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Therma-Tru Construction in Felton, CA | Brookside Contractors
We provide independent Therma-Tru door service across Felton, from sill and weatherstrip replacement to full entry system installs on remodels and additions, and can also handle Scotts Valley Therma-Tru service when needed. What makes our work here different is that we know how County-governed wildfire code, atmospheric-river rain, and hillside settling combine to stress a door system. We diagnose and repair Therma-Tru doors honestly rather than pushing a full replacement when a slab or frame is still sound. Call (833) 725-3508 for a free estimate.

Why Felton Residents Choose Us for Therma-Tru Service
We’ve installed and serviced Therma-Tru door systems across the San Lorenzo Valley for years, so we know how their fiberglass and steel entry systems behave under Felton’s rain and sun cycles. We’re an independent contractor, not authorized by or affiliated with Therma-Tru, and that independence means we call repairs like we see them. Nate Burrell runs our crew with a simple rule he picked up framing houses as a kid in Morgan Hill: do it once, do it right, everything else is just a future repair bill.
As a Felton General Contractor, we bring something a door specialist can’t. When your Therma-Tru entry is failing because the hillside settled or the deck drains onto the threshold, we can fix the door and the drainage in the same scope of work. One contractor, every phase. We carry genuine OEM sills, sweeps, weatherstrip, glass frames, and hinge hardware, and we stock the common parts that fail most often on Felton homes, so turnaround is quick.
Styles & brands we work with







Common Therma-Tru Construction Problems We Solve in Felton
- Chalking and faded slabs on sunny exposures. Felton’s south- and west-facing entries take direct UV through the redwood canopy gaps. Therma-Tru fiberglass slabs, especially Smooth-Star lines, chalk and lose their finish where there’s no roof overhang. We refinish or re-spec the glass configuration to reduce solar load.
- Swollen bottom rails and rotted sills from storm-season driving rain. Atmospheric-river storms push water horizontally against entry doors. Wood-edge and composite frames absorb that water, the bottom rail swells, and the sill rots. We pull the slab, replace the sill and weatherstrip with OEM parts, reflash the threshold, and rehang the door so it latches clean.
- Latches and multi-point locks that won’t align. Hillside homes in Felton settle on expansive clay. Frames shift a few millimeters over years, and true multi-point locksets bind. We re-square the frame, shim the hinges, and realign the strike plates rather than forcing the lock.
- Hardened weatherstrip and torn sweeps letting rain and embers in. Wildland-interface homes need a tight door seal for fire defense and storm protection. Gaskets harden in the dry summers and tear in the wet winters. We replace them before they fail in the middle of a storm.
- Door glass with internal blinds that bind or fog. Therma-Tru door glass with internal blinds and decorative caming is popular in Felton’s mountain homes. The mechanisms bind over time, and failed seals fog the glass. We source replacement glass frames and reinstall them.
Therma-Tru Service in Felton: What Local Conditions Mean for Your Equipment
Because Felton’s wildland-urban interface is governed by Santa Cruz County fire code rather than a city building department, exterior door and glazing swaps on additions and remodels often have to meet ignition-resistant assembly requirements that don’t apply in the valley towns. That shapes which Therma-Tru door and glass configurations we spec. A standard decorative glass insert that would pass in Morgan Hill or Gilroy may not meet the County’s requirements on a Felton hillside lot. We check the code path before we order parts, so you don’t buy a door twice. On a hillside redwood-era cabin off the Glen Arbor area, our crew pulled a sagging Therma-Tru Smooth-Star entry door whose bottom rail had swelled and stuck after two storm seasons. We replaced the rotted sill and weatherstrip with OEM parts, re-squared the frame, rehung the slab, and reflashed the threshold so rain sheds off the deck. The door now latches clean and seals against ember intrusion.
Therma-Tru Models & Products We Service in Felton
We work on the full range of Therma-Tru entry systems, including Smooth-Star fiberglass entry doors, the Fiber-Classic and Classic-Craft door series, and the Benchmark and Reliant entry door lines. We also service and replace Therma-Tru door glass with internal blinds and decorative caming. Our parts approach is straightforward: genuine OEM sills, sweeps, weatherstrip, glass frames, and hinge hardware keep the door’s fit and warranty intact. We use quality aftermarket only where OEM is discontinued. If a slab or frame is sound, we repair and rehang it. We recommend full replacement only when the rail or sill is rotted through or the slab finish is failing past refinishing. For homeowners planning broader work, we also handle window replacement, roof repair, and home additions, so the entry, the roof that protects it, and the structure it hangs on all fall under one contractor. That’s the difference between a patch and a fix. Our Therma-Tru sales & service page covers the scope in more detail.
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AfterTherma-Tru Service Pricing in Felton
What you’ll pay depends on what’s actually wrong. A weatherstrip and sweep replacement is a small job. A rotted sill that requires pulling the slab, re-flashing the threshold, and re-hanging the door costs more. A full door and glass replacement on a County-governed wildland lot costs more still, because the spec has to meet ignition-resistant assembly requirements. Here are the ranges we work within on Felton jobs that touch Therma-Tru doors and the work around them:
| Service | Price Range |
|---|---|
| Roof Repair | $400 – $1800 |
| Window Replacement | $4500 – $15000 |
| Home Addition | $45000 – $130000 |
Every estimate is free and written line-item, so you see the parts, labor, and any code-required work before you approve anything. Call (833) 725-3508 to get one scheduled.

