Free in-home measure and quote - PGT, CGI and CWS impact lines compared on your actual openings, style by style
Fast, Reliable Custom Windows & Doors Across St. Leo
Custom window and door work in St. Leo is not the same as a standard replacement job in Pasco County. Between the thick masonry walls on Saint Leo University’s historic buildings and the humid, inland climate that punishes wood and seals, you are dealing with conditions that out-of-area crews rarely see until the first opening fails to fit. We know the difference because we have measured it, ordered for it, and installed against it. If you need Custom Windows & Doors measured, quoted, and installed correctly the first time, call TruePane Windows & Doors at (813) 320-9346. A live person answers, around the clock.
Why TruePane Windows & Doors Is St. Leo’s Preferred Custom Windows & Doors Company
We are a second-generation glazier’s operation, founded by Dale Kessler in 2008, and we have spent more than years earning trust across Florida communities like St. Leo. The work here often demands more than a parts swap. Historic masonry openings with 12 to 18 inch wall depths require extension jambs and custom trim profiles that stock catalog windows will not cover. Our crew has fabricated those jambs in mahogany, matched original millwork, and registered both manufacturer warranty layers in writing before leaving the driveway.
St. Leo homeowners and the university’s facilities staff keep asking for one thing: a company that will still answer the phone if something goes wrong. We stand behind every install with a 90-Day Done Right Promise. If the pane is not true, the job is not done. That is the rule Dale keeps on the whiteboard, and it governs how our background-checked, uniformed technicians work in your home or on a campus building. No arguing. No paperwork fights.
Live people answer our calls 24 hours a day, seven days a week. Not a voicemail tree. Not a regional call center. When a St. Leo homeowner calls about a fogged custom sash or a door that binds in July, they speak to someone who can act.
Our Custom Windows & Doors Services in St. Leo
Architectural Grilles & SDLs
Simulated divided lites, or SDLs, keep the historic look of true divided light windows while giving you modern insulated glass performance. On Saint Leo University’s older masonry structures, we match original muntin profiles and widths so the replacement unit reads as original from the sidewalk, not as a vinyl insert. For St. Leo homes built in the 1970s through 1990s, we often spec a narrower SDL bar to complement the clean lines of concrete-block construction without making the window feel cluttered. Grille pattern, bar width, and finish are set on paper before any glass is ordered.

Oversized Glass Panels
Oversized glass changes the feel of a room, but in St. Leo the engineering matters more than the aesthetic. High humidity near the Green Swamp watershed and Lake Jovita means even large insulated units need proper thermal breaks and argon fill to resist seal failure. We have installed oversized panels in custom homes and commercial settings across St. Leo, and we specify framing systems rated for Pasco County wind loads. A panel too large for its frame fails slowly, then visibly. We would rather size it right the first time.

Custom Shape Windows
Radius tops, arches, trapezoids, and angled windows show up frequently on St. Leo’s older campus buildings and in custom residential work. These are not off-the-shelf units, and the rough opening itself is often the biggest variable. We measure every opening twice, usually with the original sash still in place, and we quote manufacturer lines like Andersen, Marvin, and Pella side by side on paper so you see exactly what you are buying. Custom shapes in St. Leo almost always need custom flashing details, so we walk the opening with you before ordering.

Commercial Storefront Glazing
For commercial buildings in and around St. Leo, storefront glazing has to handle Florida sun, humidity, and wind-load codes while still looking clean. We handle replacement and new-install storefront work with aluminum systems rated for Pasco County. Most commercial jobs are completed in a single visit once the glass and framing arrive, and we do not leave second appointments hanging. If a storefront needs new glass, we measure, order, and schedule around your operating hours where possible.

Curtain Wall Systems
Curtain wall work on larger buildings requires coordination between the architect, the structural engineer, and the glazing contractor. On Saint Leo University projects and nearby institutional buildings, lead times on custom curtain wall components typically run six to ten weeks, sometimes longer when architectural glass is involved. We quote that timeline honestly up front. The labor takes days. The materials take weeks. We would rather tell you that before you sign than after the opening is cut.

