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Therma-Tru Construction in Lexington Hills, CA | Milpitas Construction
Milpitas Construction provides independent Therma-Tru door installation, repair, and replacement across Lexington Hills and nearby communities, including Los Gatos Therma-Tru service. We work with Fiber-Classic, Smooth-Star, and Classic-Craft lines, plus Therma-Tru patio and sliding systems, and we are not authorized, sponsored, or endorsed by Therma-Tru. What makes our work different up here is simple: we plan every job around steep access lanes, fog-driven moisture, and Santa Clara County fire-safety review. Call (877) 752-4194 for a free estimate.
Why Lexington Hills Residents Choose Us for Therma-Tru Service
Ken Stafford, our owner, cut his teeth on construction technology at Evergreen Valley College before spending more than two decades running builds and remodels around the South Bay and the mountains above it. That background means our crew reads a rough opening the way a finish carpenter’s son would: check the reveal, check the plumb, check the sill. In Lexington Hills and places like Monte Sereno, where older redwood-era cabins settle and shift, that habit keeps a new Therma-Tru door from turning into a warranty headache — the same discipline we bring to Therma-Tru service in Monte Sereno.
We spec materials by name. When a homeowner calls us about a Therma-Tru entry door that has cracked at the bottom rail, we do not talk around it. We explain whether the slab is worth saving with genuine Therma-Tru replacement components, or whether the frame and flashing have failed to the point where a properly flashed, fire-rated assembly makes more sense. That honesty comes from working with these doors across the Santa Cruz Mountains, not from reading a catalog.
We are a full-scope general contractor, which means the same crew that sets your Therma-Tru door can handle the adjoining siding, threshold, or deck repair that the job actually needs. One contractor, one conversation.
Styles & brands we work with
Common Therma-Tru Construction Problems We Solve in Lexington Hills
- Bottom-rail blisters and hairline cracks. Wind-driven winter rain and splashback sit at the base of fiberglass slabs on hillside entries without deep roof overhangs. We see it on older Lexington Hills cabins where the door is tucked tight against the slope and the overhang is almost nothing. The fix is either a genuine Therma-Tru replacement lite or slab section, or a full replacement if the crack runs through.
- Steel-edge rust and finish peeling on foggy, west-facing exposures. Morning fog settles on doors that face the marine layer and does not burn off until late. Condensation lingers, and steel edges start to rust under the paint. We treat the surface, replace rusted threshold components, and reseal before it spreads.
- Warped slabs and sticking locks on settling foundations. A heavy Therma-Tru replacement door hung in an out-of-plumb rough opening will sag within a couple of seasons. On steep Lexington Hills parcels, foundation creep is common, and the door shows it first. We rebuild the rough opening plumb, then hang the door correctly.
- Failed weatherstripping, sweeps, and threshold gaskets. These are quiet failures until you see daylight under the door or find ember-sized gaps. In wildland-urban interface country, that gap is a fire-safety problem, not just a draft. We replace with materials rated for the exposure.
- Fogged insulated glass on Therma-Tru patio doors. Thermal cycling between cool mountain nights and warm afternoons stresses the seal on dual-pane units. Years of that, and the glass fogs permanently. We replace the insulated glass unit and reflash the frame while we are in there.
Therma-Tru Service in Lexington Hills: What Local Conditions Mean for Your Equipment
The single biggest difference between a Therma-Tru job in Lexington Hills and one in San Jose is the County. Lexington Hills is unincorporated Santa Clara County, not a city, so an exterior door replacement is permitted and inspected through the County, and in this wildland-urban interface, exterior door assemblies are reviewed for fire-resistance and ember intrusion. Pick a door without the right rating or flash it sloppily, and the inspector will flag it. That is a local reality a generic Therma-Tru page never mentions.
It also shapes repair-versus-replace calls. If a fiberglass slab on a Lexington Hills cabin has cracked through and the original frame is shot, patching it buys you a season, not a County sign-off. We tell owners straight when replacement with a properly flashed, fire-rated assembly is the only move that makes sense up here.
