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Therma-Tru Construction in San Bernardino, CA | Bradford Remodeling
We provide independent Therma-Tru door installation and repair across San Bernardino, and the one thing that sets our work apart here is that we understand exactly what inland heat and Santa Ana winds do to fiberglass and steel entry slabs. Most crews treat a Therma-Tru door like any other door. We don’t, because San Bernardino isn’t like any other climate. Call (903) 568-7222 for a free estimate on Therma-Tru door service, kitchen remodeling in San Bernardino, bath work, or roof repair.
Why San Bernardino Residents Choose Us for Therma-Tru Service
We’ve installed and serviced Therma-Tru entry doors and patio door systems across San Bernardino for years, so we know how their fiberglass and steel slabs behave in inland heat and wind. We are not affiliated with or authorized by Therma-Tru. We’re an independent remodeling crew that works on their products every week, which means we can make honest repair-versus-replace calls without factory pressure. Curtis Lane runs Bradford Remodeling, and he trained in construction technology at Los Angeles Trade-Technical College before spending two decades on foundation work, finish carpentry, and door installs across the Basin. That background matters here because a Therma-Tru door in San Bernardino doesn’t fail in isolation. It fails because of how the sun hits the slab, how the Santa Anas drive dust against the weatherstripping, and how a porch roof leak quietly damages the frame. Our Therma-Tru sales & service approach treats the door as part of the house, not a standalone component.
Styles & brands we work with







Common Therma-Tru Construction Problems We Solve in San Bernardino
- Warped or bowed door slabs from sustained heat. San Bernardino summers regularly push past 100°F, and a west-facing Therma-Tru slab absorbs that sun for hours. Over years, the fiberglass can bow enough that the deadbolt no longer lines up. We see this most on older Smooth-Star and Fiber-Classic doors.
- Failed weatherstripping and door sweeps. Santa Ana wind events drive fine grit against entry doors, and once the sweep degrades, daylight gaps appear at the threshold. That means dust intrusion and a higher cooling load all summer. Replacing the sweep and re-sealing the frame is often the highest-value fix we do in San Bernardino.
- Fiberglass skin cracking at hinge and lockset areas. Older Therma-Tru slabs can develop stress fractures around hardware, especially where repeated thermal cycling weakens the skin. These cracks let moisture into the substrate and accelerate frame movement.
- UV-damaged finishes that peel and expose substrate. Stained and painted Therma-Tru doors in San Bernardino take intense afternoon sun, and once the finish breaks down, the fiberglass beneath is exposed. Re-finishing early prevents far more expensive slab replacement later.
- Sill and frame movement from moisture stress. A porch roof leak or worn door sill channels water toward the frame, softening the rough opening and causing the entire assembly to shift. We often find roof repair and door service go together on the same San Bernardino home.
Therma-Tru Service in San Bernardino: What Local Conditions Mean for Your Equipment
Here’s the information you won’t find on a generic Therma-Tru page: San Bernardino sits in a hot inland valley where summer temperatures regularly exceed 100°F and Santa Ana winds drive grit against exterior surfaces. That means Therma-Tru fiberglass slabs here fail at the weatherseal and finish faster than in coastal markets. Entry door service in San Bernardino often centers on re-sealing and re-finishing rather than simple hardware swaps. The heat alone doesn’t warp a slab. It’s the heat plus the afternoon sun angle on west-facing entries, the dust that works into hinges and sweeps, and the way a slightly soft frame lets the slab shift. We recently replaced a warped Therma-Tru Fiber-Classic entry door at a home near the Del Rosa area, where the slab had bowed enough that the deadbolt no longer lined up and daylight showed around the frame. We installed a new Therma-Tru slab with upgraded weatherstripping and adjusted the sill, and the homeowner immediately noticed the entry sealed tight against the afternoon dust and heat. While we were there, we also repaired a small roof leak above the porch that had been adding moisture stress to the door frame.
