Free written scope consultation - allowances, timeline, and change-order rules on paper before a single trade is scheduled
Therma-Tru Bathroom Remodeling: The Boca Raton Owner’s Guide
Therma-Tru bathroom remodeling in Boca Raton typically runs $9,000-$28,000 for a full replacement, with most Therma-Tru door and enclosure projects falling in the $12,000-$18,000 range depending on series and framing condition. We stock Therma-Tru-compatible frames, seals, and hardware for same-day assessment, and we carry KraftMaid, Cambria, and Silestone lines for integrated bath renovations. Most Boca Raton homeowners discover their Therma-Tru unit is failing when the sweep seal gaps in summer humidity, the hinge screws pull from the jamb in coastal moisture, or the glass panel shimmies because the composite frame has absorbed expansion stress over a decade of Florida heat cycles.
Which Therma-Tru Models This Applies To
Therma-Tru labels its bathroom and interior door lines by series number and frame material, and the part you need depends on which substrate you’re working with. The Benchmark and Classic-Craft series use a pultruded fiberglass frame with a polyurethane foam core, which expands differently than the wood-edge frames on the Tru-Style and Smooth-Star lines. If your label is worn, check the hinge mortise depth: Benchmark frames take a 1/4-inch mortise, while Tru-Style wood-composite frames need a 5/16-inch cut. We see this mismatch weekly in Boca Raton homes built between 2005 and 2015, where original builders mixed series within the same floor plan.
OEM Therma-Tru seals and sweeps are made from Santoprene TPV, which outlasts generic EPDM rubber in salt air by roughly 40 percent based on what we’ve pulled from Boca Raton homes. For hardware, we spec OEM hinges and ball catches on Classic-Craft and Benchmark installs because the hole spacing is proprietary; on Smooth-Star, quality aftermarket hinges from Hager or Stanley with matching screw spacing perform identically at lower cost. We source both and quote the difference in writing before work starts.
Signs Your Therma-Tru Bathroom Remodeling Is Failing

- Light bleed under the door sweep. The Santoprene sweep has hardened or cracked from UV exposure through the transom window, breaking the seal that keeps shower steam from wicking into the drywall. In Boca Raton’s high humidity, this accelerates baseboard rot behind the door.
- Door hangs lower on the handle side. The composite jamb has absorbed moisture where the casing meets the tile, causing the hinge screws to back out or the jamb itself to compress. We see this most in first-floor baths with slab-on-grade construction in Spanish River Land and Boca Del Mar.
- Glass panel rattles in the frame. The glazing vinyl has shrunk from thermal cycling, or the setting blocks have shifted. Therma-Tru’s silicone-bonded glass in Classic-Craft units rarely fails, but the compression-gasket systems in older Tru-Style lines need reset every eight to ten years in Florida.
- Finish chalking or fiber bloom on the frame surface. The gelcoat has degraded from cumulative UV, exposing the fiberglass roving underneath. This is cosmetic until moisture penetrates; once it does, the foam core delaminates and the frame loses structural integrity.
- Latch misses the strike plate by 1/8 inch or more. Frame racking from seasonal expansion, often combined with a sagging header in load-bearing wall installations. The door still closes, but the misalignment stresses the multi-point hardware and eventually strips the mechanism.
Before
AfterReplacement Cost & What’s Included
| Scope | Price Range in Boca Raton |
|---|---|
| Therma-Tru door/frame replacement only | $2,200-$4,500 |
| Full bath remodel with Therma-Tru enclosure | $9,000-$28,000 |
| Small bathroom remodel (Therma-Tru + fixtures) | $5,000-$12,000 |
| Shower replacement with Therma-Tru glass door | $3,000-$8,500 |
| Tub-to-shower conversion with Therma-Tru frame | $3,500-$10,000 |
The range depends on three factors we itemize in every written quote: whether the existing frame is plumb and square (Boca Raton’s concrete block construction often drifts 1/4 inch over decades), whether the tile surround needs partial demo for jamb access, and whether you’re upgrading from a standard swing door to a Therma-Tru sliding or pivot enclosure. Our price includes the unit, installation, haul-away, and a 365-Day Done Right Promise backed by The Haven Standard. Under Clause 1, that written price is fixed; no change order, no surprise. Call (754) 254-8065 to schedule your free estimate.
DIY or Call Us?

There’s a short list of checks any homeowner can make safely. Verify the model number on the hinge barrel or the etched code on the glass corner. Measure the rough opening width at three points: top, middle, and bottom. If the variance exceeds 3/16 inch, the frame is racked and a new door hung on the old jamb will bind within a season.
Where DIY goes wrong is in the demo and reset. Therma-Tru’s fiberglass frames are lightweight but brittle at the corners; pry wrong and the stile splits. Worse, the multi-point locking hardware on Classic-Craft and Benchmark series is pre-tensioned at the factory. Remove it without supporting the rods and they spring into the frame cavity, usually scratching the glass on their way. We’ve fished more of these out of Boca Raton bath remodels than we can count. If your unit is under warranty, DIY disassembly voids it. We’re independent of Therma-Tru and carry no affiliation, but we know their warranty language because we document it for our customers.
Measure twice, document everything, then build. That’s how Grant Rowan runs every crew, and it’s why we photograph the existing condition, the rough opening, and the finished install for your record.
FAQs
In Boca Raton’s salt-air, high-UV climate, a properly installed Therma-Tru fiberglass door lasts 20-25 years; the sweep and seal hardware need replacement every 8-12 years. The frame outlasts wood alternatives by a decade, but the coastal environment accelerates gasket degradation compared to inland Florida markets. Call (754) 254-8065 for an exact quote on your unit - estimates are free.
Minor gelcoat damage can be filled and refinished if the fiberglass substrate is dry and the foam core is intact. Once moisture has reached the core or the corner joints have delaminated, replacement is the only fix that won’t fail again in two years. We assess this with a moisture meter and photo-document the reading for your record. Call (754) 254-8065 to schedule your free estimate.
A Therma-Tru door or enclosure swap alone is typically one day; a full bathroom remodel with demolition, rough plumbing, tile, and finish runs 10-14 business days in Boca Raton, depending on permit turnaround and custom material lead times. We schedule in signed phases - demo signed off before plumbing starts, plumbing signed off before tile - so there’s no ambiguity about what “done” means at each step.
We carry common Therma-Tru sweep seals, hinge kits, and multi-point hardware for same-day assessment and next-day ordering on specialty finishes. For full unit replacement, we measure, order to spec, and install once - we don’t stock full pre-hung units because every Boca Raton rough opening we’ve measured in eighteen years has been slightly different. The written quote includes the exact unit, finish, and hardware schedule before anything ships.
Ready to price your Therma-Tru bathroom project? Call (754) 254-8065 to schedule your free estimate. We’ll bring the tape measure, the camera, and a written price before any work starts - that’s Clause 1 of The Haven Standard, and it’s been our practice since 2007.
Written by Grant Rowan, Owner, Rowan Construction Group Boca Raton at Rowan Construction Group Boca Raton, serving Boca Raton and nearby areas.







Before
After
Before
After
Before
After