Kitchen remodeling
Bathroom remodeling
Home additions & ADU
Roofing
Windows & doors
Driveway & pavers
FenceFree written scope consultation - allowances, timeline, and change-order rules on paper before a single trade is scheduled
Therma-Tru Construction in San Bernardino, CA | Sycamore Contractors
We provide independent Therma-Tru in Rialto and door installation and repair across San Bernardino, from the century-old bungalows near downtown to the 1960s tracts spreading through 92404 and 92408. What makes our Therma-Tru work different here is that we treat every door job as a weather-sealing job first, because San Bernardino’s Santa Ana winds and triple-digit heat punish doors in ways coastal installers never see. We are not authorized by Therma-Tru, but we bring factory-level familiarity to every Fiber-Classic, Smooth-Star, Classic-Craft, and Signet entry we touch. Call (877) 265-6284 for a free estimate on your Therma-Tru project in San Bernardino.
Why San Bernardino Residents Choose Us for Therma-Tru Service
We have installed and serviced Therma-Tru door systems across San Bernardino’s older bungalows and post-war tracts for over a decade. That means we know how their fiberglass and steel lines actually hold up under Inland Empire heat, not just how they look in a showroom. Nate Calloway grew up in Temecula and spent years running framing and finish crews across Southwest Riverside County before stepping into the general contracting role at Sycamore, so the heat-and-wind failures we see on Therma-Tru doors are not theoretical to us. We source OEM Therma-Tru replacement sills, weatherstrip, hinges, and glass inserts whenever available to preserve the original fit and finish. When a door is structurally sound but has worn seals or a hardened sill, we repair it. When the skin is cracked or the frame is compromised, we tell you straight that replacement is the smarter money, especially in wildfire-adjacent foothill neighborhoods. For a broader look at our work, see our Therma-Tru sales & service page, or check the San Bernardino service area details.
Styles & brands we work with







Common Therma-Tru Construction Problems We Solve in San Bernardino
- Chalked and faded fiberglass skins. Fiber-Classic and Smooth-Star doors take direct afternoon sun on south- and west-facing entries. Triple-digit San Bernardino summers chalk the gel coat and fade the finish within a few years, and the wood-grain texture can crack at the panel edges when Santa Ana winds drive dust against the surface like a sandblaster.
- Rust blisters on steel doors. Classic-Craft and Signet steel panels develop rust at the bottom rail and around the lock and hinge penetrations because wind-driven rain finds pinholes in the factory paint. This shows up most on homes in 92404 and 92407 that catch the full force of the Santa Anas funneling down from the San Bernardino Mountains.
- Shrunken, hardened weatherstrip. Therma-Tru adjustable sills and rubber weatherstrip shrink and stiffen in near-zero humidity and sustained heat. The result is daylight gaps under the door that let in dust, raise cooling bills, and make the house feel drafty even in July.
- Door frames racked out of square. Older San Bernardino homes in 92410 and 92411 sit on pier-and-beam floors that shift with seasonal moisture changes. The Therma-Tru frame creeps out of alignment, the latch misses the strike plate, and the door starts sticking at the top corner. We reset and shim the frame rather than blaming the door.
- Wildfire-zone compliance gaps. In foothill edges of 92404 and 92407, older Therma-Tru entries often lack the ember-resistant weatherstripping and ignition-resistant trim that Chapter 7A now requires. We retrofit what can be saved and replace what cannot.
Therma-Tru Service in San Bernardino: What Local Conditions Mean for Your Equipment
Here is the thing most generic Therma-Tru pages will not tell you: in the foothill edges of 92404 and 92407, the same entry door that works fine on a tract home near the 215 can fail a Wildland-Urban Interface inspection. Chapter 7A building code applies to homes in the wildfire exposure zones that climb toward the San Bernardino Mountains, and it changes what a door assembly has to include. The door slab itself is often fine, but the surrounding trim, the weatherstrip, and the sill all have to be ignition-resistant or ember-resistant to pass. We regularly pair new Therma-Tru slabs with ember-resistant weatherstripping and noncombustible trim in those foothill ZIPs, and the difference matters at inspection time. We also see heat-driven weatherstrip shrinkage sooner in San Bernardino than in coastal cities, because the dry air pulls moisture out of rubber compounds continuously, year after year. It is not a defect. It is geography. And it changes what we recommend when you ask whether to repair or replace.
