







Free written scope consultation - allowances, timeline, and change-order rules on paper before a single trade is scheduled
Therma-Tru Construction in Sunnyvale, TX | Bradford Remodeling Co Dallas
We provide independent Therma-Tru door construction, repair, and installation service across Sunnyvale, TX. Call (903) 326-8963 and you’ll get a live person, a straight answer, and a written price before any work starts. What makes our Therma-Tru work different in Sunnyvale is simple: we know how these doors fail when clay soil shifts the frame and a west-facing slab takes fifteen summers of direct Texas sun.
Bradford Remodeling Co Dallas is not a Therma-Tru authorized dealer. We’re independent remodelers who have installed and repaired enough Classic-Craft, Smooth-Star, Pulse, and Benchmark units across Dallas County to know exactly what holds up and what doesn’t. Sunnyvale’s mix of 1980s custom homes, new tract builds, and expansive clay creates a specific set of problems for door frames that a generic door company won’t catch. We do.
Why Sunnyvale Residents Choose Us for Therma-Tru Service

Most door companies in DFW will sell you a Therma-Tru unit. Few will tell you whether the existing frame can be saved, what the clay is doing to your threshold, or whether an aftermarket weatherstrip is actually going to hold a seal through spring storm season. Those are the conversations Curtis Lane has with Sunnyvale homeowners every week.
Curtis has run crews across Dallas for the better part of two decades, including a stretch of kitchen and bathroom gut-jobs in Lakewood that taught him exactly how much 1950s-era plaster can slow a schedule. He carries that same impatience for sloppy framing into every door opening he touches. We show up on time, we measure the opening twice, and we tell you whether the slab is worth saving or whether you’re better off starting over. Straight number, real scope, no surprises on delivery day.
- Independent Therma-Tru specialists, not a manufacturer script
- Written price before work begins, every time
- OEM parts when the slab is salvageable, commercial-grade aftermarket for discontinued lines
- 365-Day Done Right Promise in writing on every completed project
Styles & brands we work with







Common Therma-Tru Construction Problems We Solve in Sunnyvale
- Sun delamination on south-facing Smooth-Star fiberglass slabs. Sunnyvale’s newer subdivisions, particularly those with minimal tree cover, leave west- and south-facing doors exposed to brutal afternoon heat. The fiberglass skin on Smooth-Star units eventually separates from the core. It starts as a bubble, then gets worse.
- Warped Classic-Craft stiles from temperature swings. Air-conditioned interiors at 72 degrees on one side, 100-plus degree exteriors on the other. That differential pulls on the stiles of Classic-Craft Mahogany and Oak units over time, especially on east-facing doors that heat up fast in the morning.
- Failed corner sealant on Benchmark steel doors. Sunnyvale’s heavy spring rains and irrigation overspray find every weak bead of caulk. Once water gets past the corner sealant, rust starts along the bottom rail. We see it most often on homes built in the early 2000s.
- Loose hinge screws in polyurethane cores. High-wind slamming during tornado season loosens hinge screws inside the foam core. Once the threads strip, the door sags and drags on the threshold. Re-driving the same screws won’t hold. You need longer screws or core plugs.
- Racked frames from clay soil movement. Sunnyvale’s expansive clay shrinks and swells with moisture. Homes on pier-and-beam foundations shift. The door frame shifts with it, and suddenly the latch doesn’t line up and the weatherstripping won’t seal. We re-shim before we touch a hinge.
Therma-Tru Service in Sunnyvale: What Local Conditions Mean for Your Equipment
Sunnyvale’s mix of 1980s custom homes and new tract builds means we often find original Therma-Tru doors on pier-and-beam foundations that have shifted due to the area’s expansive clay, causing door frames to rack and requiring re-shimming before any hinge or weatherstripping work. That’s the step most door companies skip. They’ll replace the weatherstrip, hang the door, and leave. Six months later the door sticks again because the frame is still out of square. We measure the reveal, identify the rack, and correct it before we install anything. On a home off Long Creek Road, a warped Smooth-Star fiberglass door had delaminated on the west-facing side after fifteen summers. The homeowner’s existing frame was out of square by 5/16 inch due to clay soil movement. We installed a new Classic-Craft mahogany unit with a rot-resistant composite frame, custom shims, and OEM compression weatherstripping. The door now closes flush and no drafts come through the threshold.
Therma-Tru Models & Products We Service in Sunnyvale
We work on the Classic-Craft Mahogany Collection, Smooth-Star Fiberglass, Pulse Series, and Benchmark by Therma-Tru lines, across both current and discontinued runs. For salvageable slabs, we use OEM Therma-Tru weatherstripping, hinges, and glass inserts. When a Sunnyvale home has an older discontinued line, we source quality aftermarket commercial-grade parts rather than leaving you with a mismatched repair. Full replacement typically makes sense when the core is compromised or the existing unit is pre-2005 without modern impact ratings. If you’re weighing repair against replacement, call us and we’ll give you an honest read on what’s worth saving. Our team handles emergency and storm damage work, plus full kitchen remodeling and full bathroom remodeling for Sunnyvale homeowners who want the entire entry and interior package done by one crew that’s held to Therma-Tru sales & service standards.
See the difference
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AfterTherma-Tru Service Pricing in Sunnyvale

