherstripping, and sill are matched to the specific door series. Swap in a generic replacement part and the swing, seal, or latch often sits just wrong enough to annoy you every morning.
Look for the manufacturer label on the hinge edge of the door slab. It will list the series (Classic-Craft, Smooth-Star, Pulse, or Fiber-Classic among the common ones) and often a 7-digit order number. That number is what we use to cross-reference the correct hinge set, threshold, astragal, and sweep. Without it, you’re guessing.
On the OEM vs. aftermarket decision: for hinges, sweeps, and weatherstripping on a Therma-Tru door that’s still under warranty, use OEM parts so the warranty stays valid. If the door is older and out of warranty, a quality aftermarket equivalent can save 30 – 50% without changing function. We carry both, and we’ll tell you which makes sense for your specific slab before you spend a dollar.
On the full-kitchen side, when we plan a Therma-Tru kitchen remodeling project in San Antonio, we’re also working around cabinetry from KraftMaid or Wellborn, countertops from Cambria or Silestone, and whatever existing framing the original builder left us. The Therma-Tru component is usually the door between the kitchen and garage, and it has to survive Texas heat on one side and air conditioning on the other. In San Antonio, that door needs a full perimeter seal and a sill that doesn’t wick moisture during the July storm cycle. We spec it accordingly.
Styles & brands we work with







Signs Your Therma-Tru Kitchen Remodeling Is Failing
- Door drags or sticks at the top or bottom. San Antonio’s clay soil moves with moisture, and that movement shifts the rough opening over time. A door that drags usually means the frame has drifted out of square, not that the door swelled.
- Visible daylight around the door edges. The weatherstripping has compressed or the door has warped. That gap is where your air conditioning money escapes every month.
- Rust streaks below the hinges. Water is getting behind the hinge plate, which means the seal has failed where it matters most. The hinge itself may still function, but the door skin is slowly degrading underneath.
- You can hear the garage or outside conversation like the door isn’t there. The door’s internal seal has broken down. Fiberglass door systems do degrade in extreme heat, especially west-facing exposures in San Antonio afternoons.
- The door closes on its own, or won’t stay open. Hinge bind or a frame that’s now out of plumb. In a ten-year-old San Antonio home, it’s usually the frame, not the hinge.
What we see on service calls in neighborhoods like Alamo Heights, Stone Oak, and the Dominion: a homeowner replaces the hinge once, then the sweep, then gets frustrated and calls us. The real fix is usually the frame reset plus the right hardware, done once.
See the difference
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After
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After
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AfterReplacement Cost & What’s Included

Kitchen remodeling in San Antonio runs $14,000 – $45,000 for a full project. If we’re just addressing the Therma-Tru door, frame, hardware, and surrounding trim as a scoped repair within a larger kitchen job, that portion typically lands in the $800 – $2,500 range depending on door series and how much reframing the opening needs. A small kitchen remodel with Therma-Tru door replacement, new cabinet fronts, and countertop refinishing starts around $9,000 – $20,000. Cabinet installation alone runs $4,000 – $13,000, and countertop installation runs $2,000 – $6,500.
Our written price includes the parts, labor, haul-off of the old door or components, and the seal and trim work to make the opening correct. We don’t charge by the hour and we don’t come back with a change order because the frame was worse than we thought. The price we quote is the price you pay, and the whole job is covered by the 365-Day Done Right Promise. If the door binds, the seal fails, or the finish delaminates within a year, we fix it at no cost to you. No dispute process. Just a call to (254) 269-5071 and we schedule the return visit.
DIY or Call Us?
You can safely check three things yourself: the label on the hinge edge for the series number, visible light gaps around the door at noon, and whether the door swings open or shut on its own when left halfway. That information genuinely helps us quote faster. Anything involving removing the hinge screws, adjusting the frame, or pulling the slab off if it’s a door with a full-length astragal: call us. A fiberglass door slab is heavy, and a mis-shimmed frame makes the problem worse, not better.
If the issue is water intrusion around the sill, don’t wait. San Antonio’s summer rain plus the temperature swing at a west-facing kitchen door can loosen the seal enough to rot the subfloor before you see anything on the surface. Call (254) 269-5071. We’ll talk through what you’re seeing and tell you if it’s worth scheduling a visit.
FAQs

How long does a Therma-Tru kitchen door last in San Antonio? Expect 20 – 30 years from the slab itself, but the weatherstripping, sweep, and sill typically need replacement every 7 – 10 years in San Antonio’s heat, especially if the door faces west. The hardware can last the life of the door if the frame stays square. Call (254) 269-5071 and we can tell you which component is actually at the end of its service life.
Can the door be repaired instead of replaced? In most cases, yes. Hinges, sweeps, weatherstripping, and sills are all serviceable, and a frame reset is usually faster and cheaper than a full door replacement. If the slab itself is delaminating or the core is compromised, replacement is the honest answer. We’ll show you the issue before we quote anything.
How long does the swap take? A hinge, sweep, or weatherstripping replacement is a half-day job. A full door and frame replacement within a kitchen remodeling project is typically one to two days including seal work and trim. You’ll have a written schedule before we start.
Do you stock Therma-Tru parts in San Antonio? We keep the most common hinge sets, sweeps, and weatherstripping for Classic-Craft, Smooth-Star, and Pulse series on our trucks, and we can source OEM or aftermarket equivalents for other series in 2 – 3 business days. Tell us the series number when you call (254) 269-5071 and we’ll check inventory before your visit.
Know who’s coming, know what it costs, know it’s covered, that’s the whole job before the job starts.
Written by Isaac Pruett, Owner, Mason Remodeling Co San Antonio at Mason Remodeling Co San Antonio, serving San Antonio and nearby areas.