Therma-Tru Models & Products We Service in San Bernardino
We work on the full Therma-Tru residential lineup: Fiber-Classic and Smooth-Star for fiberglass entries, Classic-Craft and Signet for steel and premium wood-grain doors. That covers entry doors, patio door slabs, and interior door units from the brand. Our parts approach is simple: OEM sills, weatherstrip, hinges, and glass inserts whenever Therma-Tru still supplies them, because generics rarely match the factory fit and the finish ages differently. For discontinued parts or budget-restricted repairs, we use proven aftermarket suppliers and tell you what you are trading off before we install anything. Having worked these doors across San Bernardino for years, we know which parts to stock on the truck for faster turnaround when you need a sill or a latch addressed quickly.
See the difference
Before
After
Before
After
Before
AfterTherma-Tru Service Pricing in San Bernardino
Door work is priced by the job, not by a flat menu. What drives cost is whether we are repairing a sill and hinges or replacing a full entry assembly, and whether the opening requires frame work. Here are the range references we work from for the broader projects that often include Therma-Tru door work:
| Project | Price Range |
|---|---|
| Kitchen Remodel | $14,000 – $45,000 |
| Small Kitchen Remodel | $9,000 – $20,000 |
| Walk-In Shower Installation | $4,500 – $12,000 |
A free estimate includes a look at the existing door or opening, an honest read on repair versus replacement, and a written line-item quote on the spot. No change orders get tucked in after work starts. Call (877) 265-6284 to schedule yours in San Bernardino.
Serving San Bernardino, CA — Our Local Coverage Area
We’re a San Bernardino General Contractor based in the 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 San Bernardino
They hold up reasonably well, but they need more maintenance here than in coastal climates. The gel coat chalks under sustained triple-digit UV, and wind-driven dust can micro-scar the surface. A UV-stable repaint every few years and fresh weatherstrip keeps them sealing tight. Call (877) 265-6284 for an exact assessment of your door.
Hardened, shrunken weatherstrip and adjustable sills top the list. The dry heat pulls moisture out of rubber and vinyl seals until daylight shows through the gap. On pier-and-beam bungalows in 92410 and 92411, frame racking is a close second. Both are repairable when caught before the slab or frame takes real damage.
Yes. We pair Therma-Tru slabs with ignition-resistant trim and ember-resistant weatherstripping to satisfy Chapter 7A in foothill exposure zones. The door itself is part of the assembly, not the whole story. We handle the entire compliance package, not just the slab.
If the skin is cracked, the frame is rotted or racked beyond shimming, or the unit is a non-impact model in a wildfire zone, replacement is usually the better call. If the slab is sound and the issue is seals, hinges, or a latch, repair makes sense. We tell you which one we would do on our own house. Call (877) 265-6284 for a straight answer.
We do. Full kitchen remodeling, small and partial kitchen remodels, and walk-in shower installations often include a new or upgraded door at the entry to the space or the exterior, with Therma-Tru service in Muscoy and nearby areas available. We fold the door work into the same contract, same crew, same warranty, so you are not chasing a separate door installer. Call (877) 265-6284 to talk through your project.
Service Areas Near San Bernardino
Beyond San Bernardino proper, we cover nearby communities including Temecula, Murrieta, Murrieta Hot Springs, Wildomar, and Fallbrook. For Therma-Tru work further east, see Therma-Tru service in Cathedral City. For the northeastern side of the valley, see Therma-Tru service in Highland.
Book Your Therma-Tru Service in San Bernardino Today
Do it right the first time, or you’ll do it twice in the July heat. If your Therma-Tru door is sticking, leaking dust, or showing rust at the rail, call (877) 265-6284 for a free estimate. We will come out, look at the opening, and give you a straight repair-or-replace answer you can act on.
Written by Nate Calloway, Owner at Sycamore Contractors, serving San Bernardino since the company’s first Therma-Tru door job in the Inland Empire, including Therma-Tru repair in Loma Linda.