Sunnyvale homeowners should expect clear, line-item pricing before any work starts. What drives cost is the condition of the existing frame, whether the slab can be salvaged, and which parts are needed. Here are the ranges we work from:
| Service | Price Range |
|---|---|
| Therma-Tru exterior door slab replacement (labor only, door extra) | $500 – $1,500 |
| Weatherstripping and hinge replacement kit | $150 – $400 |
| Full door unit removal and reinstallation with frame adjustment | $800 – $2,000 |
A free estimate includes a check of the frame square, slab condition, and hinge wear. You’ll get a written number before work begins, no change orders at the door. Call (903) 326-8963 to schedule yours.
Serving Sunnyvale, TX - Our Local Coverage Area
We’re based in the Sunnyvale 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 Sunnyvale
How do I know if my older Therma-Tru door in Sunnyvale needs a full replacement or just a new weatherstrip?
If the slab is solid, the core isn’t compromised, and the frame is square, a new weatherstrip and hinge kit will usually do the job for $150 to $400. If the frame has racked from clay movement or the slab has delaminated, replacement is the better call. Call (903) 326-8963 and we’ll check it before you spend anything.
Can you match a discontinued Therma-Tru Classic-Craft finish on a partial repair?
Yes. We match stains and finishes on Classic-Craft repairs, and for discontinued lines we source commercial-grade aftermarket parts that match the existing grain and color closely enough that most Sunnyvale homeowners can’t spot the difference.
Do Therma-Tru doors hold up to Sunnyvale hail storms?
Therma-Tru fiberglass and steel doors handle hail better than wood, but no door is immune to direct impact. We regularly replace slabs after severe spring hail. A pre-2005 unit without modern impact ratings is a candidate for full replacement rather than patchwork repair. Call (903) 326-8963 for an exact quote, the estimate is free.
Why does my Therma-Tru door stick only in spring and fall in Sunnyvale?
Expansive clay soil absorbs moisture in the spring and dries out in the fall. That shrink-swell cycle moves pier-and-beam foundations enough to rack door frames. The fix is re-shimming the frame, not planing the door. Once the frame is squared and shimmed, the sticking stops.
What’s the best Therma-Tru door for a west-facing entry in Sunnyvale?
A Classic-Craft Mahogany unit with a rot-resistant composite frame. Fiberglass Smooth-Star slabs delaminate on west-facing exposures after a decade-plus of direct afternoon sun. The Classic-Craft line holds finish better, and the composite frame resists the moisture and soil movement we see in Sunnyvale.
Service Areas Near Sunnyvale
We serve all of Sunnyvale service area and surrounding communities, including Therma-Tru service in Dallas, Therma-Tru service in Garland, as well as Grand Prairie, Farmers Branch, and Duncanville. If you’re within a short drive of Sunnyvale, we’ll come out and look at your door.
Book Your Therma-Tru Service in Sunnyvale Today
Call (903) 326-8963 to schedule your free estimate. A real person answers, always. We’ll put the price in writing and stand behind the work for a full year. Sunnyvale door problems don’t fix themselves.
Written by Curtis Lane, Owner at Bradford Remodeling Co Dallas, a General Contractor in Sunnyvale serving the area since 2004.











