Free in-home measure and quote - PGT, CGI and CWS impact lines compared on your actual openings, style by style
Fast, Reliable Impact Windows & Doors Across Lisbon
Impact windows and doors in Lisbon, FL typically run $850-$2,400 per opening installed, and most replacements take one to two days once permits clear. We work throughout Lake County’s rural communities, and Lisbon’s older housing stock means we spend a good portion of every week on County Road 468, Lisbon Road, and the dirt lanes branching toward Lake Denham and Lake Harris. If you’re looking at jalousie windows that fog every winter or a slider that binds in August, call (954) 280-4413 and we’ll give you a straight answer on what replacement actually costs.
Why TruePane Windows & Doors Is Lisbon’s Preferred Impact Windows & Doors Company
TruePane has been replacing windows and doors in Lake County long enough to know what Lisbon homes hide behind their drywall. We’re a second-generation glazier’s shop, founded by Dale Kessler, and we’ve built our reputation on doing the job once, correctly, with both warranty layers registered in writing before our truck leaves your driveway. That’s The Keystone Standard. It applies to every Impact Windows & Doors install we do, whether it’s a single bedroom window or a full-house replacement.
Lisbon homeowners call us because we answer the phone. A live person, 24 hours a day, seven days a week. Not a voicemail tree, not a callback form. When a storm rolls through and a window fails, you get Dale’s team, not a regional call center. Our technicians are background-checked and uniformed, and they measure every opening twice. We quote manufacturer lines side by side on paper so you see exactly what you’re buying. Then we register both warranty layers, in writing, with durations stated, before we pack up. If the pane is not true, the job is not done. That’s been the rule since day one.
Our Impact Windows & Doors Services in Lisbon
Hurricane Impact Windows
Lisbon sits outside Florida’s High-Velocity Hurricane Zone, which means your impact windows need to meet Lake County’s inland wind-load thresholds, not the stricter coastal HVHZ specs. That’s a meaningful distinction. We regularly see Lisbon homeowners quoted HVHZ-rated product from Orlando-metro or coastal contractors at a cost premium they don’t actually need to pay. We specify what Lake County code requires, nothing more, nothing less. A full-house impact window replacement in Lisbon typically runs $18,000-$42,000 depending on opening count and frame condition. Most homes from the 1960s through 1980s have openings that need jamb and sill work before new units go in.

Impact Sliding Glass Doors
The original aluminum sliders on Lisbon’s older ranch homes are single-pane, pitted, and usually binding by now. Replacing one with an impact-rated sliding glass door runs $2,800-$6,500 installed. The bigger variable is what we find when the old frame comes out. In homes off Lisbon Road and the rural lots south of Lake Denham, rotted sill pans and undersized 2×4 rough openings are common. We handle that repair work in the same visit, with any added cost approved in writing before we touch it.

Impact Entry & French Doors
Wood entry doors on 1970s-era Lisbon homes have spent forty-plus years absorbing Lake County humidity. Jambs swell, thresholds rot, and the door that closed fine in January sticks in July. Impact-rated entry and French door systems for Lisbon run $3,500-$9,000 installed, including new framing, flashing, and sill pan waterproofing where needed. We stock parts for the major manufacturers and can usually turn a single door replacement around in one day once the permit is in hand.

Impact Garage Doors
The attached garages on Lisbon’s older single-family homes often still have original wood or thin-steel doors that would fold under hurricane-force winds. A wind-rated impact garage door runs $2,200-$5,500 depending on size and track configuration. Lisbon’s inland wind-load requirements apply here too. We’ll quote what Lake County actually mandates, not what a coastal contractor’s standard package assumes. That saves real money on a door that still does its job.

