Free in-home measure and quote - PGT, CGI and CWS impact lines compared on your actual openings, style by style
Fast, Reliable Sliding & Patio Doors Across Lake Park
Sliding and patio door installation in Lake Park typically runs $2,800-$6,500 for impact-rated units, with most jobs completed in one to two days once permits clear. We serve Lake Park from our South Florida scheduling office, and our crews are familiar with the town’s postwar housing stock, the salt-air exposure along the Intracoastal, and the specific framing conditions that original jalousie-era homes present.
Call (561) 354-3861 to schedule your free measured survey. We bring a written price before any work starts, and that document does not change unless you approve a written change order.
Why Sightline Windows & Doors West Palm Beach Is Lake Park’s Preferred Sliding & Patio Doors Company
We’ve worked in Lake Park long enough to know what the inspectors flag. The town’s concentration of 1940s-1960s homes with original jalousie windows and single-pane aluminum sliders means wind-mitigation failures are routine here, and the replacement conversation is usually driven by an insurance non-renewal notice, not by choice. Our Sliding & Patio Doors in Lake Park crews understand that urgency.
Our reputation in Lake Park is built on documentation, not promises. Every job leaves a photo record. Every quote is written before any tool is lifted. The 365-Day Done Right Promise is stamped on every contract under the Haven Standard, not offered as a courtesy after the fact. Our technicians are background-checked, uniformed, and identified by license number before arrival - Haven Clause 3, Verified Crews.
Calls are answered by a live person, 24/7. No voicemail queue, no callback window.
Our Sliding & Patio Doors Services in Lake Park

Patio Doors
New patio door installation in Lake Park homes ranges from $2,400 for a standard vinyl slider up to $5,200 for a thermally broken aluminum unit with low-E glazing. Most of the homes we measure near Lake Shore Park and along Old Dixie Highway were built with rough openings sized for jalousie frames, not modern patio door systems. We inspect the opening before quoting, and if the jamb needs re-framing, that allowance is written into the contract from the start.

Impact Sliding Glass Doors
Impact sliding glass doors in Lake Park run $3,800-$6,500 installed, depending on frame material, glass interlayer, and whether the rough opening requires re-framing. Palm Beach County’s coastal design wind speed of 140+ mph means any permitted replacement must be impact-rated or paired with an approved storm protection system. We specify PGT, CGI, and ECO Window Systems impact sliders by performance tier and price range, not by what is in stock. On Intracoastal-facing homes, we specify stainless hardware and marine-grade thresholds to resist the salt-air corrosion that destroys standard aluminum rollers within three to five years.

Sliding Glass Door Replacement
Sliding glass door replacement is our most common Lake Park job, typically $2,800-$5,800. The existing unit usually fails from salt-corroded rollers, cracked single-pane glass, or water intrusion at the threshold pan. But the real work often starts once we pull the old slider. Original jalousie rough openings are frequently 1-3 inches short or out of square, and the waterproofing membrane behind the threshold has usually failed decades ago. Our measured survey documents the opening exactly, and any re-framing or structural repair is priced and approved in writing before we touch the wall.

Impact French Patio Doors
Impact French patio doors in Lake Park range from $4,200-$7,800, with multi-point locking hardware and laminated glass standard. These units suit homeowners replacing old hinged doors or converting a window opening to terrace access near the Intracoastal. We stock Therma-Tru and ViewLux French door systems, specified by what the opening requires. The wider swing radius and additional deadbolt points make these a better security choice for ground-floor installations in Lake Park’s older frame homes.

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.
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AfterTrusted Brands We Service in Lake Park
We draw from eight verified manufacturer lines: PGT, CGI, CWS, ES Windows, ECO Window Systems, Mr-Glass, Therma-Tru, and ViewLux. For Lake Park’s salt-air environment, we typically specify ECO Window Systems and Mr-Glass for their marine-grade hardware options, and Therma-Tru for French door applications where thermal performance and multi-point security are priorities. We do not push inventory. The brand is specified by the opening’s exposure, the homeowner’s performance requirement, and the written price range they approved.
Common Sliding & Patio Doors Problems We See in Lake Park Homes

