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Therma-Tru Construction in Burlingame, CA | Brookside Contractors
We provide independent Therma-Tru door installation, repair, and replacement across Burlingame. Brookside Contractors is not a manufacturer-authorized dealer, which means we tell you what the door actually needs rather than what a brand rep wants sold. The thing that makes our Therma-Tru work different here comes down to one fact: we’ve opened enough walls in this city to know what’s behind them. Call (833) 725-3508 for a free estimate.

Why Burlingame Residents Choose Us for Therma-Tru Service
We’ve installed, repaired, and re-hung hundreds of Therma-Tru door systems across Burlingame’s 1920s bungalows and post-war ranches. That matters because a door is only as good as the frame it sits in, and Burlingame frames are rarely square, rarely standard, and rarely cooperative. Nate Burrell, our owner and Burlingame Home Remodeling contractor, grew up around framing and spent two decades on job sites before starting Brookside. He’s the one who walks every job first, measures the opening himself, and tells you straight whether the slab can be saved or the whole assembly needs to go.
Our Therma-Tru sales & service work covers the full picture: the slab, the jamb, the sill, the weatherstripping, the multipoint hardware, and the header above the opening. We keep OEM Therma-Tru sills, sweeps, and weatherstrip on hand for the common part numbers, so a leaking threshold on a Smooth-Star entry door doesn’t sit open for two weeks waiting on a shipment. For full replacements, we’re on the ground across Burlingame service area every week, which means scheduling doesn’t drag.
Styles & brands we work with







Common Therma-Tru Construction Problems We Solve in Burlingame
- Blistered and chalked door skins on dark-painted Smooth-Star slabs. Burlingame’s winter rain soaks the south- and west-facing entries, then the low-angle sun comes out and bakes the moisture into the fiberglass skin. Dark paint makes it worse. We see peeling clearcoat and chalky residue on Smooth-Star doors all over the east flats. The fix is usually a proper surface prep and refinish, not a new door.
- Hardened and compressed adjustable sills that let wind-driven rain under the threshold. After 15 to 20 years, the original Therma-Tru sill gasket loses its spring and the weatherstripping compresses flat. On exposed entries in Burlingame, where winter storms push rain almost horizontal off the bay, that means water puddling inside the door. We replace the sill with an OEM Therma-Tru composite unit and tune the sweep.
- Delaminating wood-veneer and composite edges on older Fiber-Classic doors. Burlingame’s marine moisture works its way into the edge banding where the slab meets the frame, especially on doors that face the damp air off the bay. The veneer starts lifting and it looks like rot. Sometimes it is early-stage delamination and we can re-bond and seal it. Sometimes the core absorbed too much moisture and replacement is the honest answer.
- Binding multipoint locks and hinges on Classic-Craft doors in older homes. Pre-1940 Burlingame houses settle. Foundations move. Headers that were undersized in the first place flex a little more each wet season. The result is a Classic-Craft door that locks fine in September and binds in February. We correct the frame, reinforce the header if needed, and rehang the door so the multipoint system actually engages cleanly.
- Fogged glass inserts that came with the original door. The sealed units in older Therma-Tru doors eventually lose their argon or develop micro-cracks in the seal. Burlingame’s temperature swings between warm days and cool bay nights accelerate that failure. We source high-quality aftermarket glass units sized to the slab when the original is fogged beyond saving.
Therma-Tru Service in Burlingame: What Local Conditions Mean for Your Door
Because Burlingame’s pre-1940 bungalows in Burlingame Park and Easton were framed before standardized door openings, most Therma-Tru replacements here require custom jamb extensions and header work rather than a drop-in swap. We rarely see this in neighboring newer cities. The rough openings on a 1926 Craftsman off Burlingame Avenue aren’t 36 by 80. They’re 35⅜ by 81½, out of square by half an inch, with a header that’s a single 2×4 laid flat because that’s what the original builder had in the truck. A stock Therma-Tru door doesn’t slide into that. We build the jamb extensions, shim the opening, reinforce the header where it’s undersized, and install the door so it plumb, level, and square in the opening. That’s the difference between a door that seals for 20 years and one that starts leaking the first winter. On one 1926 Craftsman bungalow off Burlingame Avenue, our crew found the original Therma-Tru Fiber-Classic entry door had a delaminated bottom rail and a failed adjustable sill that was letting winter rain puddle on the oak floor. We replaced the sill with an OEM Therma-Tru composite unit, rehung the slab on new hinges, and added a custom jamb extension to fit the out-of-square opening, keeping the door and stopping the leak without a full replacement. That’s the work most door companies won’t touch because it means actual carpentry.
