







Free written scope consultation - allowances, timeline, and change-order rules on paper before a single trade is scheduled
Therma-Tru Bathroom Remodeling: The Jacksonville Owner’s Guide
A full bathroom remodel involving Therma-Tru products in Jacksonville typically runs $9,000 to $28,000 installed, depending on whether you’re replacing a single door and frame or rebuilding the entire wet space around it. We keep a working inventory of Therma-Tru-compatible door slabs, frames, and hardware on our trucks for most of the common series, and we can order anything unusual from our Jacksonville supply partners within a few business days. Most owners discover they need this page because a Therma-Tru door in a bathroom has started sticking, swelling at the bottom, or letting humidity through where it never did before.
What makes Therma-Tru bathroom doors different in Florida is the humidity load. A bathroom door in Jacksonville deals with steam every single day, and if the slab wasn’t hung with the right clearance or the seal was damaged during a past remodel, the bottom rail absorbs moisture and starts to cup. By the time you notice the drag against the tile, the damage is usually in the stile and bottom rail, not just the surface. That repair is rarely a hinge adjustment. It’s usually a replacement slab, and matching it to your existing frame is where the details matter.
We’re an independent Jacksonville remodeling contractor. We’re not affiliated with Therma-Tru, but we’ve installed and replaced their doors long enough to know which series take a standard 4-9/16″ jamb and which older models need the frame replaced because the new slab won’t mate cleanly with a 20-year-old sill. That compatibility check is the first thing we do on a bathroom walk-through, before any pricing is discussed.
Which Therma-Tru Models This Applies To

Most Jacksonville bathroom remodels we work on involve one of four Therma-Tru lines: the Classic-Craft, Smooth-Star, Fiber-Classic, or Pulse series. Each takes different hardware prep and hinge spacing, and a slab from one series will not reliably drop into a frame built for another. The quick way to identify yours is the label on the hinge edge of the door slab; Therma-Tru stamps the series name and manufacturing plant code there, and that label is the single most useful thing you can have when calling for parts.
The compatibility gotcha most Jacksonville homeowners hit is this: Smooth-Star and Classic-Craft doors use different hinge prep geometry on double-bore bathroom doors. If you order a replacement slab by size alone (say, 28″ x 80″) without confirming the series, you can end up with a slab that hangs but never latches cleanly, or one with a bore offset that puts the handle in the wrong spot relative to the strike plate. We check the label first, then the bore dimensions, then the hinge spacing. In that order. It eliminates the mis-order that wastes two weeks.
OEM Therma-Tru slabs are still our default recommendation for bathrooms. Aftermarket equivalents from Jeld-Wen or Masonite can work in a hallway, but bathroom doors take steam, and the Therma-Tru composite stiles hold their shape better than a paint-grade pine stile when the humidity swings from 45% to 90% inside a Jacksonville summer. We’ll install an aftermarket slab if a homeowner asks, and we’ll be honest that it’s a shorter-life door in a wet-wall bathroom. For a guest bath used twice a day, that’s fine. For a kids’ bath that runs a hot shower every morning and never fully dries, we steer back to OEM.
Styles & brands we work with







Signs Your Therma-Tru Bathroom Remodeling Is Failing
- Door drags along the tile or threshold at one specific point. This means the bottom rail has absorbed moisture and cupped. The slab is no longer flat, and sanding it down only buys you a few weeks before the drag returns.
- Paint or laminate is bubbling at the bottom six inches of the door. Water is wicking up through the bottom seal into the stile. On a bathroom door, this is almost always a failed or missing silicone bead at the base of the slab, and by the time you see the bubble, the composite is saturated.
- The door won’t latch without lifting the handle. Steam has swollen the stile or the jamb leg has shifted. On older Therma-Tru frames in Jacksonville, the jamb leg nearest the shower rots first because condensation runs down the exterior of the frame and sits at the miter joint.
- The door closes on its own or swings open by itself. The frame is out of plumb, which on a slab-on-grade Jacksonville home usually means the floor has settled or the rough opening was never properly shimmed. This isn’t a hinge problem; it’s a framing diagnosis.
- Condensation beads on the inside face of the door after a shower. The door slab has lost its thermal break or the bathroom exhaust is undersized. On an exterior-facing bathroom door, a lost thermal break is a genuine problem for the drywall around the frame, not just the door.
Graham Stein, owner of Elmstead Remodeling Jacksonville, has pulled enough of these doors in Jacksonville’s older homes to know the failure pattern before the door comes off the hinges. He grew up in Los Angeles and learned the fundamentals at Los Angeles Trade-Technical College, and one of the first things he tells Jacksonville homeowners with a failing bathroom door is that the door is usually the symptom, not the cause. The cause is a shower that is not venting properly, a threshold that was never sealed, or a floor that has moved. Fix the door without fixing the cause and you’ll be back in the same spot in three years.
See the difference
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After
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AfterReplacement Cost & What’s Included

