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 Boulder Creek, CA
We provide independent Therma-Tru construction service across Boulder Creek, from new entry and patio door installations to sill replacements, glass lite swaps, and full rough-opening rebuilds on redwood-shaded canyon lots. What makes our Therma-Tru work different here is simple: we build every door opening to survive a Santa Cruz Mountains winter, not just to look good on install day. Call (877) 373-9230 to schedule a free estimate for your Boulder Creek door project.

Why Boulder Creek Residents Choose Us for Therma-Tru Service
We know Therma-Tru door systems from the rough opening out. Fiber-Classic, Smooth-Star, Classic-Craft, and their fiberglass patio and French door lines all have distinct frame geometries, sill details, and glass lite options, and we spec the right one for each opening rather than pushing whatever is sitting in a warehouse. Noel Cardenas, our owner, came up through vocational trades training before spending years working every phase of residential builds, and that background means we treat a door installation as a structural opening problem, not a trim-and-go job.
We’re also not a factory-authorized dealer. That’s deliberate. Independence lets us source genuine Therma-Tru parts, choose heavy-duty aftermarket hardware when the site demands it, and tell you honestly when a door is worth repairing versus replacing. Around Boulder Creek, that honesty matters, because a door that fails at the sill in January is not a warranty claim you want to wait on. We also provide Therma-Tru service in Brookdale with the same independent approach.
Styles & brands we work with
- Kitchen remodeling
- Bathroom remodeling
- Home additions & ADU
- Roofing
- Windows & doors
- Driveway & pavers
- Fence
Common Therma-Tru Construction Problems We Solve in Boulder Creek
- Rotting jamb bottoms and sub-sills from winter runoff. Boulder Creek lots shed water hard during winter storms, and redwood shade keeps thresholds damp for weeks. A Therma-Tru Fiber-Classic entry can look fine at the slab while the jamb bottoms and fixed sill underneath are quietly rotting. We rebuild the rough opening and re-flash with a raised, drainage-positive sill.
- Chalking and paint adhesion failure on sun-exposed fiberglass skins. South- and west-facing doors in Boulder Creek take intense mountain sun plus seasonal wind. Fiberglass skins chalk and paint lets go at the exposed stiles long before the structural core is compromised. We re-prep, re-paint, and where needed, upgrade the slab to a fresh Smooth-Star unit.
- Edge and glass lite damage from tight private drive deliveries. Many Boulder Creek homes sit up steep, narrow drives where delivery trucks can’t turn around. Doors get hand-carried, and edges and lites get scuffed or cracked before they ever see a hinge. We touch up, re-glaze, or replace lites on site, and we stage deliveries around road width and weather.
- Seal failures and threshold leaks in ember-zone exposures. Failed insulated glass seals and worn sweeps let rain-driven moisture and embers past the threshold. In a high fire-severity wildland-urban interface, that’s a defensible-space problem, not just an energy leak. We replace IGUs, sweeps, and weatherstripping to restore a tight envelope.
- Framing compromised on downhill grades. A door opening on a steep Boulder Creek lot often ties into framing that’s been wicking hillside moisture for decades. We open the wall, assess rim joists and king studs, and rebuild what’s rotten before the new Therma-Tru unit goes in. Hanging a good door on bad framing is a waste of a good door.
Therma-Tru Service in Boulder Creek: What Local Conditions Mean for Your Project
Boulder Creek sits on unincorporated Santa Cruz County land inside a high fire-severity wildland-urban interface, and that changes what a Therma-Tru installation actually involves. An exterior entry door here is not a style swap. The glass, sill, and flashing have to support ember-resistant, ignition-resistant detailing, because a door that lets embers bank at the threshold or wind-driven rain past the sweep undercuts the whole defensible-space envelope around the house. Add the fact that many lots are on private wells and septic, and a door replacement tied to a home addition gets sequenced around county utility review and defensible-space inspection rather than a city counter walk-through. The same door that takes a day to install in a flat subdivision can take longer here, and it should. Getting the WUI detailing right is the whole job.
On a steep redwood-shaded lot off a narrow Boulder Creek private drive, our crew opened up a failing Therma-Tru Fiber-Classic entry and found the fixed sill and jamb bottoms rotted from years of winter runoff pooling at the threshold. The under-sill framing on the downhill grade was compromised. We rebuilt and re-flashed the rough opening with a raised, drainage-positive sill, reset the frame, and hung a Smooth-Star slab with impact-rated glass to suit the WUI exposure. We hand-carried the unit up the drive and staged deliveries around the road width before the wet season closed in. That job is what Boulder Creek door work actually looks like.
