







Free written scope consultation - allowances, timeline, and change-order rules on paper before a single trade is scheduled
Therma-Tru Construction in Sunnyvale, CA | Bradford Remodeling Co San Jose
We install and repair Therma-Tru doors throughout Sunnyvale as an independent contractor, not a manufacturer-authorized shop. What makes our Therma-Tru work different here is that we plan for the clay soil and the older siding stock before we ever pull a permit. If you’re pricing a door replacement or a full remodel with Therma-Tru product in Sunnyvale, call (669) 272-2637 and we’ll give you a written number.
Curtis Lane runs our crew, and he’s been framing and finishing doors across San Jose and Sunnyvale long enough to know which openings will fight back. We cover everything from a single entry-door swap on a 1960s ranch to a full kitchen remodel where a Therma-Tru patio door has to tie into new framing. The full Therma-Tru sales & service range we handle is broad, but the Sunnyvale section of it has its own set of rules. We’ll walk you through what actually applies to your house.
Why Sunnyvale Residents Choose Us for Therma-Tru Service

We’re not the manufacturer’s installer. We’re a General Contractor in Sunnyvale that has installed and repaired Therma-Tru doors across hundreds of local jobs, from original 1960s ranch replacements to new two-story builds. That matters because we see how these doors behave after installation, not just on the spec sheet. We know where the weatherstripping fails on a west-facing Birdland entry. We know how a Classic-Craft slab moves when the original rough opening was framed before modern code.
Curtis grew up in Los Angeles and picked up his first framing hammer in Inglewood before he was old enough to drive. He trained through the construction technology program at Los Angeles Trade-Technical College, where he learned to read structural drawings and run a job by the numbers. For years, Curtis and his crew have worked across San Jose, including our Kitchen Remodeling in Sunnyvale and bath gut-outs in Willow Glen, where older ranch homes demand solid prep work before a single tile goes down. He brings that same discipline to Sunnyvale door work. Straight number, written scope, done when we said done.
Every Therma-Tru job we take in Sunnyvale gets a written price before work starts. Background-checked, uniformed technicians show up on schedule. A live person answers the phone at (669) 272-2637, 24 hours a day. And every completed project carries the 365-Day Done Right Promise: if the work doesn’t hold, we come back and fix it at no charge. That’s The Garrison Standard, and it applies to a $150 weatherstripping replacement the same as a full home addition.
Styles & brands we work with







Common Therma-Tru Construction Problems We Solve in Sunnyvale
- Sun-warped or faded panels on west-facing elevations. Sunnyvale’s summer sun is relentless on doors that catch the afternoon glare. After ten or more years, we regularly see Therma-Tru fiberglass panels that have faded through the factory finish or bowed slightly. Replacing just the panel is sometimes possible on entry-level units; on a faded Classic-Craft, we’ll usually recommend a full door replacement with a fresh factory finish rated for direct sun.
- Sticking or misaligned doors on clay-heavy soil. Sunnyvale sits on expansive clay that moves with moisture. Original 1950s slab foundations shift, and an entry door that swung cleanly in 1965 now binds at the top corner. We re-square the rough opening, reinforce it where the hinges carry load, and reset the door so it clears in every season.
- Weatherstripping failure and air leaks after second-story additions. When a mid-century Sunnyvale ranch gets a second story added, the existing first-floor door frames take load they were never designed for. Older Therma-Tru units start leaking at the corners. We replace the sweeps, jamb weatherstripping, and threshold, but we also check whether the frame itself has shifted before we bother with parts.
- Hinge screw pull-out on heavy Classic-Craft doors. Mahogany Collection doors are heavy. When a remodeler hangs one in an original rough opening without reinforcing the hinge side, the screws eventually pull. We pull the door, install a steel reinforcement plate behind the hinge jamb, and re-hang it. The door stays square and swings clean.
- Threshold cracks on slab foundations. Sunnyvale’s clay soil movement flexes concrete slabs, and a rigid aluminum or composite threshold can crack right down the middle. We replace the threshold, but only after checking the slab beneath it. If the slab is still moving, new threshold parts alone won’t hold. Sometimes the honest answer is a full door frame reset with a floating sill pan.
Therma-Tru Service in Sunnyvale: What Local Conditions Mean for Your Equipment

