Free in-home measure and quote - PGT, CGI and CWS impact lines compared on your actual openings, style by style
Before
After
Before
After
Before
After3-Panel Sliding (3-Lite Roller) Windows in West Palm Beach, FL
A 3-panel sliding window – also called a 3-lite roller – gives you a wider glass opening than a standard two-panel unit, with one fixed center panel flanked by two sliding panels that roll on a track. In West Palm Beach, they’re a practical choice for wide wall openings, rooms that face the Intracoastal, or any space where you want maximum cross-ventilation without swinging sashes eating into your living area. Call us at (561) 660-9539 and a live person will pick up – any time of day.
At Winslow Windows & Doors, Ed Winslow has been installing 3-lite rollers across West Palm Beach as part of our Window Installation services since 2011. We’re a locally owned, owner-operated shop – not a franchise that routes your call to a regional office. When you work with us, Ed’s name is on the job from the first measurement to the final inspection. Every 3-panel sliding window we install is covered by our Done Right Promise: if it’s not done right, we come back and make it right. No negotiating, no finger-pointing at the manufacturer.
Our full range of window work is described on our Window Installation in West Palm Beach page. The 3-lite roller is one of the more specific configurations we install, and it deserves its own conversation – because getting the track, panel weight, and impact rating right on a wide three-panel unit is different from replacing a standard double-hung.
When You Need 3-Panel Sliding (3-Lite Roller) Windows
Not every home needs a 3-lite roller, but certain situations in West Palm Beach make them the obvious answer. Here’s when we typically recommend them:
- Wide wall openings without structural support in the center. If you have an opening wider than roughly 72 inches and removing the center stud isn’t an option, a 3-panel configuration naturally accommodates that span. We see this often in older homes in Northwood Hills and SoSo, where original builders left wide picture-window rough openings.
- Rooms that need airflow on both sides of the opening. Because both outer panels slide independently, a 3-lite roller lets you open the left side, the right side, or both at once. In West Palm Beach’s summer humidity – regularly 80% or higher through August and September – that kind of control matters when you’re running a ceiling fan instead of the AC.
- Existing 3-panel windows that are fogging, sticking, or leaking. Salty air off the Atlantic corrodes roller hardware faster than most homeowners expect. If your current sliders are dragging on the track, leaving salt deposits on the glass, or showing condensation between the panes, the seals and rollers have likely failed. Replacing the full unit is almost always more cost-effective than chasing individual parts.
- Impact-rating upgrades required by your insurance carrier or HOA. Since the 2024 Citizens Property Insurance recertification push in Palm Beach County, a number of West Palm Beach homeowners – especially in Flamingo Park and El Cid – have contacted us after receiving letters requiring them to document impact-rated glazing. A 3-lite roller in PGT or CGI impact glass satisfies those requirements in a single installation.
- Kitchen or great-room remodels where you want an unobstructed view. The fixed center panel of a 3-lite roller sits flush with the two operable panels, giving you a clean horizontal band of glass. It reads as one large window from the outside and a picture-frame view from inside – popular in the Palm Beach Lakes and Grandview Heights neighborhoods where renovations are running at a high pace right now.
- Replacing single-pane aluminum sliders from the 1970s or 1980s. West Palm Beach has a lot of original aluminum-frame sliders from that era. They’re single-pane, have no low-E coating, and are nowhere near current Florida Building Code for wind load or energy performance. A modern 3-panel unit with laminated impact glass and a thermally broken frame will cut heat gain noticeably and bring the home into code compliance.
Our 3-Panel Sliding (3-Lite Roller) Windows Process
We keep the process straightforward because surprises on a window job almost always mean extra cost and delay. Here’s how a 3-lite roller installation runs with us from start to finish.
- Free on-site measurement and assessment. One of our background-checked, uniformed technicians visits your home, measures the rough opening precisely, checks the surrounding framing for rot or water damage, and confirms the slab or header can carry the panel weight. For wide 3-panel units, that framing check is not optional – a heavy impact-rated unit in a compromised opening is a problem waiting to happen. No trip charge inside Palm Beach County.
- Upfront written quote. Before we leave your driveway, you have a written price in hand – broken down by materials, labor, and permit fees if they apply. We don’t do “call us for pricing” and then adjust the number after we have the job. What’s on the quote is what’s on the invoice.