Therma-Tru Models & Products We Service in Boulder Creek
We install and service the full Therma-Tru entry, patio, and interior door range: Fiber-Classic and Fiber-Classic Harvest Collection entries, Smooth-Star fiberglass entries, Classic-Craft canvas and mahogany entries, and Therma-Tru fiberglass patio and French door systems. For Therma-Tru sales & service, we carry genuine OEM replacement glass lites, sills, sweeps, and hinges for common lines, and we source quality aftermarket hardware where the site calls for a heavier-duty alternative, like a stainless steel hinge on a coastal-facing canyon wall. If a door is otherwise sound, we repair it. If the jamb and framing have rotted from Boulder Creek runoff, we replace the whole unit and flash it correctly.
See the difference
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After
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After
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AfterTherma-Tru Service Pricing in Boulder Creek
Replacing a window alongside a Therma-Tru door project in Boulder Creek typically runs $4,500 to $15,000. If the door work ties into a home addition, that scope starts around $45,000 and can reach $130,000 on steep canyon lots with foundation and utility upgrades. Roof replacement associated with a door flashing repair or a larger exterior project lands between $8,000 and $20,000. Every estimate includes a written, line-item scope so you can see exactly where the money goes. A free estimate is the fastest way to get real numbers for your Boulder Creek opening. Call (877) 373-9230.
| Service | Typical Range |
|---|---|
| Window Replacement | $4,500 – $15,000 |
| Home Addition | $45,000 – $130,000 |
| Roof Replacement | $8,000 – $20,000 |
Serving Boulder Creek, CA - Our Local Coverage Area
We serve Boulder Creek and nearby communities. Also see Therma-Tru repair in Ben Lomond. Use the map below to see the area we cover. If you’re nearby, we can almost certainly help.
FAQs – Therma-Tru Construction in Boulder Creek
Can a Therma-Tru entry door in Boulder Creek meet wildfire defensible-space expectations?
Yes, when it is specified correctly. A Therma-Tru fiberglass entry can support ember-resistant detailing with impact-rated glass, tight-sealing sweeps, and a raised, drainage-positive sill, and we pair the door with flashing and under-sill detailing that addresses Boulder Creek’s WUI exposure rather than fighting it. Call (877) 373-9230 if you want a doorset spec’d for your specific canyon lot.
Why does my Therma-Tru door bottom keep rotting in Boulder Creek?
Because runoff pools at the threshold on sloped lots and redwood shade keeps the bottom rail and sub-sill damp for months at a time. The slab stays dry while the framing and jamb bottoms rot underneath. Fixing it means re-flashing the rough opening with drainage-positive detailing, not just swapping the sweep. We bring the same expertise to Therma-Tru repair in Lompico.
Does replacing an exterior door in Boulder Creek need a county permit instead of a city permit?
Yes. Boulder Creek is unincorporated Santa Cruz County land, so the review path runs through county planning and building, and if the door is tied to an addition, private well and septic constraints and defensible-space review can sequence the project. We handle that paperwork as part of the job.
Can you get a Therma-Tru door up my steep private drive?
Usually, yes. We hand-carry units when the road won’t take a delivery truck, stage deliveries around the narrowest sections, and touch up any edge or lite scuffs before the door is hung. It’s slower than a simple garage-door drop, but it works on Boulder Creek’s steepest private drives.
Is it worth repairing a Therma-Tru door or should I replace it?
If the fiberglass skin and core are sound and the frame is intact, a re-sill, re-glaze, and re-sweep is worth doing. If the jamb bottoms and surrounding framing have rotted from years of canyon runoff, replacement with a properly flashed unit is the honest call. Call (877) 373-9230 for a straight answer on your specific door.
Service Areas Near Boulder Creek
We serve Boulder Creek and the surrounding Santa Cruz Mountains communities. For homes a bit farther out, we also offer Therma-Tru service in Monte Sereno and Therma-Tru service in Alum Rock. For the full radius, see our Boulder Creek service area page.
Book Your Therma-Tru Service in Boulder Creek Today
The material you pick today is the problem you solve, or the one you live with, ten years from now. In Boulder Creek’s wet winters and ember-zone summers, a properly flashed Therma-Tru door is the difference between a threshold that holds and one that rots. Call (877) 373-9230 to schedule your free estimate.
Written by Noel Cardenas, Owner at Garden Grove Contractors, serving Boulder Creek, Felton, and the Santa Cruz Mountains.