Therma-Tru Models & Products We Service in San Bernardino
We service Therma-Tru Smooth-Star fiberglass entry doors, Fiber-Classic fiberglass doors, Classic-Craft premium door series, and entry door systems with Tru-Defense composite edges. The product line matters when we make a repair recommendation. Smooth-Star and Fiber-Classic slabs are workhorses but older ones show hinge-area fatigue in San Bernardino heat. Classic-Craft doors are built heavier and hold alignment better, but their finishes still take UV damage on exposed entries. We source OEM-grade Therma-Tru replacement slabs, hinges, weatherstripping, and sill components when available, and use high-quality aftermarket hardware only where OEM is discontinued or cost-prohibitive. If a slab is warped or cracked beyond patching, we recommend full replacement over repeated patch repairs because a new door restores the seal and security in one visit. Stocking locally means faster turnaround for San Bernardino homeowners than waiting on a factory order.
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AfterTherma-Tru Service Pricing in San Bernardino

Where your Therma-Tru project lands depends on whether the door needs a reseal, a slab replacement, or a full frame rebuild. A sagging door with daylight at the sweep is a different job than a cracked slab that’s pulling away from the hinges. Here are the current price ranges we work within for San Bernardino homes:
| Service | Price Range |
|---|---|
| Roof Repair | $400 – $1,800 |
| Full Bathroom Remodeling | $9,000 – $28,000 |
| Full Kitchen Remodeling | $14,000 – $45,000 |
Door-specific work, like slab replacement or full entry system installs, is quoted on site because the condition of the rough opening determines everything. Every estimate we give is a written price before any work starts, with no numbers that move at the door. Call (903) 568-7222 to schedule a free estimate for your San Bernardino home.
Serving San Bernardino, CA - Our Local Coverage Area
We’re based in the San Bernardino 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
A Therma-Tru door absorbs heat because fiberglass is dense and holds thermal energy, and in San Bernardino’s 100°F-plus afternoons, a west-facing slab can reach surface temperatures far above ambient. Over years, repeated thermal cycling degrades the door’s internal structure and can bow the slab enough to break the deadbolt alignment. The fix is often re-sealing, re-shimming, or slab replacement depending on how far the warp has progressed. Call (903) 568-7222 for a free assessment of your door’s condition.
Yes, if the existing frame is square, solid, and not water-damaged, we can order a new Therma-Tru slab and hang it in the existing frame. If the frame has rotted or shifted, you’ll get a better long-term result replacing the entire entry system. We’ll show you both options with written pricing before you decide.
Yes, we regularly install Therma-Tru entry and patio doors as part of larger kitchen and bathroom remodels with our General Contractor in San Bernardino. Exterior door replacement often happens during a kitchen remodel when the existing back door doesn’t seal or opens into the work area. Full Kitchen Remodeling runs $14,000 – $45,000 and Full Bathroom Remodeling runs $9,000 – $28,000, and we’ll include the door scope as a line item with its own written price.
We stock OEM-grade Therma-Tru weatherstripping, door sweeps, hinges, sill components, and replacement slabs for common Smooth-Star, Fiber-Classic, and Classic-Craft models. When an OEM part is discontinued, we use a high-quality aftermarket equivalent and tell you the difference in writing. Keeping these parts staged means faster turnaround for San Bernardino door repairs.
San Bernardino’s heat breaks down Therma-Tru finishes faster than coastal environments, and Santa Ana dust accelerates weatherstripping wear. That means you should plan on re-finishing a stained or painted door every few years and checking sweeps and seals before each summer. A small re-seal now costs far less than a slab replacement later. Call (903) 568-7222 to schedule a door inspection and get a written quote.
Service Areas Near San Bernardino
We serve San Bernardino and the surrounding inland communities. If you’re in Fontana, check our Therma-Tru service in Fontana. For Moreno Valley, see Therma-Tru service in Moreno Valley. And for the full footprint, visit our San Bernardino service area page. We cover the full inland valley corridor.
Book Your Therma-Tru Service in San Bernardino Today
If your Therma-Tru door is warping, leaking daylight, or the deadbolt won’t line up, call (903) 568-7222. We’ll schedule a free estimate, give you a written price, and get the work done right. Straight number, real scope, no surprises at the punch list.
Written by Curtis Lane, Owner at Bradford Remodeling, serving San Bernardino since 2004.











