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Therma-Tru Construction in San Bernardino, CA | Workshop Contractors
We’re an independent contractor serving San Bernardino with Therma-Tru door sales, installation, and repair. The one thing that separates our Therma-Tru work here is understanding how the Cajon Pass wind corridor and 100°F desert summers actually stress a fiberglass entry system: we see failures in this city that coastal contractors never encounter. Call (844) 384-3361 for a free estimate.
We’ve installed and serviced Therma-Tru doors long enough to know how the brand’s fiberglass slabs, rot-resistant frames, and glass inserts actually hold up in San Bernardino’s extreme climate. That knowledge comes from jobs, not from any factory certification. We are an independent contractor and not authorized, sponsored, or endorsed by Therma-Tru. This matters because we have no incentive to sell you a door you don’t need: we’ll tell you when a panel is worth repairing and when the honest answer is replacement.
Why San Bernardino Residents Choose Us for Therma-Tru Service
Noel Figueroa, our owner, grew up in the Vineyard neighborhood of Ontario and has spent decades working across the Inland Empire on everything from ground-up residential builds to full commercial tenant improvements. He learned the fundamentals at Chaffey College, where the construction technology program put him on job sites before he was old enough to rent a truck, and today we also provide Therma-Tru service in Muscoy. When you call us about a Therma-Tru door in San Bernardino, you’re talking to a team that has pulled permits, corrected framing, and re-hung doors in this city’s oldest housing stock and its newest foothill subdivisions.
We keep our Therma-Tru sales & service work focused on what a general contractor should be able to do: assess the rough opening, correct what’s out of square, install the prehung unit, and flash it properly for this climate. We’re not a door-only subcontractor who will hang a slab and walk away from the surrounding water-intrusion issues. We’re also the contractor who can handle the window replacement, the bathroom remodel, or the kitchen remodel on the same project, under one contract and one schedule.
Styles & brands we work with







Common Therma-Tru Construction Problems We Solve in San Bernardino
- Solar degradation on west- and south-facing fiberglass slabs. San Bernardino regularly sees summer temperatures above 100°F, and after several seasons of that direct afternoon sun, Therma-Tru fiberglass skins show paint chalking, color fading, and hairline checking at panel edges. It’s not a manufacturing defect, it’s desert-grade UV working on the finish. We strip, re-seal, and refinish when the panel is sound, and tell you straight when the skin is checked through.
- Perimeter sweep and weatherstrip failure from wind-blown grit. The Santa Ana winds that funnel through the Cajon Pass push fine dust and sand against every exterior door in San Bernardino. Those abrasive particles load up in the Therma-Tru sweep and weatherstrip channels and degrade the seal far faster than in calmer inland markets. We replace with OEM sweeps and weatherstrip when the fit demands it.
- Out-of-square hung slabs and hinge binding in older ranch stock. In the 1950s-70s tract homes across 92404 and 92405, decades of settling plus past garage or porch conversions leave rough openings racked. A Therma-Tru door that binds at the hinge or won’t latch cleanly is often not a hinge problem: it’s a framing problem behind the hinge. We correct the opening before we hang the replacement.
- Failing sidelite glazing seals and water intrusion at thresholds. On pre-1980 San Bernardino homes, original flashing details at the threshold were never built for the wind-driven rain and dust this city gets during storm cycles. We reseal sidelite glass and rebuild threshold flashing where the original install left gaps.
- Unpermitted conversions complicating entry door replacements. In the older south- and east-side blocks around 92410 and 92411, we routinely find garage and porch conversions that were never permitted. The rough opening for a “simple” Therma-Tru entry door swap may not be framed to code, which means the job starts with a header correction before a new prehung unit is even ordered.
Therma-Tru Service in San Bernardino: What Local Conditions Mean for Your Equipment
Here’s a San Bernardino fact that changes how Therma-Tru work plays out: this city sits squarely in the Inland Empire’s Santa Ana wind corridor, where seasonal 60-80 mph gusts funnel through the Cajon Pass. Those winds strip shingles, lift patio covers, and stress every new roofline. For a Therma-Tru entry system, the grind is quieter but constant: wind-driven sand abrades the perimeter seals, pressure differentials twist the slab against the frame, and a door that was perfectly plumb in September can bind by February. We re-square openings and upgrade to heavy-duty sweeps in the 92408 and 92412 foothill exposures where the gusts hit hardest. A door that’s fighting the wind is not a door that will latch reliably when you need it to.