In Sunnyvale’s Birdland neighborhood, original 1960s ranch homes frequently have front entries set into asbestos-cement siding. That siding has to be abated before a new Therma-Tru door can be properly flashed and sealed. It’s a cost newcomers often miss until the permit stage catches them. The siding doesn’t just sit there; it wraps the door frame, and you can’t flash a new door over compromised or scheduled-for-removal material. We’ve walked Birdland streets like Warbler Avenue and seen the pattern over and over: a homeowner replaces the door, but the real job was the five linear feet of asbestos-cement around the rough opening. We build that into our written estimate before the job starts, so the permit phase doesn’t surprise you with an extra line item.
That’s the kind of thing a generic Therma-Tru service page won’t tell you, because it’s not about the door, it’s about Sunnyvale. The door is the easy part. The house is the variable.
On a recent job on Warbler Avenue in Birdland, we replaced a 1968 original entry door with a Therma-Tru Classic-Craft Mahogany unit. The original rough opening had settled a quarter inch out of square from clay soil movement, and the asbestos-cement siding around the frame required abatement before we could install new flashing. We re-squared the opening with a steel reinforcement plate and set the new door with a full perimeter sill pan. The homeowner no longer feels a draft and the door swings cleanly through every season.
Therma-Tru Models & Products We Service in Sunnyvale
We install and service the Classic-Craft Mahogany Collection, Smooth-Star Fiberglass Classic, the Pulse Series, and Tru-Defense Entry Systems across Sunnyvale. Each line has its own tolerances and failure points, and we don’t treat them interchangeably. On parts, we use genuine Therma-Tru weatherstripping, hinges, and threshold components when they’re available, because tolerances are tight and aftermarket pieces often cause air or water leaks. For defunct colors or older series, we source quality fiberglass-compatible replacements, and we’ll tell you straight when the slab has faded through the factory finish or the core is compromised and full replacement makes more sense than another repair.
We keep common hardware and weatherstripping stocked for fast Sunnyvale turnaround, so a sticking door doesn’t have to wait on a backordered hinge kit.
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AfterTherma-Tru Service Pricing in Sunnyvale

Here are the numbers we quote in Sunnyvale, in writing, before work begins.
| Service | Price Range |
|---|---|
| Therma-Tru Classic-Craft Entry Door Replacement (materials & labor) | $2500 – $6000 |
| Therma-Tru Smooth-Star Door Installation | $1800 – $4200 |
| Therma-Tru Door Weatherstripping Replacement | $150 – $500 |
| Therma-Tru Hinge and Hardware Upgrade | $300 – $900 |
| Full Kitchen Remodeling (including Therma-Tru patio door) | $14000 – $45000 |
| Home Addition (includes exterior door installation) | $45000 – $130000 |
What drives the top end in Sunnyvale is usually the house: asbestos abatement in Birdland, out-of-square rough openings on clay soil, or a two-story addition that shifted the first-floor frame. The door itself is the predictable part. A free estimate includes the full written scope, so you know the number before anything gets ordered. Call (669) 272-2637 and we’ll put it on paper.
Serving Sunnyvale, CA - 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
Because Sunnyvale’s clay-heavy soils expand and contract with moisture far more than the sandy loam you find in parts of San Jose or the hills above Palo Alto. That movement flexes slabs and shifts door frames over decades. A door that stuck in Sunnyvale might never bind in Campbell. The fix isn’t just a hinge adjustment; we check the rough opening and the slab, then re-square and reinforce before re-hanging the door. Call (669) 272-2637 for a written assessment.
Not always, and we’ll tell you that up front. Some older Therma-Tru colors are defunct and can’t be ordered. In those cases, we source a quality fiberglass-compatible match, or if the finish has faded through, we recommend full door replacement. Either way, you get a straight answer and a written price. Call (669) 272-2637 and we’ll check the color code on your existing slab.
If your front entry is set into original asbestos-cement siding, yes, that siding has to be abated before new flashing and a new door can be properly installed. Birdland’s 1960s ranch homes often have this. We include the abatement line item in our written estimate so the permit stage doesn’t hit you with a surprise. Call (669) 272-2637 to have us look at your entry.
For a west-facing entry that gets hammered by afternoon sun, the Pulse Series’ multi-point locking system and heavier construction hold up better than an entry-level Smooth-Star over ten or fifteen years. The factory finish also resists fading longer. If your current door is already sun-faded and you’re replacing it anyway, the Pulse upgrade usually justifies the cost. Call (669) 272-2637 for exact pricing on your entry.
The threshold cracks because the slab under it is moving with the clay soil. Replacing the threshold alone won’t fix a moving slab. We check the slab, then either replace the threshold with a floating sill pan or reset the entire door frame, depending on how much movement is happening. Written quote before any work starts. Call (669) 272-2637.
Service Areas Near Sunnyvale
We run Therma-Tru service throughout Sunnyvale service area, plus the neighboring cities. For door work in Therma-Tru service in San Jose, including Willow Glen and the West San Jose neighborhoods, same crew, same written-price standard. Therma-Tru service in Palo Alto covers the older Eichler stock and the newer two-story builds. We also serve Campbell, Saratoga, and parts of Fremont.
Book Your Therma-Tru Service in Sunnyvale Today
Tell us what’s happening with your door. We’ll give you a written number and a written scope before anything gets ordered. Call (669) 272-2637 for a free estimate, and we’ll schedule the walk-through.
Written by Curtis Lane, Owner at Bradford Remodeling Co San Jose, serving Sunnyvale and the South Bay.