- Undersized or out-of-square rough openings behind original sliders. Lake Park’s jalousie-era homes were framed for louvered glass units, not modern impact sliders. On the Intracoastal side of town, we regularly find openings 1-3 inches short, which prevents an impact door from seating, draining, or passing inspection without re-framing the jamb first.
- Salt-air corrosion on hardware and rollers. Lake Park sits directly on the Intracoastal Waterway with the Atlantic less than a mile east. Aluminum rollers and track hardware visibly degrade within years, not decades. Standard interior-grade components fail prematurely here.
- Failed waterproofing at the threshold pan. Water migrates under the slider, rots the substrate, and creates the exact condition Palm Beach County inspectors flag during wind-mitigation surveys. We document this with photos before quoting the repair.
- Obsolete frame dimensions that rule out simple retrofit. Many Lake Park homes built between 1945 and 1970 have rough openings sized to now-obsolete frame dimensions. Full tear-out replacement with re-framing is the standard job, not an upsell.
Pricing for Sliding & Patio Doors in Lake Park, FL
| Service | Typical Range in Lake Park |
|---|---|
| Standard patio door replacement (vinyl, non-impact) | $2,400 - $3,800 |
| Impact sliding glass door replacement | $3,800 - $6,500 |
| Impact French patio door installation | $4,200 - $7,800 |
| Rough opening re-framing (when required) | $800 - $2,200 |
| Threshold pan / waterproofing repair | $600 - $1,400 |
What moves the price: frame material (vinyl, aluminum, thermally broken aluminum), glass package (impact-rated, low-E, tint), hardware grade (standard vs. marine-rated), and whether the rough opening requires re-framing or structural repair. Every Sightline quote includes the measured survey you keep, the written scope, and the documented photo record. The price on the page is the price on the invoice. Haven Clause 1: Have it in writing.
Call (561) 354-3861 for your free measured survey and written estimate.
What Opening an Older Lake Park Home Actually Turns Up

This is the single biggest reason a sliding door quote moves, and it happens more often in Lake Park than anywhere else we serve in Palm Beach County.
Lake Park is one of the county’s oldest planned communities, with a high concentration of 1940s-1960s postwar homes that still carry original jalousie and single-pane aluminum windows - systems that automatically fail Florida wind-mitigation inspections and cannot be hurricane-rated. As Citizens Insurance and private carriers increasingly require current wind-mitigation reports for policy renewal, Lake Park homeowners face a compliance-driven replacement mandate that is far more acute here than in the newer suburbs to the north and west.
When we open the wall on one of these homes, we find four things with predictable regularity: outdated wiring that no longer meets NEC requirements, undersized or damaged framing from the original jalousie installation, failed waterproofing at the threshold pan, and code upgrades that a permit triggers once the wall is open. None of this is guesswork. We inspect first, write allowances into the contract, and if we encounter a surprise, it is priced and approved in writing before we touch it.
On a 1955 CBS home near Lake Shore Park, our crew pulled the original single-pane aluminum slider and found the rough opening framed around a louvered jalousie unit, with a 2-inch short jamb and crusted salt corrosion on the threshold pan. We re-framed the opening, installed a PGT impact sliding glass door with laminated glass interlayer, and the homeowner cleared the wind mitigation inspection on the first pass. The photo record documented every stage. The written price matched the measured survey.
This is why we do not quote over the phone for Lake Park homes built before 1970. The opening must be measured, the framing must be inspected, and the price must be written before any work starts.
We Also Serve Cities Near Lake Park
Our Sliding & Patio Doors crews also work in West Palm Beach, Westgate, North Palm Beach, and Royal Palm Beach. Scheduling and dispatch are coordinated from our South Florida office, with local crews assigned by proximity to keep response times short across northern Palm Beach County.
Serving Lake Park, FL - Our Local Coverage Area

We’re based in the Lake Park 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 - Sliding & Patio Doors in Lake Park
Jalousie windows and their slider variants cannot achieve any meaningful wind or impact rating under Florida Building Code, and Palm Beach County inspectors will not pass them. Local inspectors regularly flag these units during wind-mitigation surveys, and Citizens Insurance sends non-renewal notices specifically to Lake Park owners in this zip code who still have them. Re-screening or re-hanging does not change the fundamental failure. Call (561) 354-3861 for a free measured survey and written replacement quote.
Often, yes. Lake Park’s jalousie-era sliders were frequently set into rough openings sized for obsolete louvered frames, so on the Intracoastal side of town we regularly find the opening 1-3 inches short or out of square. An impact slider will not seat, drain, or pass inspection without correcting this first. Our measured survey documents the exact condition, and any re-framing is priced and approved in writing before installation begins.
Palm Beach County requires inspection at rough-in, after installation, and final. If opening the wall reveals outdated wiring, failed waterproofing, or structural repair needs, those items must be addressed and re-inspected before final approval. We build allowances for common conditions into the written contract, and any additional work is priced and approved in writing before we proceed. The permit does not close until the job passes all inspections.
We specify PGT, CGI, and ECO Window Systems for impact sliding glass doors in Lake Park, selected by performance tier and price range rather than inventory. For Intracoastal-facing homes, we typically recommend marine-grade hardware options from ECO Window Systems or Mr-Glass to resist salt-air corrosion. The specific brand is confirmed during the measured survey and written into the quote.
Yes, typically by a measurable amount. Replacing a single-pane aluminum slider with an impact-rated unit featuring low-E coating and argon fill reduces solar heat gain and air infiltration. In Lake Park’s climate, where cooling loads run high eight months of the year, the improved U-factor and SHGC ratings translate to lower runtime on your AC. The exact savings depend on the existing unit’s condition, the home’s orientation, and the specific glass package selected. Call (561) 354-3861 to review the performance specs in writing during your free estimate.
Written by Sonia Raman, Owner at Sightline Windows & Doors, serving Lake Park under the Haven Standard since 2012.










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