Kitchen remodeling
Bathroom remodeling
Home additions & ADU
Roofing
Windows & doors
Driveway & pavers
FenceFree written scope consultation - allowances, timeline, and change-order rules on paper before a single trade is scheduled
Therma-Tru Construction in Lompico, CA | Timberline Contractors
We’re an independent construction firm that installs, repairs, and services Therma-Tru door systems throughout Lompico, and the short answer is this: we handle everything from a sagging Fiber-Classic entry door to a full replacement that has to clear Santa Cruz County fire-hardening review before the first hinge comes off. Lompico is not Scotts Valley or Felton. It’s an unincorporated canyon community where every exterior door decision runs through county plan check, CAL FIRE severity zones, and steep-driveway logistics most contractors never think about. That’s the work we do. Call (866) 253-5808 for a free estimate.
We’re not authorized, sponsored, or endorsed by Therma-Tru. We’re a licensed general contractor that has installed and serviced Therma-Tru entry doors, patio doors, and sidelight systems across the Santa Cruz Mountains long enough to know exactly how these doors behave in damp redwood shade and on shifting pier-and-beam foundations. Our Therma-Tru sales & service work spans the full product catalog, and our Lompico clients get the same straight talk Nelson Fung gives every homeowner: repair what’s worth repairing, replace what isn’t, and never cut corners on weatherseal or sill flashing in a canyon that stays wet eight months a year.
Why Lompico Residents Choose Us for Therma-Tru Service
The short version: we know Therma-Tru door construction at the component level, and we know Lompico’s permitting and terrain realities because we’ve pulled county permits and staged materials on driveways up here that a box truck can’t climb. Nelson Fung learned the trade formally at Los Angeles Trade-Technical College before spending years on residential and commercial builds across the LA basin. That experience taught him something useful: a door is only as good as the rough opening it’s hung in. In Lompico, where many homes are 1960s cabin-era construction on sloping lots, the rough opening is usually the problem.
We use Therma-Tru OEM or equivalent-quality aftermarket parts – thresholds, sweeps, weatherseal, glass inserts – matched to the specific door series so repairs hold up through wet winters and dry summers. If a slab or frame is structurally compromised, we’ll tell you whether targeted repair or full replacement is the smarter long-term investment. That candor is why homeowners across the Lompico service area call us instead of a door-and-window shop that treats every job like a swap-out.
Styles & brands we work with
Common Therma-Tru Construction Problems We Solve in Lompico
These are the failure patterns we see repeatedly in Lompico, not generic door complaints:
- Bottom rail rot and threshold delamination. Redwood duff and shaded dampness hold moisture against the sill for months. Fiberglass skins handle it better than wood, but the bottom rail and threshold assembly still absorb water if the original flashing wasn’t done right – and on 1960s cabins, it usually wasn’t.
- Chalking and fading on south- and west-facing entries. After the fog burns off, canyon sun hits hard. Fiber-Classic and Smooth-Star skins hold up well, but the finish layer breaks down faster on exposed Lompico entries than on shaded canyon walls. We see it every summer.
- Hardened, torn weatherstripping and sweeps. Cyclic wet-dry exposure – storm season followed by dry heat – makes rubber and vinyl seals crack. That’s why Lompico doors draft during winter storms even when the slab itself is fine.
- Racking frames and binding doors. Older pier-and-beam foundations shift on Lompico’s slopes. A door that swung fine in October starts sticking by February because the frame moved a quarter inch. No amount of hinge adjustment fixes a foundation problem.
- Water intrusion around sidelights and patio door systems. Multi-panel Therma-Tru patio assemblies leak at the mull joints when hillside runoff and wind-driven rain hammer the exposure. Proper sill pan flashing matters more here than almost anywhere else we work.
Therma-Tru Service in Lompico: What Local Conditions Mean for Your Equipment
Here’s something you won’t read on a generic Therma-Tru page. Because Lompico is unincorporated Santa Cruz County canyon land with no city building department, any exterior door replacement that changes the opening size or is part of a larger remodel must clear county plan check and CAL FIRE “very high” severity zone fire-hardening requirements. That’s a dual review. A door swap in Felton or Scotts Valley doesn’t carry the same fire-zone scrutiny. What does that mean for your Therma-Tru project? The rough opening, the flashing detail, and sometimes the door material itself have to satisfy ember-resistance standards before the county signs off. We handle that sequencing. On a steep driveway off Lompico Road, we replaced a failing Therma-Tru Fiber-Classic entry door on a 1960s redwood cabin a while back. The bottom rail had rotted from years of shaded dampness, and the rough opening was out of square from pier settling. We rebuilt the sill pan with ember-resistant flashing to satisfy county fire review, shimmed and re-squared the frame, and hung a new Smooth-Star door with upgraded weatherseal. It held through the next winter storm without a leak.