Therma-Tru Models & Products We Service in Lexington Hills
We install and service the full Therma-Tru residential range: Fiber-Classic fiberglass entry doors, Smooth-Star fiberglass doors, Classic-Craft premium entry systems, and Therma-Tru patio, sliding, and French door systems with Low-E glass. We use genuine Therma-Tru replacement glass lites, sills, sweeps, weatherstripping, and hinges where the slab and frame are sound. When an OEM component is discontinued or backordered, we turn to quality aftermarket hardware we would put on our own doors.
Because we run other exterior and interior projects in Lexington Hills weekly, common Therma-Tru wear parts are stocked on our trucks more often than you would expect for a mountain service area. It cuts turnaround time when a sweep or hinge is the only thing standing between you and a door that actually seals.
See the difference
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AfterTherma-Tru Service Pricing in Lexington Hills
Therma-Tru work usually rides alongside a larger exterior or remodeling scope, so pricing depends on what we find when the old door comes out. Here are the ranges we quote most often for Lexington Hills projects:
| Scope | Price Range |
|---|---|
| Window Replacement | $4,500 – $15,000 |
| Full Kitchen Remodeling | $14,000 – $45,000 |
| Full Bathroom Remodeling | $9,000 – $28,000 |
A free estimate includes measurements, slab and frame assessment, and a written line-item quote with the door model, flashing approach, and any rough-opening or threshold repair called out by name. Call (877) 752-4194 to schedule one.
Serving Lexington Hills, CA — Our Local Coverage Area
We’re based in the Lexington Hills 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 Lexington Hills
Yes, for an exterior door replacement in unincorporated Lexington Hills you will typically need a Santa Clara County building permit, and because this is a wildland-urban interface, the door assembly will be reviewed for fire-resistance and ember intrusion. We handle the permit application and inspection as part of the job. Call (877) 752-4194 and we will walk you through what the County will ask for on your specific property.
It depends on how deep the cracking runs and what the frame looks like. If the slab is otherwise sound and the frame is dry, we can often replace the affected bottom rail section with genuine Therma-Tru components. If the crack runs through the slab or the sill is rotted from Lexington Hills rain and poor flashing, replacement is usually the straighter call. We will show you the damage and let you decide with a written quote in hand.
Lexington Hills sits at 1,000 to 2,000 feet in the Santa Cruz Mountains, so you get cool nights, warm afternoons, and morning fog that the valley rarely sees. That daily thermal cycling stresses the edge seal on insulated glass units until they lose their charge and fog permanently. The fix is a new insulated glass unit, and while we are in there we check the frame and flashing. Call (877) 752-4194 for a patio door assessment.
Sometimes, but not always. Steep private lanes and narrow mountain roads in Lexington Hills often cannot fit a standard delivery rig, so we plan material staging with smaller trucks or coordinate around the tightest curve. We assess access before we quote, so the delivery method is already handled by the time you sign.
Yes. Therma-Tru fiberglass entry and patio door systems can be specified with fire-rated assemblies, Low-E glass, and ember-resistant weatherstripping and sweeps that help an older Lexington Hills cabin meet wildland-urban interface review. The key is the flashing and sealing details, not just the door itself, and that is where installation quality decides whether the County inspector passes it. Call (877) 752-4194 to talk through your specific exposure.
Service Areas Near Lexington Hills
We serve the mountain communities and nearby towns around Lexington Hills, from Therma-Tru service in Woodside to Therma-Tru service in Emerald Lake Hills. We also run jobs in San Juan Bautista, Castroville, Prunedale, and Silver Lakes. For a full look at where we work, see our Lexington Hills service area page, or explore our broader Therma-Tru sales & service work.
Written by Ken Stafford, Owner at Milpitas Construction, serving Lexington Hills and the surrounding Santa Cruz Mountains communities.
Book Your Therma-Tru Service in Lexington Hills Today
Build it right the first time, the Bay Area does not give you a free pass on shortcuts. Call (877) 752-4194 and we will put a real number on your Therma-Tru door repair or replacement in Lexington Hills, free of charge.