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Therma-Tru Construction in Ben Lomond, CA | Viceroy Construction
Viceroy Construction provides independent Therma-Tru service across Ben Lomond, CA, no manufacturer affiliation, just straight answers about which door assemblies hold up on Highway 9 hillside lots, plus Mount Hermon Therma-Tru service. Therma-Tru door work here goes through a WUI fire-hardening review and redwood-canopy moisture load that flatland contractors never contend with. That changes which slab, glazing, and finish we can specify. Call (877) 358-6557 for a free estimate, and we’ll walk your property before quoting a number.
Why Ben Lomond Residents Choose Us for Therma-Tru Service
Neil Drummond grew up in the Saratoga foothills and trained in the building trades program at West Valley College, where framing and structural coursework gave him a foundation he still uses when scoping a door replacement on a moving pier-and-beam cabin. We’ve installed and serviced Therma-Tru sales & service across the Santa Cruz Mountains long enough to know how Smooth-Star fiberglass and Benchmark steel behave under redwood canopy shade, winter runoff, and summer heat that bakes a south-facing entry after fuel thinning opens the tree line. We’re independent, so we source genuine Therma-Tru components or the best aftermarket substitutes for your door, not whatever a single manufacturer wants us to push. In Ben Lomond specifically, that independence matters because the WUI review dictates the assembly we can legally and practically install.
Styles & brands we work with







Common Therma-Tru Construction Problems We Solve in Ben Lomond
- Water infiltration at the sill and threshold pan. Ben Lomond’s winter rain runs off the ridge above slope-facing entries and drives water against doors that weren’t flashed or shimmed for hillside runoff. The sill pan rots, water gets under the fiberglass skin, and the door starts sagging. We rebuild the threshold with a properly sloped sill and flash the frame for the actual grade you’re on.
- Hairline cracks and finish blistering on fiberglass skins. A south- or west-facing Therma-Tru door that used to sit in redwood shade now bakes after defensible-space thinning opens the canopy. The fiberglass skin heats unevenly, the finish blisters, and hairline cracks spread. We’ll tell you honestly whether it’s a refinish job or a new slab.
- Frame and jamb swelling on pier-and-beam cabins. Older mountain homes in the 95005 corridor move with the seasons, and a Therma-Tru frame that closes fine in July sticks hard by January. The fix usually isn’t the slab, it’s re-shimming the jamb and adjusting the reveal so the door works year-round.
- Warped or delaminated slab edges on steel Benchmark doors. Constant coastal-mountain humidity attacks factory finishes that were never maintained, and hinge-side rot follows. Once the slab delaminates, replacement beats patching every time.
- WUI review stalls on door replacement. Lots under redwood canopy often can’t meet the defensible-space radius without tree removal or heavy fuel thinning, so the Cal Fire clearance and Chapter 7A review stall the permit before a door ever gets ordered. We scope the fire-rated assembly up front so you’re not stuck mid-project.
Therma-Tru Service in Ben Lomond: What Local Conditions Mean for Your Equipment
Here’s what nobody tells you about Therma-Tru doors in the 95005 corridor: the Highway 9 lots tucked under redwood canopy often fail the WUI defensible-space radius calculation before any permit gets issued. Cal Fire wants 100 feet of fuel clearance, and on a steep mountain parcel with mature redwoods, that means tree removal or aggressive thinning no homeowner planned for. The review drives which Therma-Tru door assembly, glazing, and finish we can actually specify, and it’s not negotiable at the counter. A Smooth-Star slab with the wrong glazing package gets bounced. A Benchmark steel door with a non-compliant frame gets flagged. We walk the property, check the canopy and the grade, and spec a door that passes the first time, because the details you don’t see are the ones that matter most. That’s true in Ben Lomond service area work more than anywhere we go.