Therma-Tru Models & Products We Service in Lompico
We work on the full Therma-Tru residential lineup: the Fiber-Classic entry door series, Smooth-Star fiberglass doors, the Classic-Craft collection, and Therma-Tru patio and sidelight systems. For each one, we match parts by series – thresholds, corner seals, glass inserts, and weatherseal – rather than grabbing whatever’s on a supply-house shelf. We keep common OEM-compatible components staged for Lompico jobs because running back down the canyon mid-repair burns half a day. If a slab is too far gone, we’ll say so. Our Lompico clients also use us for the bigger scope that often rides alongside door work: full kitchen remodeling, bathroom remodels, and roof replacement and installation. One contractor covering all of it beats coordinating three separate trades on a road that barely fits one truck.
See the difference
Before
After
Before
After
Before
AfterTherma-Tru Service Pricing in Lompico
Pricing for Therma-Tru door work in Lompico follows the same market range our clients see across the San Lorenzo Valley corridor, with one Lompico-specific variable: access. If your driveway needs a small-load delivery or extra staging, that’s a line item we’ll name upfront, not a surprise buried in the final invoice. Here are our current project ranges for the broader work we do in Lompico:
| Project | Typical Range in Lompico |
|---|---|
| Window Replacement | $4,500 – $15,000 |
| Roof Replacement | $8,000 – $20,000 |
| Bathroom Remodel | $9,000 – $28,000 |
| Kitchen Remodel | $14,000 – $45,000 |
What drives the door-specific cost: whether the rough opening needs re-framing, whether county fire review applies, and whether you’re repairing a slab versus replacing the entire entry system. Every estimate is free, written, and line-itemed. Call (866) 253-5808 and we’ll walk the site, check the frame, and give you a number you can plan around.
Serving Lompico, CA — Our Local Coverage Area
We’re based in the Lompico 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 Lompico
If you’re swapping a door slab in the existing opening and not altering the rough opening size, county permit requirements are generally lighter. If the opening changes or the door work is part of a larger remodel, you’ll need Santa Cruz County plan check and likely CAL FIRE fire-hardening review because Lompico sits in a “very high” fire severity zone. We handle the permit path either way and tell you before we start which one applies. Call (866) 253-5808 and we’ll check your specific situation.
It’s rarely the slab. Lompico’s pier-and-beam foundations shift on slopes, and that movement racks the frame out of square. When the door starts binding or dragging, the fix is usually frame re-shimming or, in older cabins, addressing the foundation settling under the door. We diagnose it on-site before recommending any repair work.
Yes. Classic-Craft gives you wood-grain depth that suits 1960s redwood cabin aesthetics, while Smooth-Star reads cleaner if you’re going for a more modern mountain look. We’ll bring samples and finish options to your Lompico home and match the existing entry style. Call (866) 253-5808 to schedule that.
We plan the logistics before ground is broken. For most Lompico driveways, that means small-load delivery, hand-carrying the door assembly up the grade, or staging a pickup at the road and walking materials in. If a boom lift or concrete pump can’t reach the site, we sequence around it. Most door replacements don’t need heavy equipment, but we always confirm access before scheduling.
Stop the moisture at the sill. In Lompico’s shaded damp, that means rebuilding the sill pan with proper flashing, adding ember-resistant detailing if county fire review applies, and upgrading the weatherseal and sweep so water never sits against the rail again. We’ve done exactly this on multiple Lompico cabin entries. For an exact quote on your door, call (866) 253-5808 – estimates are free.
Service Areas Near Lompico
Our Therma-Tru construction service covers Lompico and the surrounding Santa Cruz Mountains communities. We also provide Therma-Tru service in Ben Lomond and Therma-Tru service in Bonny Doon, plus work throughout the San Lorenzo Valley corridor and into the wider Bay Area when the project warrants it.
Book Your Therma-Tru Service in Lompico Today
We’ll walk your Lompico property, check the door, the frame, and the access, and give you a written estimate that accounts for county fire review if it applies. That’s the whole job, start to finish. Call (866) 253-5808 to schedule it.
Written by Nelson Fung, Owner & General Contractor at Timberline Contractors, serving Lompico and the Santa Cruz Mountains through independent Therma-Tru construction service. Do it right the first time or explain yourself twice.