- Product selection and order. We’ll walk you through the specific 3-lite configurations available from our authorized brands. For West Palm Beach, we typically discuss options from ES Windows and ECO Window Systems first, because both offer Florida Product Approval numbers for impact-rated 3-panel sliders that satisfy current Palm Beach County permit requirements. We order directly as authorized installers, which means you’re getting the actual manufacturer warranty – not a gray-market unit.
- Permit pull (when required). West Palm Beach requires a building permit for window replacements that involve structural changes or size modifications. We handle the permit application and scheduling the required inspection. You don’t need to visit the building department or take time off work to meet an inspector – we coordinate it.
- Installation day. Our crew removes the existing window, treats any exposed framing, sets the new frame, installs the fixed center panel, hangs both sliding panels, adjusts the rollers, and seals the perimeter with code-compliant flashing and caulk. A 3-lite roller in a standard opening typically takes four to six hours. We leave the site clean – no old frame pieces left in the yard, no hardware debris on the floor.
- Final walk-through and 36500-Day Promise confirmation. Before we pack up, we demonstrate the operation of both panels, show you how to clean and lubricate the track, and confirm the job is covered by the Done Right Promise. If anything is off – a roller that drags, a seal that looks suspect – we address it before the truck leaves your street.
3-Panel Sliding (3-Lite Roller) Windows Pricing in West Palm Beach
3-panel sliding window installation in West Palm Beach typically runs between $950 and $2,800 per unit, fully installed. That’s a wide range, and the variables are real – here’s what actually moves the number.
| Configuration | Typical Installed Price Range |
|---|---|
| Standard 3-lite roller, non-impact, vinyl frame (36″-60″ wide) | $950 – $1,300 |
| Impact-rated 3-lite, laminated glass, vinyl or aluminum frame (48″-72″ wide) | $1,400 – $2,100 |
| Large-format impact 3-lite (72″+ wide), thermally broken aluminum frame | $1,900 – $2,800 |
| Permit fee (Palm Beach County, when required) | $75 – $200 (varies by scope) |
| Frame rot repair or header reinforcement (if needed) | $150 – $450 additional |
What pushes the price up:
- Impact-rated laminated glass adds cost but satisfies Citizens and most private insurer requirements – and may reduce your annual premium enough to offset part of the investment over a few years.
- Thermally broken aluminum frames cost more than standard vinyl but perform better on large-format openings where vinyl can flex under Florida’s wind loads.
- Existing frame damage from water intrusion or termites – common in West Palm Beach homes built before 1990 – requires remediation before the new unit can be set properly.
- Second-story installation adds staging time and labor, typically $100-$250 per unit.
What does not affect your price: the distance to your address within Palm Beach County. We don’t charge a trip fee inside the county – period. Seniors and veterans receive a permanent 10% discount on labor, and if your total repair or installation is over $200, we’ll take $40 off. Call (561) 660-9539 for a free, no-obligation estimate. A real person answers, and we can usually schedule a measurement visit within a day or two.
FAQs – 3-Panel Sliding (3-Lite Roller) Windows
What is the difference between a 3-lite roller and a standard two-panel sliding window?
A 3-lite roller has three panels – one fixed center glass and two operable panels that slide on tracks to the left and right – while a standard two-panel slider has one fixed and one operable panel. The 3-lite configuration spans wider openings (typically 72 inches and up) and allows ventilation from both sides independently, which is useful in West Palm Beach’s coastal climate where directing the prevailing southeast breeze through a room can reduce AC runtime. For angled openings that catch breezes differently, we also install Bay & Bow Windows. If your opening is under 60 inches, a standard two-panel unit is usually the more economical choice. Call us at (561) 660-9539 and we’ll help you figure out which configuration actually makes sense for your space.
Do I need a permit to replace a 3-panel sliding window in West Palm Beach?
Yes, in most cases. The City of West Palm Beach requires a building permit for window replacements when the work involves a change in rough opening size, a structural modification, or when the replacement is part of a larger renovation. Like-for-like replacements in the same rough opening sometimes qualify for a simplified permit rather than a full structural review, but the building department makes that determination. We handle the permit application as part of our installation process – you don’t have to track it yourself. Permit fees in Palm Beach County typically run $75 to $200 depending on the scope of work.