Therma-Tru Models & Products We Service in San Bernardino
We install and service the full Therma-Tru fiberglass lineup: Smooth-Star entry doors, Fiber-Classic and Classic-Craft entry systems, Benchmark and Inspired Door fiberglass lines, and Therma-Tru sliding and hinged patio door systems with Low-E glass. On the parts side, we use Therma-Tru OEM sweeps, weatherstrip, hinges, and glass inserts where the warranty and fit demand it, and quality aftermarket hardware only where it genuinely matches the spec. If a slab and frame are still sound, we repair and re-seal. When a fiberglass skin is checked through or a frame is rotted, we say so plainly and recommend replacement rather than chasing a failing door with parts.
See the difference
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AfterTherma-Tru Service Pricing in San Bernardino
Here’s what Therma-Tru-related construction work typically runs in this market. Window replacement on a San Bernardino home ranges from $4,500 to $15,000 depending on how many openings and whether we’re correcting framing. A full kitchen remodel, which often includes a Therma-Tru patio door swing or entry update, lands between $14,000 and $45,000, and we’ve completed similar projects offering Therma-Tru in Highland. A full bathroom remodel runs $9,000 to $28,000. The free estimate tells you exactly where your job falls, with line-item pricing so there’s no ambiguity. Call (844) 384-3361 to schedule yours.
| Service | Price Range |
|---|---|
| Window Replacement | $4,500 – $15,000 |
| Full Kitchen Remodeling | $14,000 – $45,000 |
| Full Bathroom Remodeling | $9,000 – $28,000 |
Serving San Bernardino, CA — Our Local Coverage Area
We’re based in the San Bernardino area and know this community well, including our Therma-Tru repair in Loma Linda. Use the map below to see our service coverage — if you’re nearby, we can almost certainly help.
FAQs – Therma-Tru Construction in San Bernardino
Direct afternoon sun in this semi-arid climate drives surface temperatures well past what coastal doors ever see. Over several summers above 100°F, the fiberglass finish chalks, fades, and develops hairline checking at the panel edges faster than in coastal markets. Call (844) 384-3361 and we’ll tell you whether your slab is a refinish candidate or a replacement.
Yes, and it happens constantly in the 92410 and 92411 blocks. The job often starts with a header and framing correction because the original rough opening was never framed to code. We pull the permit, correct the framing, and then install the new prehung Therma-Tru unit correctly, just as we do with our Therma-Tru in Rialto. Call (844) 384-3361 for a free estimate and we’ll tell you what you’re actually looking at.
It’s real. Wind-driven grit through the Cajon Pass loads up in the perimeter sweeps and weatherstrip channels, abrading the seal and letting dust in. We see it on nearly every exposed west-facing door in 92408 and 92412. Replacing worn sweeps with OEM parts is a standard fix. Call (844) 384-3361 for an exact quote.
If the fiberglass skin is only faded or chalked and the slab is square, we repair and re-finish. If the skin has checked through and the slab binds, the honest answer is replacement. Forcing parts onto a compromised door costs more over time. Call (844) 384-3361 and we’ll assess it in person.
Yes, entry and exterior door replacements require a permit in San Bernardino, especially when the rough opening needs framing correction. We pull the permits and handle inspections as part of the job. Call (844) 384-3361 for a free estimate.
Service Areas Near San Bernardino
We serve San Bernardino and the surrounding Inland Empire communities. Therma-Tru service in Woodcrest is available alongside our Therma-Tru service in Anaheim. We also cover Loma Linda, North Tustin, Orange, and Buena Park. Check our San Bernardino service area page for full coverage details.
Book Your Therma-Tru Service in San Bernardino Today
Build it right the first time. The second time costs twice as much and nobody’s happy about it. Call (844) 384-3361 to schedule your free Therma-Tru estimate in San Bernardino.
Written by Noel Figueroa, Owner at Workshop Contractors, serving San Bernardino since his early days framing houses across the Inland Empire.