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Therma-Tru Construction in San Bruno, CA | Framework Contractors
We provide independent Therma-Tru service across San Bruno, from entry door replacements on 1950s ranch homes to patio door seals on fog-exposed hillside properties. What makes our Therma-Tru work different here comes down to one thing: most door problems in San Bruno are actually frame and flashing problems, not slab problems. The San Andreas Fault runs through this city, the hillsides are USGS-mapped for liquefaction and landslide risk, and that changes how we approach every exterior door job. Call (844) 681-3590 to schedule a free estimate.
We know Therma-Tru’s product lines inside out, Fiber-Classic, Smooth-Star, Classic-Craft, the factory prehung systems and we also know what marine fog and seismic reframing do to them over time. Therma-Tru sales & service across the Peninsula requires more than swapping slabs. It takes a contractor who reads the wall before touching the door.
Why San Bruno Residents Choose Us for Therma-Tru Service
Noel Carbajal grew up learning construction the hard way, on his uncle’s stucco and roofing jobs in Santa Ana, then sharpened it through Santiago Canyon College’s Construction Technology program and nearly three decades of building and remodeling along the Orange County corridor. He brought that same measured approach to San Bruno service area work, and it shows in how we handle Therma-Tru doors here.
We carry genuine Therma-Tru thresholds, sweeps, weatherstrip, hinges, and glazing beads. Not because we’re brand loyalists, but because the factory kerfs on a prehung Therma-Tru frame are tight. Aftermarket seals sit wrong, leak, and fail within a season. We also tell you the truth about repair versus replacement. If your slab is sound and the problem is seals or hardware, we say so. If a fog-soaked Fiber-Classic has delaminated at the bottom rail, patching it is wasting your money.
One contractor. Every system. We work with the brands you already trust, and we install to spec, not to shortcut.
- Genuine OEM parts on every Therma-Tru service call
- Reframing and flashing expertise for San Bruno’s out-of-square ranch openings
- Transparent repair-vs-replace guidance from a licensed general contractor
- One point of contact for door, window, roof, and structural scopes that come up mid-job
Styles & brands we work with







Common Therma-Tru Construction Problems We Solve in San Bruno
- Fog-driven finish failure and threshold rot. Bay-facing homes in San Bruno sit in marine fog for long stretches, keeping exterior door slabs damp. Older Fiber-Classic wood-grain finishes chalk, crack at the chalk lines, and blister at the painted threshold edges once the finish lets go. We see this on nearly every west-facing ranch off the Crestmoor slope.
- Dragging and plane-scraping from out-of-square rough openings. Post-WWII ranch homes in San Bruno were framed fast, and their door rough openings are frequently out of plumb. A prehung Therma-Tru slab set into one of these will drag at the strike jamb within a season, and homeowners read it as a door defect. It’s a frame problem, and we fix the frame.
- Sill leaks and drafty patio doors. Corrosion on the weather side hinges and threshold hardware, plus UV and salt-laden wind hardening the sweep and weatherstrip, means bay-facing patio doors leak at the sill and draft all winter. It’s the most common service call we get in San Bruno.
- Hinge-bind and sidelite cracking on Skyline-side entries. Wind exposure is higher on the Skyline-side hills, and when a foundation retrofit or slab edge movement shifts the frame, entries take hogging. Sidelites crack at the glazing bead, and the door starts binding. This shows up in hillside custom homes more than anywhere else in San Bruno.
- Fog-soaked slab delamination. When a Fiber-Classic bottom rail has been wet for years, the fiberglass skin separates from the core. The real fix is replacement, not caulk. We’ll tell you that straight up.
Therma-Tru Service in San Bruno: What Local Conditions Mean for Your Door
Here’s something a generic Therma-Tru page or a flatland Peninsula page won’t tell you. Because the San Andreas Fault is mapped right through San Bruno and the hillsides are USGS-mapped for liquefaction and landslide risk, an exterior door replacement that enlarges a rough opening or adds a sidelite can pull the entire wall into a shear-wall or foundation-bolting scope. Geotechnical reports, soil-driven engineering, seismic detailing, these are routine on San Bruno jobs and almost nonexistent on flatland Therma-Tru service in Millbrae or Burlingame jobs. We know that a door swap here is often a rough-opening and flashing job, not a slab swap, and we price and schedule accordingly.