Therma-Tru Models & Products We Service in Ben Lomond
We work on the full Therma-Tru residential lineup: Smooth-Star fiberglass entry doors, Classic-Craft collection fiberglass doors, Fiber-Classic entry doors, and Benchmark steel entry doors. For older mountain cabins with original Therma-Tru slabs that are worth keeping, we specify genuine slabs, frames, sills, and hardware where the door justifies the investment, and quality aftermarket thresholds, sweeps, and weatherstripping where factory parts can’t be sourced quickly. We keep common door sweeps, corner seals, and threshold pans on hand for Ben Lomond turnarounds, because waiting two weeks on a factory backorder while winter rain blows against an open threshold isn’t workable here. When we quote, we tell you which parts are genuine Therma-Tru and which are aftermarket, and why we made that call.
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AfterTherma-Tru Service Pricing in Ben Lomond
Door work doesn’t happen in a vacuum, and a lot of Ben Lomond Therma-Tru projects run alongside the rest of the house. Here’s what our work in and around this area actually runs, including Brookdale Therma-Tru service:
| Service | Price Range |
|---|---|
| Kitchen Remodel | $14,000 – $45,000 |
| Small Kitchen Remodel | $9,000 – $20,000 |
| Roof Replacement | $8,000 – $20,000 |
| Bathroom Remodel | $9,000 – $28,000 |
| Small Bathroom Remodel | $5,000 – $12,000 |
What drives the cost on a Therma-Tru job: the WUI review scope, the grade and water runoff pattern at the entry, whether the sill pan has failed, and whether the existing frame can be saved or needs full replacement. A free estimate means we walk the door and the lot, then give you a written line-item quote with fixed pricing, no change orders hidden in the fine print. Call (877) 358-6557 to schedule yours.
Serving Ben Lomond, CA — Our Local Coverage Area
We’re based in the Ben Lomond area and know this community well, and we also offer Therma-Tru in Lompico. Use the map below to see our service coverage — if you’re nearby, we can almost certainly help.
FAQs – Therma-Tru Construction in Ben Lomond
Yes, but only with the right assembly. Therma-Tru fiberglass and steel doors can be paired with fire-rated glazing, ignition-resistant frames, and non-combustible hardware that satisfy Chapter 7A when installed correctly. The catch on Highway 9 is that the defensible-space clearance review comes first, and if your lot fails that, the door spec changes. Call (877) 358-6557 and we’ll check your canopy and grade before you order anything.
Your door frame is moving with the house. Older Ben Lomond cabins on pier-and-beam foundations shift with wet-season ground swelling, and the jamb binds against the slab. The fix is re-shimming the frame and resetting the reveal, not planing the door. We do this regularly on redwood-era cabins in the 95005 corridor, and we also provide Therma-Tru service in Felton.
If the finish is blistered but the slab skin is structurally sound, a refinish is usually the better spend. If hairline cracks have opened through the skin or the slab edge is delaminating, replacement wins. We’ll tell you straight which bucket your door falls in, and what each path costs. Call (877) 358-6557 for an assessment.
It can. Door replacement often falls under the same Chapter 7A and defensible-space review as a roof replacement, and if your lot can’t clear the 100-foot radius without tree removal or heavy fuel thinning, the permit stalls. We scope the assembly and the clearance together so you know what you’re facing before you pay for a door.
Yes, we specify genuine Therma-Tru slabs, frames, sills, and hardware where the door warrants it, and quality aftermarket thresholds, sweeps, and weatherstripping where factory parts can’t be sourced quickly. You’ll know which is which before any work starts, and a free estimate gets you the full breakdown.
Service Areas Near Ben Lomond
From our base serving the Santa Cruz Mountains, we take Therma-Tru work into Therma-Tru service in Alum Rock for the hillside lots off Alum Rock Avenue, and Therma-Tru service in Milpitas for the foothill subdivisions at the edge of the valley. We also cover Saratoga, Monte Sereno, and Los Gatos.
Book Your Therma-Tru Service in Ben Lomond Today
Call (877) 358-6557 to schedule your free Therma-Tru estimate in Ben Lomond. We’ll walk the door, check the WUI clearance, and give you a written quote with fixed pricing.
Written by Neil Drummond, Owner at Viceroy Construction, serving Ben Lomond and the Santa Cruz Mountains.