Serving Felton, CA — Our Local Coverage Area
We’re based in the Felton area and know this community well, with coverage that extends to nearby communities like Therma-Tru repair in Mount Hermon. Use the map below to see our full service coverage — if you’re nearby, we can almost certainly help.
FAQs – Therma-Tru Construction in Felton
Yes, and it catches people off guard. Felton is in a wildland-urban interface, so exterior doors and glazing on additions and remodels must meet ignition-resistant assembly requirements set by Santa Cruz County, not a city building department. That can rule out certain decorative glass inserts or require specific weatherproofing details. We check the code path before ordering, so you don’t pay for a door the County won’t approve. Call (833) 725-3508 and we’ll tell you what’s required for your specific street.
Usually the house moved, not the door. Expansive clay soils under Felton hillsides shift with winter rains and summer dry spells, and even a few millimeters of frame movement will throw a multi-point lock out of alignment. We re-square the frame and re-align the hardware rather than replacing a sound slab. If you’re fighting the latch every day, call (833) 725-3508 for an evaluation.
In most cases, yes. We source genuine Therma-Tru OEM sills, sweeps, and weatherstrip, pull the slab, replace the rotted parts, re-flash the threshold, and re-hang the door. We only recommend full replacement when the rail or sill is rotted through or the slab finish is beyond refinishing. That call is based on what we find, not on what’s easier for us to sell. Call (833) 725-3508 for a free assessment.
Direct UV exposure through gaps in the redwood canopy breaks down the factory finish on fiberglass slabs, especially on south- and west-facing Felton entries with no roof overhang. Blistering usually means moisture got under a finish that was already compromised. We refit sound slabs and re-spec glass and overhang protection so the next finish holds up. Call (833) 725-3508 and we’ll take a look.
For an exterior door swap that doesn’t change the opening, often not, but for additions and any work that touches the building envelope on a wildland lot, yes, you’ll typically go through Santa Cruz County. We pull the permits, coordinate the inspections, and make sure the door and glazing specs meet the County’s fire code. Call (833) 725-3508 and we’ll help you figure out the permit path.
Service Areas Near Felton
We serve Felton and the surrounding San Lorenzo Valley communities, plus the South Santa Clara County towns where our crews are based. That includes Felton service area work up and down Highway 9, along with Therma-Tru service in Ben Lomond, Therma-Tru service in Prunedale, Corralitos, Day Valley, and Interlaken. We also run jobs in Morgan Hill, San Martin, and Gilroy.
Book Your Therma-Tru Service in Felton Today
If your Therma-Tru door is sticking, leaking, fading, or just not sealing the way it should, call (833) 725-3508. We’ll come out, diagnose it straight, and give you a written estimate that covers the fix, not a sales pitch. Felton doors take more abuse than most. Get yours right before the next storm.
Written by Nate Burrell, Owner at Brookside Contractors, serving Felton and the San Lorenzo Valley.