How long do 3-panel sliding windows last in West Palm Beach’s salt-air environment?
A properly installed impact-rated 3-lite roller with a corrosion-resistant frame and stainless-steel roller hardware should give you 20 to 30 years of reliable service in West Palm Beach’s coastal conditions. The limiting factor is usually the track and roller system, not the glass itself. Salt air accelerates corrosion on lower-grade hardware – we’ve replaced units in the Lake Worth corridor that failed in under a decade because the original rollers were bare steel. Products from ES Windows and ECO Window Systems use hardware rated for high-humidity coastal exposure, which is why we specify them frequently for homes in West Palm Beach and nearby neighborhoods closer to the Intracoastal. Annual track cleaning and a light application of silicone lubricant extend the life significantly.
Can a 3-lite roller window be impact-rated for Florida Building Code compliance?
Yes. Impact-rated 3-panel sliding windows are available with Florida Product Approval numbers, meaning they’ve been tested to the wind-load and impact-resistance standards required by the Florida Building Code. The glazing on these units is laminated – two glass layers bonded to an interlayer that holds together on impact rather than shattering. In West Palm Beach, where Palm Beach County enforces current FBC requirements on all permitted work, we install impact-rated 3-lite rollers and Casement Windows from authorized manufacturers with valid Product Approval documentation. This satisfies both the building department and most insurance carriers requiring documented opening protection. Call (561) 660-9539 for a free estimate and we’ll confirm exactly which products qualify for your specific situation.
Why West Palm Beach Homeowners Call Winslow First
Ed Winslow started this company in West Palm Beach in 2011, and the business hasn’t drifted far from its original premise: do the job correctly, be reachable when something needs attention, and put your name on everything you do. We’re not a scheduling platform that subcontracts the work out to whoever is available that week. The technicians who show up at your door are our technicians – background-checked, uniformed, and familiar with the specific challenges of installing windows in South Florida’s climate.
The Done Right Promise is the clearest expression of how we operate. It’s not a warranty card you file and forget. It means that if a 3-lite roller we installed isn’t performing correctly – a panel that’s become hard to slide, a seal that’s showing moisture infiltration, a frame that wasn’t set level – we come back and fix it. No debate about whose fault it is. Ed’s name is on the door, and on every job we do.
For homeowners who’ve dealt with contractors who disappeared after the final payment, or national chains where the person who sold you the job can’t tell you who’s coming to install it, that kind of accountability is the whole point. We answer the phone at 2 a.m. A real person picks up. If you have a question the night before your installation or a concern the morning after, you’re not leaving a voicemail.
We’re authorized installers for eight premium brands, and for 3-panel sliding windows specifically, we most often work with CWS, ES Windows, and ECO Window Systems – manufacturers whose product lines are built for Florida’s wind and humidity conditions and who carry valid Florida Product Approval on their 3-lite configurations. We also install Awning & Hopper Windows for smaller openings and specialty applications. We order directly from these manufacturers, which protects your product warranty from the first day forward.
Whether you’re in Flamingo Park replacing 1970s aluminum sliders, in Northwood Hills upgrading ahead of a Citizens recertification, or in the Palm Beach Lakes area finishing a great-room renovation, the process is the same: free measurement visit, written quote before we leave, permit handled by us, clean installation, and a walk-through before we go. Seniors and veterans save 10% on labor, automatically, every time.
Explore our full range of replacement and new-construction options on the home page, or go deeper on configurations and brand options through our complete guide to Window Installation in West Palm Beach.
Get a Free Estimate on 3-Panel Sliding Windows in West Palm Beach
If you’re ready to measure, replace, or upgrade to a 3-lite roller window in West Palm Beach, call (561) 660-9539 today. A live person answers every call, around the clock. We’ll schedule a free on-site measurement at a time that works for you, give you a written quote before we leave, and walk you through every option without pressure. No trip charge inside Palm Beach County. Upfront pricing. No surprises on the invoice. That’s the Winslow way – and it has been since 2011.
Written by Ed Winslow, Owner at Winslow Windows & Doors, serving West Palm Beach since 2011.
Six Reasons Homeowners Choose Winslow 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.