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Therma-Tru Impact Windows in Tampa: What to Know First
TruePane Windows & Doors installs, replaces, and services Therma-Tru impact windows throughout Tampa as an independent Therma-Tru service provider. Most Therma-Tru impact window jobs take one to two days on site, and our pricing is honest and upfront, with a free written estimate before any work begins. If you own a Therma-Tru product and need storm-rated glass set correctly, call (813) 320-9346 and a live person will answer.
This page is for Tampa homeowners who already own Therma-Tru windows or doors and want impact-rated replacements that fit the existing openings without surprises. We know these products well enough to tell you when a repair makes sense and when replacement is the only square deal.
How Therma-Tru Products Fail, and How We Fix Them
Therma-Tru builds a solid door, but Tampa’s humidity and storm cycles expose weaknesses that show up predictably. Here is what we see in the field and what we do about it.
- Frame rot at the sill on Classic-Craft and Smooth-Star units. Therma-Tru’s fiberglass and steel door slabs hold up, but the wood frame kits and brickmold absorb moisture in Tampa’s wet season. By the time a homeowner notices soft wood at the threshold, the frame has usually been wicking water for two or three summers. We cut out the rot, set the new impact-rated slab in a properly flashed opening, and seal it so water runs away from the house instead of into it.
- Failed glazing seals on Therma-Tru patio door lites. The insulated glass units in Therma-Tru sliding patio doors and hinged patio doors lose their seal after years of Tampa heat cycling. You will see fog between the panes that will not wipe off. The fix is a new impact-rated insulated glass unit, set and sealed to the manufacturer’s spec so the warranty stays intact.
- Warped or binding slabs on older Pulse and Benchmark door lines. Therma-Tru’s early composite formulations expanded and contracted more than the current ones. In Tampa, where a July afternoon can swing surface temperatures forty degrees, an older slab can bind at the strike plate. We re-hang, adjust, and when the slab is too far gone, replace it with a current impact-rated unit in the same rough opening.
- Stripped hinge screws on heavy impact door slabs. Impact-rated glass is heavy. When a Therma-Tru door with an impact lite was originally hung with standard screws, the top hinge eventually pulls loose from the jamb. We remove the stripped screws, fill the holes with hardwood dowel and wood epoxy, then re-hang with longer, heavier fasteners. The door stays square and the deadbolt lines up the way it should.
- Deteriorated weatherstripping and sweeps on all Therma-Tru lines. This is the most common call we get. Tampa’s heat and salt air eat rubber and vinyl weatherstripping faster than most manufacturers expect. Air leaks, water intrusion at the sill, and doors that whistle in a storm are the symptoms. We replace with OEM or quality aftermarket weatherseal matched to the specific Therma-Tru profile, not a generic strip from a big-box store.
Our Therma-Tru Impact Windows Process
Every Therma-Tru job follows the same sequence. It is how Dale Kessler trained the crew, and it is how we still work.
- 1
Call and measure. You call (813) 320-9346. A live person answers, takes your information, and we schedule a time that works. Our technician measures every opening twice, checks the existing frame condition, and notes how the current Therma-Tru unit is flashed and sealed.
- 2
Written quote, side by side. We put the quote on paper before any work begins. If you are comparing Therma-Tru against PGT, CGI, CWS, or ES Windows, we price them side by side so you see exactly what each line costs and what you get for the difference.
- 3
Parts decision. We tell you when OEM Therma-Tru components are the right call and when a quality aftermarket part does the same job for less money. We never install a part that voids a warranty without telling you first.
- 4
Installation day. Uniformed, background-checked technicians arrive when we say they will. The old unit comes out carefully, the opening gets inspected, and the new impact-rated window or door goes in level, square, and sealed. Both manufacturer warranty layers get registered in writing before the truck leaves the driveway.
- 5
Test and walkthrough. We operate the window or door in front of you, check the locks, check the seals, and make sure nothing binds or leaks. If the pane is not true, the job is not done.