What happens when you call
- 1
A real person answersNo phone trees - you reach a local pro.
- 2
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 Lisbon
We’re an authorized installer for more than a dozen manufacturer lines, and for Lisbon’s older homes we frequently recommend Andersen’s impact-rated double-hungs, PGT’s inland wind-rated sliders, and ES Windows for custom sizes on non-standard openings. Lisbon’s mid-century houses rarely have modern rough-opening dimensions, so custom sizing matters. We keep relationships tight with these manufacturers because warranty registration is not optional on our jobs. Both layers get registered in writing before we leave. If it’s a repair rather than a replacement, we stock common parts locally and can usually finish the job in a single visit.
Common Impact Windows & Doors Problems We See in Lisbon Homes
- Fogged jalousie windows with failed seals. Decades of Lake County humidity works its way into insulated glass units, and by the time homeowners notice, the argon is gone and the window insulates about as well as a screen. Replacement is the fix, not repair.
- Rotted framing behind window and door openings. Original 1960s-1980s framing around Lisbon’s window openings is often undersized for modern impact-rated products, and water intrusion at sill pans has usually started rot. This is the number one surprise on replacement quotes.
- Concealed waterproofing failures at jambs and sill pans. Older Lisbon homes were built before modern flashing standards. Once walls are opened for window replacement, we frequently find water damage that never showed on the interior drywall. We document it, price it, and get approval in writing before proceeding.
- Non-compliant wind ratings on recent replacements. Some Lisbon homes got windows from contractors who quoted coastal HVHZ product, or worse, installed non-wind-rated units that don’t meet Lake County’s inland thresholds. We correct that and make sure the paperwork matches what’s in the wall.
Pricing for Impact Windows & Doors in Lisbon, FL
Here’s what Lisbon homeowners should expect to pay for impact-rated windows and doors, installed:
- Single impact window replacement: $850-$2,400 per opening, including standard jamb and sill work
- Impact sliding glass door: $2,800-$6,500 installed
- Impact entry or French door: $3,500-$9,000 installed, including framing repair
- Impact garage door: $2,200-$5,500 depending on size
- Full-house window replacement (12-20 openings): $18,000-$42,000
What moves the number is what we find when walls come open. Lisbon’s older homes often have rotted sills, undersized framing, and waterproofing failures that must be addressed before a new impact window goes in. We write allowances into the contract for these conditions, and any surprise gets priced and approved in writing before work continues. No change order happens without your signature. Call (954) 280-4413 for a free estimate. We’ll measure every opening twice and hand you a line-item quote you can hold us to.
| Service | Typical Installed Cost in Lisbon |
|---|---|
| Single impact window | $850-$2,400 |
| Impact sliding glass door | $2,800-$6,500 |
| Impact entry door | $3,500-$9,000 |
| Impact garage door | $2,200-$5,500 |
| Full-house replacement | $18,000-$42,000 |
We Also Serve Cities Near Lisbon
Our Impact Windows & Doors in Lisbon crew also works regularly in Acacia Villas, Alafaya, Altamonte Springs, and Altoona. If you live near Lisbon and need a straight answer on impact windows, call us. We’ll tell you what your specific house needs, what Lake County requires, and what it costs.
Serving Lisbon, FL - Our Local Coverage Area
We’re based in the Lisbon 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 - Impact Windows & Doors in Lisbon
No, you do not need HVHZ-rated windows in Lisbon. Lisbon is outside Florida’s High-Velocity Hurricane Zone, so Lake County requires inland wind-load ratings that are less stringent and less expensive than Miami-Dade specs. Contractors from Orlando or coastal markets sometimes quote HVHZ product anyway. We quote what Lisbon actually requires, which saves thousands on a typical full-house job. Call (954) 280-4413 and we’ll show you the code section on paper.
We document it, write a change order, and wait for your written approval before touching it. On a 1970s ranch off County Road 468, our crew opened up a wall expecting a straightforward jalousie replacement and found the sill rotted through and the 2×4 framing undersized for a modern impact-rated double-hung. We wrote up the repair scope, installed pressure-treated jamb extensions and sill pan flashing after approval, and still passed the rough-in inspection on schedule. That’s how we handle every surprise.
Lisbon sits within Lake County’s network of inland lakes, and that persistently elevated humidity degrades insulated glass unit seals faster than in drier inland markets. Condensation failure in dual-pane units is common by year fifteen in this area. We install low-E argon-filled units with better seal systems than the originals, and we register the manufacturer’s seal-failure warranty in writing so a fogged unit down the road is covered.
Jalousie windows are not worth keeping in Lisbon. They leak air constantly, they fog every winter from failed seals, and they provide no meaningful wind protection. In most cases the jalousie frames also have rotted sills hidden behind them. Replacement with impact-rated fixed or casement windows runs $850-$2,400 per opening depending on size and what framing repairs the opening needs. Call (954) 280-4413 for a free estimate.
Yes, window and door replacements in Lisbon require a Lake County permit, and the permit triggers a rough-in inspection that verifies wind-load compliance, flashing, and framing condition. If the inspector finds undersized framing or non-compliant existing work, those items must be corrected before sign-off. We pull the permit, schedule the inspection, and stand behind the work through final. A square deal means the paperwork is as straight as the install.
Get the Real Story on Inland Wind Code and What Your Lisbon Home Is Hiding
Most impact window quotes for Lisbon tell you about the glass. Ours starts with the wall. Homes built in the 1960s through 1980s out here carry original framing, original flashing, and decades of Lake County humidity in the wood. Open a wall and you find what you find. We inspect first, write allowances into the contract, and price every surprise in writing before we proceed. That’s how we keep a quote from blowing up mid-project. If you want impact windows and doors done right in Lisbon, call (954) 280-4413. Dale Kessler’s team will answer the phone, measure twice, and tell you the truth about what your house needs.
Written by Dale Kessler, Owner at TruePane Windows & Doors, serving Lisbon and Lake County with impact windows and doors done right.
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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