Free in-home measure and quote - PGT, CGI and CWS impact lines compared on your actual openings, style by style
Therma-Tru Door Installation: The Boynton Beach Owner’s Guide
Therma-Tru door installation in Boynton Beach typically runs $2,400 to $5,800 installed, depending on door size, glass package, and whether the existing frame needs correction. We stock Therma-Tru-compatible hardware and weatherseal parts on the truck, and most single-door installations go in the same day we start. Most Boynton Beach homeowners discover they need us when the door binds at the top corner in August, the sweep leaves a visible gap where the afternoon sun pushes through, or the original installer’s caulk job finally gives out after years of salt air and humidity. The door itself is often fine. The installation around it, not so much.
Which Therma-Tru Models This Applies To
We work with the full Therma-Tru residential line: Classic-Craft, Fiber-Classic, Smooth-Star, Pulse, and the Benchmark entry series. The compatibility gotcha most owners run into is this: Therma-Tru fiberglass doors take a specific backset on the lockset bore, and big-box replacement hardware often doesn’t match cleanly without a jig. We see mis-bored doors in Leisureville and Sterling Village regularly, where someone installed a generic knob assembly and the deadbolt throws maybe 60 percent of the way into the strike plate. That’s not a door problem; that’s an installation problem.
We are an independent installer, not affiliated with Therma-Tru. That matters because it means we can tell you plainly when an OEM part is the right call and when a quality aftermarket equivalent from PGT, CGI, or CWS does the same job for less. The label matters less than the fit. We measure the frame three ways, confirm the swing and the hinge placement, and put the options on paper before any work starts.
Signs Your Therma-Tru Door Installation Is Failing
- The door rubs at the top corner in summer. Florida humidity swells the jamb, and a frame that wasn’t shimmed with room to move will bind every July. The fix is resetting the frame, not planing the door.
- Light shows at the threshold. The sweep or the adjustable sill has worn or was never adjusted for your floor. That gap is where your air conditioning leaves the house and where water finds its way in during a hard Boynton Beach rain.
- You can feel air moving around the weatherstrip. Even new weatherstrip won’t seat correctly if the door isn’t hung square. We check the square before we replace the strip, not after.
- The deadbolt doesn’t throw fully. This is usually a strike plate that was never aligned properly. It also means the door isn’t latching the way it was engineered to, which shortens hardware life and leaves the door working against itself.
- The frame is pulling away from the wall at the bottom hinge side. We see this in homes built in the ’70s and ’80s where the original rough opening was oversized and someone packed it with shims and hope. The door settles, the frame follows, and the gap is the evidence.
Replacement Cost & What’s Included
In Boynton Beach, a straightforward Therma-Tru door installation with existing frame and trim intact usually lands between $2,400 and $3,800. Add a full frame replacement, rot repair to the rough opening, or a custom size, and you’re looking at $4,000 to $5,800. We write the price on the quote before we start. No change orders waiting for you at the end. The price includes the door, hardware, weatherseal, insulation, all fasteners, shims, and setting the frame plumb and square. We register both warranty layers in writing before the truck leaves your driveway. That’s The Keystone Standard, and it’s been our practice since Dale Kessler started this company building off the rule his father taught him: if it’s not in writing, it’s not a guarantee, it’s a conversation.
We don’t quote the cheapest number in Boynton Beach. We quote the number that covers the job being done right, and if something isn’t right after we leave, the Done Right Promise means we come back and fix it. No fine print, no argument.
DIY or Call Us?
There are things you can check yourself: whether the existing weatherstrip is cracked, whether the threshold screws have backed out, whether the door scrapes at the top or only on one side. Those observations help us diagnose before we arrive. What we don’t recommend is pulling the door out of the frame, re-shimming a hinge, or attempting to bend a steel frame back into square. Therma-Tru fiberglass doors are heavy. A dropped door will hurt someone or break the glass insert, and a frame set out of square will keep taking money from you in energy costs and hardware wear every year you live with it.
If you want a second set of eyes before deciding, call (561) 708-6771. We’ll tell you what we see and what we’d do, and you’ll have a number in writing before you commit to anything.
FAQs
A properly installed Therma-Tru fiberglass door will last 25 to 35 years in South Florida. What fails first in our climate is almost never the slab itself; it’s the weatherseal breaking down under UV and salt exposure, and the frame loosening as the house settles and the humidity cycles. Annual or seasonal checks on the weatherseal and hinge tension will get you the full life out of it.
Yes, often. If the slab is solid and the frame is sound, we can re-set the hinges, replace the weatherseal, adjust the sill, and realign the strike plate. If the frame is rotted or the door has a failed glass insert, replacement is usually the more honest long-term answer. Call (561) 708-6771 and we’ll tell you which case you’re in after looking at it.
A standard single door swap with existing frame intact takes one day from removal to final sweep adjustment. If we’re replacing a rotted frame or custom-sizing a rough opening, plan on two to three days. Before we schedule, we’ll tell you exactly what the scope is.
We stock common Therma-Tru hardware, weatherseal, and sweep components on our service trucks, and we order doors to spec direct from the manufacturer with a lead time of two to six weeks depending on the glass and finish options. If you need a part matched to your existing model, call (561) 708-6771 with the label info from the door edge and we’ll confirm what fits before we schedule.
Written by Dale Kessler, Owner, TruePane Windows & Doors at TruePane Windows & Doors, serving Boynton Beach and nearby areas.
Six Reasons Homeowners Choose TruePane Windows & Doors
Impact systems engineered to design pressures up to +/-100, matched to your wind zone - your openings hold when the storm arrives.
Low-E insulated impact glass from our manufacturer lines commonly cuts monthly cooling bills 20-30%.
Laminated impact glass shuts out up to 40% of outside noise - traffic, neighbors, weather.
Monitoring services run $30-90 a month. Laminated impact glass resists forced entry around the clock, with no subscription.
Florida homeowners average around 25% savings on the windstorm portion of their policy after protecting every opening - some homes qualify for more.
A full impact package upgrades curb appeal, buyer confidence and appraised value in one project.



Before
After
Before
After
Before
After