Therma-Tru Models & Products We Service in Burlingame
We work on the full Therma-Tru lineup that shows up in Burlingame homes: Smooth-Star fiberglass entry doors, the Fiber-Classic collection, Classic-Craft American Style doors, and Benchmark patio doors. For parts, we use OEM Therma-Tru sills, sweeps, weatherstrip, and multipoint hardware because the fit and finish matter on a door that faces marine weather. We use high-quality aftermarket glass units when the original sealed unit fogs, since Therma-Tru doesn’t sell glass separately anymore in most inserts. If the slab is structurally sound, we repair and rehang. We only recommend full replacement when the skin, frame, or lock bore is compromised.
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AfterTherma-Tru Service Pricing in Burlingame
Therma-Tru work in Burlingame sits inside our Burlingame General Contractor pricing. The three most common service lines tied to door work on this page:
| Service | Price Range |
|---|---|
| Roof Repair | $400 – $1800 |
| Walk-In Shower Installation | $4500 – $12000 |
| Full Kitchen Remodeling | $14000 – $45000 |
Your Therma-Tru door repair or replacement gets a written line-item quote before any work starts. The cost driver is almost always what’s behind the slab: framing condition, header size, rot at the sill, and whether the rough opening is square. Our estimates are free. Call (833) 725-3508 and we’ll schedule a walkthrough, measure the opening, and give you a real number.
Serving Burlingame, CA — Our Local Coverage Area
We’re based in the Burlingame 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 Burlingame
Yes, in most cases. If the existing jamb is sound, shimmed correctly, and the rough opening isn’t badly out of square, we can pull the old slab, hang a new Therma-Tru slab on fresh hinges, and route the hardware to match the existing strike locations. We do this regularly in Burlingame when the frame is still solid but the skin or the edge is failing. Call (833) 725-3508 and we’ll tell you if your frame is a candidate after seeing it.
Rainy-season sticking is almost always moisture expansion in the wood subframe and jamb, combined with slight foundation movement as Burlingame’s clay-heavy soil takes on winter water. Older homes with pre-code foundations shift a little more each wet season, and that movement transfers right to the door opening. The fix is squared-up framing, proper shimming, and sometimes a header reinforcement. We see it all winter in Burlingame Park.
Therma-Tru recommends acrylic latex exterior paint for their fiberglass doors. In Burlingame’s marine air, we tell clients to stick with 100% acrylic latex or urethane-modified acrylic, and to avoid dark colors on south- and west-facing entries unless they want to repaint more often. Dark-slab chalk and blister is the single most common finish failure we address on Smooth-Star doors in the east flats. We can prep and refinish or replace the slab if the skin is beyond saving.
For a straight door-for-door swap with no structural changes, BAAQMD doesn’t require anything special beyond standard dust control during any demo, and Title 24 applies mainly to the door’s U-factor and solar heat gain if it’s a glazed door or sidelite assembly. Where it gets real in Burlingame is when the opening needs header work or reframing: that’s a structural change, which pulls a permit, and Title 24 energy compliance may need to be verified before final sign-off. We handle the permitting and inspection side, so you’re not dealing with it alone. Call (833) 725-3508 with your address and we’ll tell you what your specific project touches.
If the slab is structurally sound, the fiberglass skin isn’t compromised, and the frame hasn’t rotted, repairing is usually the cheaper and smarter call. We’ve saved plenty of 20-year-old Burlingame doors with a new sill, new weatherstrip, and rehung hinges. If the door is a Classic-Craft or Fiber-Classic that’s delaminating at the edges, or the lock bore is blown out from years of forcing a binding lock, replacement starts to make more sense. We’ll walk you through the math either way. Free estimates: (833) 725-3508.
Service Areas Near Burlingame
We run our Therma-Tru work from Burlingame into the surrounding Peninsula and South Bay communities, including Therma-Tru service in Hillsborough, Therma-Tru service in Millbrae, San Mateo, and Foster City. If you’re in one of those areas and dealing with a leaking sill or a sticking Classic-Craft, call us.
Book Your Therma-Tru Service in Burlingame Today
Do it once, do it right, everything else is just a future repair bill. If your Therma-Tru door is leaking, binding, or showing its age, call (833) 725-3508 to schedule a free estimate. We’ll measure, assess the framing, and give you an honest line-item quote.
Written by Nate Burrell, Owner at Brookside Contractors, serving Burlingame and the surrounding Peninsula.