In Jacksonville, a Therma-Tru bathroom door replacement with a new pre-hung unit runs $1,500 to $4,500 installed, depending on the series, the slab size, and whether the frame needs to be rebuilt. A full bathroom remodel that includes new Therma-Tru door and frame, tiled shower, vanity, fixtures, and proper ventilation runs $9,000 to $28,000. We give you a written price before any work starts, and that price is the price; we don’t cut change orders mid-job because a valve didn’t show up or a jamb turned out to be rotted. The written scope covers what we found on the walk-through.
What that installed price includes
- The Therma-Tru slab or pre-hung unit, named by series and finish on your written estimate.
- Frame and threshold evaluation, with any rot repair scoped and priced before we start.
- New hardware if yours is worn, including hinges and latch, named by brand (Kohler, Moen, Grohe) on the estimate.
- Sealing and caulking with bathroom-rated silicone at the threshold and casing edges.
- Drop cloths on the bathroom floor and shoe covers at the door on every visit.
- A photo walk-through of the clean-up before the crew packs up.
- Our 365-Day Done Right Promise: if the door doesn’t hang right after the job is complete, we come back and make it right.
We also stock parts for KraftMaid cabinets, Cambria countertops, and Silestone surfaces for the surrounding bathroom work, which means we can coordinate the door, the vanity, and the countertop on one schedule instead of three.
DIY or Call Us?
You can check three things safely and without touching anything dangerous: find the label on the hinge edge of your door and write down the series name, measure the slab width and height to the nearest 1/16″, and check whether the bottom seal on the door is cracked or missing. That information is enough for an accurate first quote over the phone. Actually pulling a bathroom door that has a swollen bottom rail and trying to plane it flat is where DIY goes sideways. Therma-Tru composite stiles don’t plane like wood; once you cut into the skin, you’ve ruined the slab and voided any manufacturer coverage. And if the jamb is rotted at the miter, a new slab won’t fix the problem anyway.
If the door has water damage at the bottom rail or the frame is out of plumb, we’d rather you call (904) 643-6243 and let us look at it. A bathroom door replacement on a family home with kids and pets means keeping the powder dust contained, using quiet tools during nap and school hours, and leaving the bathroom cleaner than when we walked in. We bring the drop cloths, the shoe covers, and the written price with us on the first visit. The estimate is free.
FAQs

A properly sealed Therma-Tru composite bathroom door in Jacksonville typically lasts 15 to 20 years before the bottom rail shows meaningful wear, though coastal humidity and daily kid-bath steam can shorten that to 10 to 12 years if the bathroom exhaust is undersized. The biggest lifespan variable is whether the door bottom was sealed with silicone at installation, because an unsealed bottom edge wicks water up into the stile and cuts the door’s life roughly in half. Call (904) 643-6243 for a door inspection and exact quote; the estimate is free.
A Therma-Tru bathroom door with a cupped bottom rail generally cannot be repaired back to flat, because the composite stile has absorbed moisture and the distortion is in the material, not the surface. A door that only drags because the hinges have loosened can sometimes be re-hung, and that’s a repair we’ll do when it’s honest, but once the slab is cupped or the bottom rail is soft, replacement is the only fix that stays fixed. We’ll tell you which one you have on the walk-through.
A single Therma-Tru bathroom door replacement in Jacksonville with the slab in stock usually takes one day, including pulling the old door, adjusting the frame if needed, hanging the new slab, and sealing the threshold. If the jamb is rotted or the rough opening needs re-shimming, expect a second day for framing and casing work. We schedule around nap hours and school pickup when we can, and we’ll tell you the day the crew arrives before the job starts.
We keep common Therma-Tru Smooth-Star and Classic-Craft slabs on hand for standard 24″, 28″, and 30″ bathroom openings, along with the hinges, strike plates, and threshold seals that go with them. Unusual sizes, Pulse series, or custom glass inserts are ordered from our Jacksonville supply partners and typically arrive within three to five business days. Call (904) 643-6243 and have the hinge-edge label handy; we’ll tell you what’s in stock before we schedule the visit.
Written by Graham Stein, Owner, Elmstead Remodeling Jacksonville at Elmstead Remodeling Jacksonville, serving Jacksonville and nearby areas.