- 6
The 90-Day Done Right Promise. If anything is not right within 90 days, we come back and make it right. No paperwork fights. No arguing.
What Therma-Tru Impact Windows Cost in Tampa
Impact window pricing in Tampa depends on the opening size, the frame material, the glass package, and the condition of the existing framing. Here are the ranges we quote most often for Therma-Tru work in this market.
| Job | Typical Tampa Range |
|---|---|
| Replace a single Therma-Tru door lite with impact-rated insulated glass | $450 - $900 |
| Full Therma-Tru impact-rated entry door, installed | $2,800 - $5,500 |
| Therma-Tru impact sliding patio door, installed | $3,500 - $7,000 |
| Full house of impact windows (10-14 openings), mid-range lines | $10,000 - $22,000 |
What moves the price: the size of the rough opening, whether the existing frame is sound or needs reconstruction, the specific glass package, and whether we are matching an existing Therma-Tru line or switching to PGT, CGI, CWS, or ES Windows. Call (813) 320-9346 for a free written estimate with exact numbers for your house. No surprises on the bill.
Why Tampa Homeowners Call TruePane Windows & Doors for Therma-Tru Work
We have been serving Tampa and the surrounding communities since 2008, and Dale Kessler started TruePane in 2008 because he kept seeing out-of-true installs and voided warranties that should have been fixed right the first time. Our technicians are background-checked and uniformed, they measure twice, and they register both warranty layers in writing before the truck leaves your driveway. A live person answers the phone 24 hours a day, seven days a week. We also carry more than a dozen manufacturer lines, so if Therma-Tru is not the right fit for your opening or your budget, we will price PGT, CGI, CWS, or ES Windows on the same sheet of paper and let you decide. We stand behind the work, the warranty, and the promise. In writing. If it needs to be in writing to be true, we will put it in writing.
FAQs
It depends on who does the work and what parts they use. Therma-Tru warranties cover manufacturing defects in the slab and components; installing an impact-rated insulated glass unit through an independent provider like TruePane does not automatically void the warranty, but using non-spec glass or an improper install can. We register both warranty layers in writing on every job and will tell you before any work begins if a parts choice could affect your coverage. Call (813) 320-9346 and we will walk you through your specific door before quoting anything.
In most cases, yes, you can replace just the insulated glass unit if the frame is sound. That is the square-deal repair when the slab is still true and sealing properly. If the frame is rotted, warped, or out of square, replacing the glass alone will not fix the underlying problem and you will pay twice. We measure, inspect, and tell you straight which path makes sense for your opening. Call (813) 320-9346 for a free assessment.
A single door lite or window replacement typically takes one visit, usually four to six hours including cleanup. A full house of impact windows takes one to two days depending on the number of openings and the condition of the existing frames. We complete most jobs in a single visit, and we will not leave a second appointment hanging. Call (813) 320-9346 and we will give you a straight timeframe for your specific job.
No. When we quote a Tampa Therma-Tru job, the price on the written estimate is the price on the final bill unless we find something hidden behind the wall that requires written approval from you before we proceed. We do not do surprise line items and we do not do change orders without your sign-off. That is the whole point of a square deal. Call (813) 320-9346 for a quote you can count on.
Yes, as long as the glass package is rated for the wind zone and the installation is done to code. The Tampa Bay area sits in a high-velocity hurricane zone, and the difference between a code-passing install and a code-failing one is usually in the flashing, anchoring, and sealing, not the glass itself. We pull permits, install to code, and pass inspection before we call the job done. Call (813) 320-9346 to schedule a free estimate for your Therma-Tru impact windows in Tampa.
Call (813) 320-9346 today. A live person answers, and your estimate is free.
Written by Dale Kessler, Owner, TruePane Windows & Doors at TruePane Windows & Doors, serving Tampa 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.



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