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Therma-Tru Construction in Las Lomas, CA | San Mateo Construction
We provide independent Therma-Tru door installation and repair across Las Lomas, and the one thing that makes our Therma-Tru work here different is that we build every job around the Pajaro Valley fog belt. Entry doors on north- and west-facing walls in Las Lomas stay damp for weeks at a time, so flashing, back-priming, and sill drainage matter more here than they do ten miles inland. If your Therma-Tru door is sticking, swelling, or cracking at the bottom rail, call us at (855) 901-7266 for a free estimate.
We’re a full-service general contractor, not a manufacturer-authorized shop. That means we recommend what actually works for your house and your budget, whether it’s an OEM slab replacement or a full door swap. We also handle the surrounding scope: roof repair that stops water from reaching the door in the first place, kitchen and bathroom remodeling that ties into the same entry, and siding or threshold work that keeps the opening watertight. One contractor, from roofline to foundation.
Why Las Lomas Residents Choose Us for Therma-Tru Service
Therma-Tru fiberglass doors are common on older Las Lomas homes, and by now we know how they age here. Fog, damp winters, and dirt-road dust all work on door slabs and hardware differently than they would in a dry inland subdivision. We’ve handled enough of these doors on farmworker housing and ranch-style houses to know exactly where they fail first: bottom rails, lock rails, and patio door tracks.
Noel Carrington grew up in the Baywood neighborhood of San Mateo, a few blocks from Coyote Point, where he spent weekends helping his father pour concrete footings for a backyard workshop. That’s how he got into the trade. He studied construction technology at Skyline College in San Bruno, then spent the better part of three decades working residential and light commercial jobs across San Mateo County. Tell me what you actually need, and we’ll figure out the right way to build it.
When you call us for Therma-Tru work in Las Lomas, you’re getting a contractor who understands the whole door opening, not just the slab. We source OEM Therma-Tru parts when the frame is sound, we know which models hold up best under coastal fog, and we won’t sell you a replacement door if the existing one can be repaired properly. Learn more about our Therma-Tru sales & service.
Styles & brands we work with
Common Therma-Tru Construction Problems We Solve in Las Lomas
- Hairline cracks and bubbling on Fiber-Classic and Smooth-Star door skins. Persistent fog and wet winters keep the bottom of the slab damp, especially on north-facing walls with no roof overhang. We see this constantly on older Las Lomas houses. The fix is usually an OEM replacement slab, back-primed on the bottom edge before install.
- Rot and swelling at the lock rail and bottom corners on wood-edged Therma-Tru doors. Older farmworker housing in Las Lomas often has shallow eaves, so doors take direct moisture for months. Swelling at the lock rail makes the deadbolt bind. We replace the affected slab or the full unit, depending on how far the rot has spread.
- Binding patio door rollers and corroded tracks on Silhouette sliders. Dirt-road dust and agricultural grit get into the rollers, and once the bearings start grinding, the door drags and the weather seal fails. We clean or replace the rollers with OEM parts and re-align the track so the door seats properly.
- Warped or delaminated frames and thresholds on Classic-Craft units. On sloped rural lots, water pools against the sill if the original installer skipped proper shimming and drainage. We pull the unit, re-flash with a sill pan, and reset the frame so water drains away instead of soaking in.
- Failed weatherstripping and door sweeps letting fog and dust through. Las Lomas homes deal with both damp air and fine dirt from unpaved roads. We replace worn sweeps and seals with materials that handle moisture without stiffening, and we add brush sweeps where driveways kick up dust.
Therma-Tru Service in Las Lomas: What Local Conditions Mean for Your Equipment
Las Lomas sits in a Pajaro Valley fog belt where exterior doors on north- and west-facing walls stay damp for weeks, so Therma-Tru fiberglass doors here need back-primed bottom rails and weep-hole flashing that would be overkill in sunnier inland markets. This is a specific, checkable condition of the area, not a generic coastal claim. The fog rolls in off Monterey Bay, settles into the valley, and hangs low over the agricultural parcels between Watsonville and the foothills. Doors that face the prevailing marine airflow never fully dry between winter storms.
On a rehab of an older farmworker house off Las Lomas Drive, our crew found a Fiber-Classic entry door with a cracked bottom panel and a swelling lock rail from years of fog exposure. We replaced the slab with an OEM Therma-Tru Fiber-Classic, re-flashed the threshold with a sill pan, and back-primed the bottom edge before reinstalling the lockset. The door now seals tight against the coastal damp, and we added a brush sweep to keep out the dust from the dirt driveway. That’s what we mean when we say we build for Las Lomas, not for a showroom in Salinas.
Most construction work in Las Lomas happens on and around historic agricultural properties: old farmworker housing, barns, and rural lots, plus in-fill projects on remaining open parcels, all under Monterey County building review rather than city permitting. Septic systems, wells, and dirt-road access are the norm. When we work on a Therma-Tru door here, we’re usually also coordinating with whatever else is happening on the property, whether that’s a roof repair, a room addition, or an outbuilding conversion. Our Las Lomas service area page explains the full scope of what we handle locally.