We saw exactly this on a bay-facing ranch off the Crestmoor slope. The homeowner called us out for a Therma-Tru Fiber-Classic entry that had started dragging and leaking at the sill after a wet winter. Opening the stucco at the jamb revealed an out-of-square 1950s rough opening with a rotted sub-sill. We reframed and re-flashed the opening, installed a new prehung Smooth-Star unit with a genuine Therma-Tru threshold and sweep, and detailed the flashing to shed fog-side runoff away from the wall. The door sealed tight through the next storm season. Build it right the first time, the second time costs twice as much and nobody’s happy.
Therma-Tru Models & Products We Service in San Bruno
We service the full Therma-Tru residential lineup that shows up in San Bruno’s 1940s-1960s ranch tracts and newer hillside custom homes. Fiber-Classic entry doors with their wood-grain fiberglass slabs, Smooth-Star entry and patio doors, Classic-Craft premium fiberglass entries, and the factory prehung door systems with multipoint or fixed hinge hardware.
Our parts approach is straightforward. We use genuine Therma-Tru components, thresholds, sweeps, weatherstrip, hinges, glazing beads, because factory kerfs are precise and aftermarket seals do not seat correctly. We stock common thresholds and sweeps for fast San Bruno turnaround, and we order model-specific hardware directly. When a slab is sound, we repair. When fog has delaminated a bottom rail or a cracked sidelite has compromised the frame, we replace.
See the difference
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AfterTherma-Tru Service Pricing in San Bruno
Most Therma-Tru service calls in San Bruno involve either a focused repair or a replacement that carries additional scopes like reframing, flashing, or seismic detailing. Your materials, our craftsmanship, priced as a line-item quote, not a lump sum.
| Common Scopes on San Bruno Therma-Tru Jobs | Typical Range |
|---|---|
| Window Replacement (often paired with entry door work) | $4,500 – $15,000 |
| Roof Repair (flashing or leak remediation above a door opening) | $400 – $1,800 |
| Home Addition (when a door opening becomes part of a larger structural scope) | $45,000 – $130,000 |
What drives the cost: whether the rough opening is square or needs reframing, whether a shear-wall or foundation-bolting scope gets triggered, and whether the existing slab is salvageable. Every estimate is free, written, and line-itemed. Call (844) 681-3590 and we’ll walk the door with you.
Serving San Bruno, CA — Our Local Coverage Area
We’re a San Bruno General Contractor based in this 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 Bruno
Yes, in a very direct way. If your replacement enlarges the rough opening or adds a sidelite, it can require a geotechnical report, shear-wall detailing, and foundation bolting as part of the same scope. We sequence door work alongside those structural requirements so you get one permit, one crew, one point of contact. Call (844) 681-3590 for an exact quote on your specific home.
In San Bruno, it’s almost always the rough opening, not the door. The 1940s-1960s ranch frames were built fast and often out of square, and years of damp air work the framing further. The slab gets blamed when it’s actually the jamb. We check the frame geometry before touching the door. Call (844) 681-3590, we’ll diagnose it on site.
If the slab and frame are sound, replacing the sweep, weatherstrip, and threshold with genuine Therma-Tru parts usually solves the leak and draft. If the bottom rail is fog-soaked and delaminating, or the frame has corroded at the sill, you’re looking at replacement. We’ll show you the difference with the door open. Call (844) 681-3590 for a free assessment.
We don’t shim it and hope. We check the king and jack studs, the header, and the sub-sill for rot, then reframe to plumb and square before setting the prehung unit. That’s the only way a Therma-Tru door seals and stays sealed. We also re-flash the opening to shed fog-side runoff. Estimates are free, call (844) 681-3590.
No. We’re an independent general contractor who offers our Home Remodeling in San Bruno and installs and services Therma-Tru doors across the city. We’re not authorized, sponsored, or endorsed by Therma-Tru, and we buy genuine parts on the open market like any other contractor. What we offer is hands-on familiarity with their product lines and honest repair-vs-replace guidance.
Service Areas Near San Bruno
We also service homes across the Peninsula and north into the city. For Therma-Tru work just south of San Bruno, see our Therma-Tru service in South San Francisco. If you’re further up the bay side, we cover Therma-Tru service in Brisbane as well.
Book Your Therma-Tru Service in San Bruno Today
If your Therma-Tru door is dragging, leaking, or showing fog-era wear, don’t wait for another wet winter to find out what’s behind the jamb. Call (844) 681-3590 to schedule your free estimate. We’ll inspect the door, the rough opening, and the flashing, then give you a written line-item quote.
Written by Noel Carbajal, Owner at Framework Contractors, serving San Bruno and the greater Peninsula since 1996.