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Therma-Tru Construction in Ben Lomond, CA | Iron Beam Contractors
Therma-Tru construction service in Ben Lomond means doors that hold up to redwood shade, winter rain, and wildfire code. We’re an independent contractor, not Therma-Tru-authorized, but we’ve installed and serviced enough of their door systems across the San Lorenzo Valley to know exactly where they fail here. Call (833) 756-5936 for a free estimate on repair or replacement, and we’ll tell you straight what your door needs before we touch a tool.
Why Ben Lomond Residents Choose Us for Therma-Tru Service
Therma-Tru builds a solid door, but Ben Lomond tests every component. Fiberglass skins stay damp under the redwood canopy. Sills take splashback from winter rain that runs down sloped lots. Thresholds sit against decks that hold water for days. We know those failure points because we’ve fixed them repeatedly on cabins and ranch homes from Love Creek Road up through the shaded lots off Highway 9.
Nolan Driscoll, our owner, learned construction the hands-on way through the Building and Construction Technology program at Santiago Canyon College before spending two-plus decades framing and installing across California. He built Iron Beam Contractors on a simple rule: tell the homeowner what’s in the wall before you open it. That’s how we handle every Therma-Tru door in Ben Lomond, whether it’s a rotted jamb on a 1960s cabin or a fire-rated replacement on a post-CZU rebuild.
We use OEM Therma-Tru parts whenever they’re available. Sills, sweeps, weatherstrip, glass lites. For obsolete models, we source quality aftermarket equivalents and tell you why. You get an honest repair-versus-replace readout based on how your specific Ben Lomond lot drains and shades, not a sales pitch.
Styles & brands we work with
Common Therma-Tru Construction Problems We Solve in Ben Lomond
- Moss and organic staining on north-facing fiberglass skins. The redwood canopy blocks sun for months, so Fiber-Classic and Smooth-Star doors stay damp far longer than doors in Scotts Valley or Boulder Creek. We clean, re-seal, and set up a maintenance cycle that actually works for a shaded Ben Lomond entry.
- Rotted wood-edge jambs and thresholds. Winter rain runs down sloped Ben Lomond lots and sits against the door. If your deck or walkway slopes toward the threshold, the jamb wicks moisture until it’s soft. We rebuild the rough opening, flash it correctly, and install a sloped sill pan so water moves away.
- Peeling factory finish at the bottom rail and edges. Moisture wicks up from a poorly flashed sill and blisters the finish on Fiber-Classic and Smooth-Star doors. If we catch it early, a re-seal buys years. If the skin is compromised, replacement is the honest call.
- Rusted-through steel entry doors on older cabins. Rain splashes the bottom edge, shade and debris keep it wet, and rust works through. Common on mid-century Ben Lomond cabins. We replace with fiberglass Therma-Tru doors that won’t rust and meet current WUI code.
- Sticking and dragging doors in winter. Ben Lomond’s clay-heavy soils expand with winter rain, and slope movement shifts door frames. Sometimes it’s a hinge adjustment. Sometimes it’s a foundation or drainage issue. We diagnose before we adjust, because a door that drags in December can be a symptom, not the problem.
Therma-Tru Service in Ben Lomond: What Local Conditions Mean for Your Equipment
Here’s the thing about Ben Lomond that a generic Therma-Tru brochure won’t tell you. The redwood canopy keeps north-facing entries shaded and damp, so the doors grow moss and organic staining on the slab and jambs faster than sun-exposed doors in nearby Scotts Valley or Boulder Creek. That turns routine cleaning and re-sealing into part of the door’s maintenance cycle, not a cosmetic afterthought — a reality we also address with Therma-Tru service in Felton.
We recently replaced a rotting Therma-Tru Fiber-Classic entry door on a 1960s cabin off Love Creek Road, where the north-facing door had moss growing on the bottom rail and the wood jamb was soft from years of splashback and shade — similar to what we see providing Brookdale Therma-Tru service. We rebuilt the threshold with a sloped sill pan, flashed it properly, installed a new Fiber-Classic door with factory finish and upgraded weatherstrip, then added a rain diverter above the door to keep runoff off the entry. That’s the difference between treating a symptom and fixing the conditions that caused it. On a Ben Lomond hillside, you have to do both.