What happens when you call
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A real person answersNo phone trees - you reach a local pro.
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You get an upfront price rangeHonest numbers before anyone is dispatched.
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A background-checked tech heads outLicensed & insured, dispatched right away.
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You approve before work beginsNothing starts until you say go.
Trusted Brands We Service in St. Leo
We are an authorized installer for more than a dozen manufacturer lines, including Andersen, Pella, and Marvin. That matters for warranty registration. Both manufacturer warranty layers are registered in writing before our truck leaves your driveway in St. Leo. We also service and replace ViewLux products and other lines we do not carry, because a homeowner with a failed seal should not have to chase down a specialty installer just to get an honest answer. Parts for common St. Leo applications are sourced directly from manufacturer channels, which keeps turnaround faster than a broker or a subcontractor who orders through a middleman.
Common Custom Windows & Doors Problems We See in St. Leo Homes
- Fogged glass on the thick-wall campus buildings. The deep masonry openings trap heat and moisture differently than a standard Florida framed wall. Single-pane sashes that were original to the 1880s through mid-century buildings fail slowly, then all at once. A fogged custom unit needs a full insulated glass replacement, not a wipe-down.
- Standard jamb depths specified for 12 to 18 inch walls. This is the most common mistake we see from well-meaning crews who have not worked on Saint Leo University’s buildings. Stock jambs leave a gap, and the interior trim cannot cover it. Custom extension jambs are the fix.
- Humidity-driven wood rot in frame corners. St. Leo sits near the Green Swamp watershed, where still, humid air accelerates rot in wood-frame windows faster than coastal communities with steady breezes. We see it most in 1970s and 1980s homes where the original window flashed poorly at the sill.
- Non-impact-rated replacement sashes rejected at permitting. Pasco County falls under Florida Building Code wind-speed requirements, and any permitted replacement work on a campus building or a St. Leo residence must carry the right rating. Ordering the wrong sash costs weeks, not days.
Pricing for Custom Windows & Doors in St. Leo, FL
Custom windows and doors in St. Leo run higher than standard replacements because the openings here often are not standard. A custom shape window with an arched top on a 1990s St. Leo home typically runs $900 to $2,200 per unit installed, depending on the glass package and frame material. Architectural grilles or SDLs add $70 to $180 per sash. Oversized glass panels start around $1,500 and climb based on square footage and wind-load requirements. A full custom door with sidelites commonly lands between $3,500 and $8,000.
The real driver on this tier of work is lead time, not labor. Custom millwork and architectural glass in St. Leo often run six to ten weeks from order to delivery. We fix the price in writing before anything is ordered. No change orders because a supplier ran long. No surprise line items on the final bill. Call (813) 320-9346 for a free estimate and a line-item quote you can hold in your hand.
We Also Serve Cities Near St. Leo
TruePane serves the full St. Leo area and nearby communities including Acacia Villas, Alafaya, Altamonte Springs, and Altoona. If you are in one of those communities and need the same candidate, square-deal pricing and written warranty registration, call us at (813) 320-9346. We would rather drive a few extra miles and do the job right than see another thick-wall opening spec’d wrong.
Serving St. Leo, FL - Our Local Coverage Area
We’re based in the St. Leo area and know this community well. Use the map below to see our service coverage - if you’re nearby, we can almost certainly help.
FAQs - Custom Windows & Doors in St. Leo
The abbey and chapel buildings on Saint Leo University’s campus were built with masonry walls 12 to 18 inches thick, so standard replacement window flanges and stock jamb depths do not bridge the opening. Our crew fabricates custom wood extension jambs, often in mahogany, to match the original millwork and close the gap cleanly from interior to exterior. Call (813) 320-9346 and we will measure your opening in person before recommending a fix.
Any permitted replacement window in St. Leo must meet Pasco County’s Florida Building Code wind-load requirements, which generally means wind-rated or impact-rated assemblies depending on the structure. For the university’s historic masonry buildings, that often means impact-rated glazing with argon fill set into custom frames. We quote the required rating in writing before ordering, so there is no permitting surprise later.
Lead times are the schedule, not labor. Custom millwork and architectural glass for a St. Leo job typically run six to ten weeks from order to delivery, while the actual install takes days. We have had customers assume the crew was the bottleneck and get caught off guard waiting on glass. We set the delivery calendar at the quote stage and keep the installed price fixed regardless of lead time.
Fog between panes means the thermal seal has failed, and the fix is a replacement insulated glass unit, not a cleaning. On older St. Leo homes, especially those from the 1970s through 1990s near the Green Swamp, persistent humidity makes seal failure more common than in drier inland climates. We measure the existing sash, order a matching unit with the right coating and gas fill, and register the manufacturer warranty in writing.
Yes, and that is exactly the kind of work we have done on campus. On a 1930s masonry building along the campus core, our crew replaced failing single-pane sashes with custom Marvin double-hungs set into 14-inch walls. We fabricated extension jambs in mahogany to match the original millwork, upgraded to impact-rated glazing with argon fill, and coordinated lead times with the university’s architect. The insulated glass units arrived in six weeks, and the total written price held from estimate to final walkthrough.
Get a Free Estimate for Custom Windows & Doors in St. Leo
If you live in St. Leo or manage a building on campus, you are dealing with openings that reward a careful hand and punish a rushed one. We measure twice. We quote side by side on paper. We register both warranty layers before the truck leaves. And if the pane is not true, the job is not done. Call TruePane Windows & Doors at (813) 320-9346 for a free estimate. A live person answers, day or night.
Written by Dale Kessler, Owner at TruePane Windows & Doors, serving St. Leo with custom windows and doors built to last.
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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