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Therma-Tru Construction in Georgetown, TX | Penhallow Remodeling Austin
We provide independent Therma-Tru door installation, replacement, and repair across Georgetown, TX. The thing that makes our Therma-Tru work here different: we know which doors survive Georgetown’s west-facing afternoon heat, and we know how to size a replacement for the odd rough openings in Old Town’s 1890s pier-and-beam homes. Trevor Nash and our crew handle everything from a single entry door swap to a General Contractor in Georgetown project like a full kitchen remodel with a Therma-Tru patio door off the back. Call (325) 225-5429 for a written estimate.

Why Georgetown Residents Choose Us for Therma-Tru Service
Trevor Nash learned construction at Los Angeles Trade-Technical College and has spent well over a decade swinging hammers around Austin before building Penhallow Remodeling on one idea: give the customer a real number on day one and do exactly what you said you’d do. That same approach carries into every Therma-Tru sales & service call we run in Georgetown. Our team has installed and repaired Therma-Tru doors on hundreds of Georgetown homes, from 1970s ranch remodels near the San Gabriel River to new limestone-veneer builds in the subdivisions east of I-35. We’re not a manufacturer-authorized dealer. We’re an independent contractor with deep familiarity with Therma-Tru’s fiberglass and steel door systems, their hinged patio and sliding patio door lines, and how they hold up under Central Texas sun, clay soil movement, and storm-driven moisture. We use genuine Therma-Tru sills, weatherstripping, hinges, and door slabs whenever possible, but we’re not bound by manufacturer-only parts: if an aftermarket component holds up better in Georgetown’s climate, we’ll recommend it and tell you why.
Styles & brands we work with







Common Therma-Tru Construction Problems We Solve in Georgetown
Therma-Tru doors are well-built, but Georgetown throws specific conditions at them. Here’s what we see week after week across our Georgetown service area.
- Warped or delaminated fiberglass skins on south- and west-facing doors. Georgetown summers run hot and long. A dark-stained Therma-Tru Classic-Craft door on a west wall without a storm door can see skin temperatures past 150°F in July. We regularly see delamination where the fiberglass skin separates from the core on doors that face the afternoon sun for five or six hours a day.
- Lock-side misalignment and latch failure from clay soil movement. Georgetown’s eastern subdivisions sit on expansive clay. When the soil swells after rain and shrinks during drought, slabs shift, and door frames rack. The result: a deadbolt that won’t throw or a latch that misses the strike plate by an eighth of an inch. Shimming the frame fixes the symptom, but understanding the soil movement fixes the problem.
- Weatherstrip deterioration and water infiltration around door frames. Flash-flood wind-driven rain hits Georgetown hard in spring and fall. Older weatherstripping on Therma-Tru entry doors degrades under that kind of moisture cycling, and we see mildew and floor damage near entries where seals have failed. Replacing with a fresh set of OEM or better aftermarket weatherstripping restores the barrier.
- Sagging or sticking Therma-Tru sliding patio doors. Georgetown’s construction boom means fine limestone dust and grit in the air near active subdivisions. That dust settles into aluminum tracks on Therma-Tru Slim-Line sliders, wears down rollers, and binds the door. It’s a maintenance issue, not a defect, but it needs the right roller and track service to avoid a full track replacement.
- Frames racked beyond shimming on pier-and-beam homes. In Old Town, where 1890s-1920s pier-and-beam foundations have settled over a century, a Therma-Tru door frame can be so far out of square that repeated shimming won’t hold. We’ll tell you honestly when replacement is more cost-effective than continued repairs.
Therma-Tru Service in Georgetown: What Local Conditions Mean for Your Equipment
Georgetown’s construction market is split between two very different worlds. To the east, new subdivisions sprawl across former ranchland, built at production pace on expansive clay. To the west and around the 1911 courthouse downtown, a protected Victorian and Craftsman-era district holds homes on original 1890s-1920s pier-and-beam foundations with native limestone piers. That split affects Therma-Tru work directly. In the new-build subdivisions, slab movement from clay soil means door frames need to be set with tighter tolerances and checked for racking on every service call. In Old Town, the Historic and Architectural Review Commission requires exterior door replacements to match original character, and many of those homes have non-standard rough openings. A big-box pre-hung door won’t fit those openings, and a cheap fiberglass slab won’t meet HARC’s material and proportion requirements. Therma-Tru’s custom-sized fiberglass doors are often the only way to meet the commission’s standards without sacrificing thermal performance. That’s the Georgetown-specific reality: the same Therma-Tru door that works in a 2022 limestone-veneer house on the east side needs a completely different sizing and installation approach three miles west in Old Town.
Therma-Tru Models & Products We Service in Georgetown
We install and repair the full Therma-Tru lineup that shows up on Georgetown homes. That includes Therma-Tru Classic-Craft fiberglass entry doors with woodgrain texture, Smooth-Star smooth-surface fiberglass doors, Fiber-Classic oak-grained fiberglass doors, and Slim-Line sliding patio doors with narrow stiles. For parts, we keep genuine Therma-Tru weatherstripping, thresholds, and hardware in stock for the most common Georgetown service calls, which keeps turnaround fast. When a full door slab is needed, we order it cut to the exact rough opening size, which matters a lot on older Georgetown homes where nothing is standard. Our repair-vs-replace guidance is honest: if a fiberglass skin has separated or the frame is racked beyond shimming, replacement is usually more cost-effective than repeated repairs. We’ll tell you which path makes sense for your house and your budget before we quote anything.
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AfterTherma-Tru Service Pricing in Georgetown
Here are the line-item ranges we quote for Therma-Tru work in Georgetown. These are written prices we give before any work starts, not ballpark ranges that shift after demo.
| Service | Price Range |
|---|---|
| Therma-Tru door slab replacement (labor only, door extra) | $600 – $1,800 |
| Therma-Tru pre-hung entry door installation | $1,200 – $3,500 |
| Therma-Tru sliding patio door installation | $2,000 – $6,000 |
| Weatherstripping and threshold replacement | $150 – $500 |
What drives the price: rough opening size (Old Town homes run non-standard), whether the frame needs shimming or full replacement, slab condition, and the specific Therma-Tru line you choose. Every free estimate includes a written line-item quote. The number on day one is the number on the invoice. Call (325) 225-5429 to schedule yours.

