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AfterTherma-Tru Front Door Replacement in Los Angeles: What to Know First
Therma-Tru front door replacement in Los Angeles typically costs between $1,800 and $4,500 for a full slab and frame replacement, with most jobs completed in one day. As an independent Therma-Tru service provider, Hale Windows & Doors handles everything from single door slab swaps to full entry system replacements across Los Angeles County. We write the price down before any work starts, and every Therm-Tru door we install carries our 365-Day Done Right Promise.
This page is for homeowners whose Therma-Tru door is warped, water-damaged, drafty, or simply past its useful life. If you’re researching what a replacement actually costs in Los Angeles, what’s involved, and whether you should repair or replace, you’re in the right place. Call (252) 675-6980 and a live person answers, day or night.
How Therma-Tru Products Fail – and How We Fix Them
- Smooth-Star skin delamination near the bottom rail. Therma-Tru’s Smooth-Star line uses a fiberglass skin bonded to a polyurethane core. In Los Angeles, we see skin separation most often on west-facing entries in neighborhoods like Mar Vista and Playa del Rey, where afternoon sun beats on the door for hours. Once the skin separates, moisture gets in and the door starts to feel spongy. The fix is a full slab replacement; patching never holds on a load-bearing entry door.
- Classic-Craft rot at the bottom stile and under the weatherstrip. The Classic-Craft line looks like real wood because it has a wood-grain fiberglass skin, but the frame itself is often pine or composite. Los Angeles gets enough morning marine layer and winter rain that the bottom few inches of the frame wicks moisture, especially on doors without an adequate overhang. We replace the entire frame with rot-resistant material and re-flash the sill pan correctly.
- Benchmark by Therma-Tru hinge sag on double-door entries. Double doors carry a lot of weight, and Benchmark models, often spec’d by builders in Valencia and Porter Ranch, start to sag after seven to ten years if the builder used undersized hinges. The active door stops clearing the strike plate cleanly. We rebuild the hinge mortises, upgrade to ball-bearing hinges where the slab allows, and reset the reveal so the door closes like it did on day one.
- Fiber-Classic threshold failure causing air leaks and water intrusion. The adjustable threshold cap on older Fiber-Classic doors wears down or the screws strip, and suddenly there’s daylight under the door. In Los Angeles, that gap is an open invitation for ants and moisture. We replace the threshold with a new Therma-Tru-compatible adjustable sill and re-seal the underside with flashing tape before setting the door.
- Warped slab from heat and improper initial install. We see warped Therma-Tru slabs most often in the San Fernando Valley, where summer temperatures regularly pass 100 degrees. A fiberglass door only warps that way if the rough opening was out of square and someone forced the frame to fit. Spencer Odell learned this pattern early in his career: a twisted rough opening that doesn’t get fixed before the door goes in will ruin a good slab in three summers. We strip the casing, find the twist, correct the opening, and only then order the new door.
Our Therma-Tru Front Door Replacement Process
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Call and talk to a person. You call (252) 675-6980. A live person answers, takes your address and the basic symptoms, and schedules a window that works for you. Before the visit, we send you the technician’s name and photo, as part of our Threshold Standard.
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On-site diagnostic. The tech measures the slab, checks the rough opening for square, inspects the sill and flashing, and identifies the exact Therma-Tru model line if the existing door is a match.
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Written quote before work. We write down the full price, including labor, materials, disposal, and any opening corrections. You review it and decide. No surprises on the invoice later.
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Parts decision. For warranty-sensitive jobs, we use Therma-Tru OEM parts. For older models where OEM is discontinued, we source quality aftermarket components that match the original spec, and we tell you which one we’re using and why before we install it.
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Replacement and testing. We remove the old door and frame, correct the opening if needed, set the new door, flash and seal it properly, then test the swing, the latch, the weatherstrip, and the threshold seal.
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Cleanup and the 365-Day Done Right Promise. We haul away the old door and debris. If anything isn’t right within 365 days, we come back and make it right, no argument needed.
What Therma-Tru Front Door Replacement Costs in Los Angeles
Replacing a single Therma-Tru front door slab, reusing the existing frame, runs $1,200 to $2,800 in Los Angeles. A full slab-and-frame replacement with new weatherstripping, threshold, and hardware typically lands between $2,400 and $4,500. Double-door Therma-Tru entries push toward $5,000 to $8,500, depending on size and glass options. What moves the price most is the rough-opening condition. A bad opening that needs correcting adds $250 to $600 in labor, but skipping that correction is how you end up with a warped door in three years.
Call (252) 675-6980 for a written, no-obligation quote. The estimate is free, and the price we write down is the price you pay.
Why Los Angeles Homeowners Call Hale Windows & Doors for Therma-Tru Work
We’ve been doing doors and windows since 2009 as an independently owned and operated part of the Threshold Group family. The biggest reason Los Angeles homeowners call us for Therma-Tru replacement is the 365-Day Done Right Promise: if our work is not right, we make it right, no argument needed. That’s a named, documented guarantee stamped on every job. The second reason is our Threshold Standard. Every technician is background-checked, identity-verified, uniformed, photo-badged, and pre-announced by name and photo before the visit, so you know exactly who is at your door before you open it.
We also install and service seven other professional-grade lines beyond Therma-Tru: PGT, CGI, CWS, ES Windows, ECO Window Systems, Mr-Glass, and ViewLux. If a Therma-Tru replacement isn’t the right call for your home’s sun exposure or security needs, we’ll tell you which product line is, and we’ll write down the price for that one too.
FAQs
A single Therma-Tru front door replacement in Los Angeles costs between $1,800 and $4,500 for a full slab and frame, depending on the model line, glass inserts, and rough-opening condition. Call (252) 675-6980 for an exact written quote, free.
Yes, if the frame is square, rot-free, and still structurally sound, we can replace just the slab for $1,200 to $2,800. If the frame has rot or was set out of square, a slab-only swap won’t last, and we’ll tell you that plainly before you spend a dollar.
As an independent service provider, we’re not the Therma-Tru warranty administrator, so we can’t speak for the manufacturer’s coverage on the new unit. What we can tell you is that we use OEM parts where available and our workmanship carries our own 365-Day Done Right Promise. If our install fails within a year, we make it right.
Most single-door Therma-Tru replacements are finished in one day, including haul-away of the old door. Double-door entries and jobs with rough-opening corrections may take a second day. We’ll give you a clear timeline in your written quote.
If the slab is delaminated, warped, or rotted through the bottom rail, replacement is almost always cheaper long-term than patching. If the issue is a worn threshold, sagging hinges, or bad weatherstrip, repair usually makes more sense. We’ll diagnose it honestly and write down the price for whichever path actually solves the problem.
Written by Spencer Odell, Owner, Hale Windows & Doors at Hale Windows & Doors, serving Los Angeles and nearby areas.