Therma-Tru Models & Products We Service in Ben Lomond
We service the full Therma-Tru residential lineup: Fiber-Classic, Smooth-Star, Classic-Craft, and Benchmark, including through our Mount Hermon Therma-Tru service. Each has different trim tolerances, finish chemistry, and glass lite options, and we know which ones hold up best on shaded, sloped Ben Lomond lots. We keep common OEM parts on hand for fast turnaround: bottom sweeps, weatherstrip, adjustable sills, and standard glass lites. For less common Classic-Craft trim or specialty lites, we order OEM and schedule around the lead time. We don’t stock aftermarket parts that compromise fit.
Our Therma-Tru work ties into the broader scope of Therma-Tru sales & service we provide across the Santa Cruz Mountains, including full entry system replacement and fire-rated retrofits.
See the difference
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AfterTherma-Tru Service Pricing in Ben Lomond
What drives cost on a Therma-Tru door job in Ben Lomond is usually site conditions: slope, drainage, existing flashing, and whether the rough opening is square or settled. A simple sweep replacement is quick and inexpensive. A full door replacement with rotted jamb rebuild, new sill pan, and WUI-compliant weatherstrip runs higher because we’re fixing the opening, not just hanging a slab.
| Service | Typical Range |
|---|---|
| Window Replacement (per door with glass) | $4,500 – $15,000 |
| Roof Repair (flashing around door) | $400 – $1,800 |
| Bathroom Remodel (if door connects to bath) | $9,000 – $28,000 |
Every job starts with a free on-site assessment. We check the door, the flashing, the drainage, and the surrounding structure before we quote a number. Call (833) 756-5936 to schedule yours.
Serving Ben Lomond, CA — Our Local Coverage Area
We’re based in the Ben Lomond area and know this community well, with Therma-Tru in Lompico also within our service reach. 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. North-facing doors under redwood canopy stay damp long enough for moss and organic staining to develop on the slab and jambs. You’ll need to clean and re-seal the door surface once or twice a year, and check weatherstrip and sweeps before the winter rain hits. Call (833) 756-5936 if you want us to set up a maintenance plan for your specific lot.
Therma-Tru fiberglass doors can meet Chapter 7A requirements when specified with the right glazing and hardware, but the full assembly matters: frame, weatherstrip, and flashing. We verify WUI compliance as part of any door replacement in Ben Lomond’s fire hazard zones. Your estimate includes that check.
Usually it’s a combination. Ben Lomond’s clay soils expand with winter rain, and sloped lots shift more than flat ones. We measure the frame and slab movement before we plane or adjust anything. If the foundation is moving, a new door won’t fix it. Call (833) 756-5936 for a diagnostic visit.
Yes. We stock common Therma-Tru OEM sweeps, weatherstrip, and glass lites, and we can order Classic-Craft or Specialty lites when needed. If the door skin is compromised or the jamb is rotted, we’ll tell you whether replacing the part buys meaningful time or whether a full door replacement makes more sense for your Ben Lomond lot.
Shade keeps moisture on the surface, which accelerates finish peeling at the bottom rail and rust on hinges and thresholds. Hardware needs to be stainless or coated, and the finish needs annual re-sealing. We specify hardware for Ben Lomond’s damp, shaded conditions, not what’s cheapest on the shelf. For an exact quote, call (833) 756-5936.
Service Areas Near Ben Lomond
We run Therma-Tru service trucks throughout the San Lorenzo Valley and over the hill. Alongside Ben Lomond, we regularly work in Felton, Brookdale, Boulder Creek, and Scotts Valley. Our Ben Lomond service area page covers the full local scope. For coastal-side clients, we also provide Therma-Tru service in Bonny Doon and Therma-Tru service in Communications Hill.
Book Your Therma-Tru Service in Ben Lomond Today
If your Therma-Tru door is sticking, leaking, or growing moss, we’ll diagnose it honestly. Free estimates, straightforward pricing, and a plan that matches your Ben Lomond lot. Call (833) 756-5936 now.
Written by Nolan Driscoll, Owner at Iron Beam Contractors, serving Ben Lomond since the company’s founding.