Therma-Tru Models & Products We Service in Las Lomas
We service the full Therma-Tru lineup that’s common in the Pajaro Valley. That includes Fiber-Classic and Smooth-Star fiberglass slabs, Classic-Craft wood-grain doors with wood edges, and Silhouette patio doors. We work on entry doors, side lights, transoms, and sliding patio units, and we install new Therma-Tru doors as part of larger remodels and additions.
For parts, we source OEM Therma-Tru replacement slabs, hinges, locksets, and patio-door rollers whenever the frame and structure are sound. OEM parts preserve fit and finish, which matters on older homes where frame dimensions have settled. When a door has multiple cracked panels or rotted edges, we recommend full replacement with a new Therma-Tru unit rather than patching, since repeated moisture exposure makes repairs short-lived. We keep common fasteners, shims, and sealants stocked for quick Las Lomas turnaround.
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AfterTherma-Tru Service Pricing in Las Lomas
Therma-Tru door work in Las Lomas usually falls within a predictable range, and we give you a written line-item estimate before any work starts. What drives the cost is whether you’re repairing a slab, replacing hardware, or swapping the entire unit, plus whether we’re dealing with rot in the rough opening. Here’s a look at what the broader work around a door opening can cost when it’s part of a remodel:
| Service | Typical Range |
|---|---|
| Kitchen Remodel | $14,000 – $45,000 |
| Small Kitchen Remodel | $9,000 – $20,000 |
| Bathroom Remodel | $9,000 – $28,000 |
| Small Bathroom Remodel | $5,000 – $12,000 |
| Roof Repair | $400 – $1,800 |
| Roof Replacement | $8,000 – $20,000 |
A free estimate from us means we come out, look at the door, the threshold, the rough opening, and the drainage around the entry, and give you a number that covers the whole job. No change orders from a subcontractor we don’t control. Call (855) 901-7266 to schedule yours in Las Lomas.
Serving Las Lomas, CA — Our Local Coverage Area
We’re based in the Las Lomas area and know this community well, and we also handle Therma-Tru repair in Corralitos. Use the map below to see our service coverage — if you’re nearby, we can almost certainly help.
FAQs – Therma-Tru Construction in Las Lomas
The Pajaro Valley fog belt keeps north- and west-facing door slabs damp for weeks at a time, and repeated moisture cycling causes the fiberglass skin on older Fiber-Classic and Smooth-Star doors to crack and bubble near the bottom rail. It’s worse on homes with shallow eaves or no storm protection at the entry. The fix is usually an OEM slab replacement, back-primed on the bottom edge, with a sill pan installed if the old one is missing or compromised. Call (855) 901-7266 and we’ll tell you whether your door is worth repairing or should be replaced.
Yes. Sticking on a Silhouette slider is almost always the rollers, and on Las Lomas dirt roads, the rollers fill with fine grit until the bearings bind. We pull the door, clean or replace the rollers with OEM parts, clean the track, and re-align everything so the panel glides and the weather seal compresses evenly. If the track itself is corroded, we’ll give you a price to replace the track before you spend more on rollers that won’t last. Call (855) 901-7266 for a free estimate.
They do. On sloped lots, water moves toward the entry unless the door is flashed with a sill pan that drains to the exterior, and the bottom of the slab needs to be back-primed so moisture can’t wick up into the fiberglass. Standard installation from a suburban playbook doesn’t handle the drainage patterns here. We re-flash every Therma-Tru door we reset in Las Lomas, whether it’s on a flat lot or a hillside parcel.
For most older farmworker houses here, we recommend the Smooth-Star line. It’s a fiberglass slab without the wood edge that rots on Classic-Craft units, and it handles fog exposure better than wood-edged doors when the house has shallow eaves. If you want a wood-grain look, Fiber-Classic gives you the texture without the wood edge. We’ll help you choose based on your exposure, roof overhang, and budget, and we’ll quote you both options. Call (855) 901-7266 and we’ll walk you through it.
Usually, yes. If the rough opening is square, the frame is sound, and the hinges are in good shape, we can order an OEM Therma-Tru slab and hang it in the existing frame, which saves you the cost of full tear-out and re-trim. If the frame has rot or the opening has settled out of square, we’ll tell you before we start, and give you a fixed price for the full replacement. Estimates are free, so call (855) 901-7266 and we’ll measure and give you the facts.
Service Areas Near Las Lomas
We serve Las Lomas and the surrounding communities of San Mateo, Burlingame, Highlands-Baywood Park, Foster City, Hillsborough, and Belmont. For door work further south, see our Therma-Tru service in Aromas. We also cover the next valley over through our Therma-Tru service in Elkhorn page.
Book Your Therma-Tru Service in Las Lomas Today
If your Therma-Tru door is sticking, cracking, or letting fog and dust through, don’t wait until the frame rots out behind it. Call (855) 901-7266 to schedule a free estimate in Las Lomas. We’ll come out, diagnose the door, and give you a written line-item quote for the repair or replacement.
Written by Noel Carrington, Owner at San Mateo Construction, serving Las Lomas and the broader Amesti area.