Serving Georgetown, TX - Our Local Coverage Area
We’re based in the Georgetown 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 Georgetown
If your home sits in the Old Town overlay district, yes: exterior door replacement triggers a Historic and Architectural Review Commission review, and the commission requires the replacement door to match the home’s original character in material and proportion. We prepare the details HARC needs, including the Therma-Tru door line and finish, and we’ve navigated the process enough to know what gets approved. Homes outside the overlay generally need only a standard city permit. Call (325) 225-5429 and we’ll tell you which path applies to your address.
Therma-Tru fiberglass doors hold up well in Georgetown’s semi-arid summers when they’re light-to-medium colored and protected by a storm door or porch overhang. Dark stains on unshaded south- and west-facing doors are where we see delamination and skin separation after several seasons of late afternoon heat. We recommend lighter finishes or shading for those exposures, and if you already have a warped door, we’ll tell you whether it’s repairable or a candidate for replacement.
It’s common in Georgetown’s eastern subdivisions, and it’s not the door’s fault. The expansive clay soil under your slab swells when wet and contracts when dry. Summer heat bakes the ground, the slab shifts, and the frame tightens on the door leaf. Come winter with cooler, damper conditions, the soil swells differently and the binding eases. We can shim the frame to accommodate the movement, and we’ll set the hinges and strike plate to keep the door operating through the full season cycle. Call (325) 225-5429 for a service visit, and we’ll tell you if it’s a simple adjustment or something structural.
Yes. Therma-Tru’s custom-sized Classic-Craft line carries the woodgrain texture and panel proportions that satisfy HARC in Old Town, while the fiberglass core provides thermal performance that exceeds what a solid wood door of the same character would deliver. We’ve matched original door proportions on 1920s Craftsman homes and Victorian-era houses using custom Therma-Tru slabs, and the commission has approved those installations. The key is ordering the right panel profile and finish, which is where our experience with Georgetown’s review process saves you time.
Custom Therma-Tru doors typically run three to five weeks from order to delivery, depending on size, finish, and production schedule. We can handle frame prep, rough opening adjustments, and any associated Georgetown Bathroom Remodeling or other remodel work during that window so installation day is quick. If your existing door is still functional, we’ll schedule installation the week the new door arrives. Call (325) 225-5429 to get the order started and lock in your lead time.
Service Areas Near Georgetown
We run Therma-Tru service throughout Georgetown and the surrounding area. You’ll also find us in Therma-Tru service in Austin, Therma-Tru service in Cedar Park, plus Taylor, Elgin, and Lago Vista. If you’re within a short drive of Georgetown, call and ask: chances are we already have a crew scheduled near you.
Book Your Therma-Tru Service in Georgetown Today
Tell me what you need, I’ll tell you what it costs, and we’ll go from there. Call (325) 225-5429 to schedule your free Therma-Tru estimate in Georgetown. A real person answers. Written price before any work starts. 365-Day Done Right Promise on every job.
Written by Trevor Nash, Owner at Penhallow Remodeling Austin, serving Georgetown since 2004.












