Free in-home measure and quote - PGT, CGI and CWS impact lines compared on your actual openings, style by style
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Before
AfterFast, Reliable Sliding & Patio Doors Across Three Lakes
Sliding and patio door replacement in Three Lakes, FL must meet Miami-Dade County’s High Velocity Hurricane Zone standards, with impact-rated units carrying a valid Notice of Acceptance running $2,800-$6,500 installed depending on size and rating level. Our crews serve Three Lakes from the brand’s Miami office, and we typically schedule measured surveys within two business days for homeowners in the 33186 and 33196 zip codes. Call (786) 321-3319 to book your free estimate - the written price you receive is the same document that governs the installation, with no change orders added later.
We’ve worked on enough Three Lakes homes to know the pattern: a 1978 CBS ranch off SW 56th Street, original single-pane aluminum slider, corroded track, and an insurance underwriter who wants proof of impact-rated replacement before renewal. That’s not a sales pitch. It’s the actual condition of the housing stock here, built during Miami-Dade’s southward expansion toward the Everglades, and it’s why every quote we write for Three Lakes addresses the NOA requirement upfront.
Why Sightline Windows & Doors Kendall Is Three Lakes’s Preferred Sliding & Patio Doors Company
Our Sliding & Patio Doors team has completed hundreds of installations across Miami-Dade’s southern tier, and Three Lakes represents a distinct subset of that work. The concentration of pre-1992 concrete block homes with original aluminum sliders means most of our calls here are simultaneous code upgrades, storm-hardening projects, and insurance compliance jobs. We don’t treat that as an upsell opportunity. We treat it as the baseline for how the estimate is structured.
Three Lakes customers find us through three-star reviews left by neighbors who specifically mention the documentation they received: the measured survey they kept, the written scope with line-item pricing, and the photo record showing before, during, and after. Our 365-Day Done Right Promise, written into the Haven Standard since 2012, applies to every opening. If it’s not done right, we make it right. No verbal assurances. A stamped clause on the contract.
Calls are answered by a live person, 24/7. Our technicians are background-checked, uniformed, and identified by license number before they arrive at your Three Lakes home. Scheduling is coordinated from our Miami office, with crews dispatched locally to Three Lakes. The person at your door is the person on the record - Haven Clause 3, Verified Crews.
Our Sliding & Patio Doors Services in Three Lakes
Patio Doors
Standard patio door replacement in Three Lakes starts around $2,200 for a non-impact vinyl unit, but most homeowners we meet need the impact-rated upgrade. The original openings in 1970s-1980s CBS construction are masonry-set aluminum frames that require Miami-Dade-approved buck framing and specialized anchor patterns. We measure the rough opening, document the existing frame condition, and specify whether the buck can be preserved or must be replaced. The written quote includes this determination so there’s no discovery charge later.
Impact Sliding Glass Doors
This is the bulk of our Three Lakes work. Impact sliding glass doors run $3,200-$5,800 for typical 6-foot and 8-foot openings, with large-format multi-panel systems reaching $8,500+. Every unit we specify carries a current Miami-Dade County NOA - not just a Florida Product Approval, which is insufficient for HVHZ compliance. We stock PGT and CGI impact-rated sliding systems with documented large-missile and small-missile ratings, specified by what the opening requires rather than what is in stock. The NOA paperwork we file with your final inspection becomes part of your wind mitigation documentation.
Sliding Glass Door Replacement
Replacement of existing sliders in Three Lakes homes presents a specific challenge: the original aluminum frames are often corroded into the masonry track from decades of Everglades-adjacent humidity. On a recent job near SW 120th Street, we removed a 1982 slider whose bottom track had fused to the concrete sill, requiring diamond-blade cutting to preserve the structural opening. The replacement CGI impact unit went in on a new stainless-steel threshold pan with marine-grade sealant. We document this process photographically and include the images in your project record. Typical replacement cost: $2,800-$4,500 for standard sizes.
Impact French Patio Doors
Impact French patio doors in Three Lakes range from $4,200-$7,500 depending on panel width, hardware grade, and whether sidelites are included. These units are particularly sensitive to NOA compliance because the hinge-side jamb must resist positive and negative wind pressure across a wider surface than a sliding system. We specify ViewLux and Therma-Tru impact-rated French door systems with HVHZ-approved hardware sets, and we engineer the anchor pattern to the specific masonry or frame condition we find during measured survey. The quote includes this engineering; it is not an add-on.
Screen Door Installation
Screen doors for Three Lakes patios run $380-$720 for standard sliding screen panels, with retractable screen systems at $1,200-$1,800. We match the screen frame to your impact door’s finish and specify corrosion-resistant hardware given the local humidity conditions. Every screen installation includes alignment adjustment and track lubrication as part of the base scope.
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.
Before
AfterTrusted Brands We Service in Three Lakes
We draw from eight verified manufacturer lines - PGT, CGI, CWS, ES Windows, ECO Window Systems, Mr-Glass, Therma-Tru, and ViewLux - specified by performance tier and price range, not by margin. For Three Lakes’s HVHZ requirements, we most frequently stock PGT and CGI impact-rated sliding systems with current NOA documentation, plus ViewLux French door units for larger openings. Our Miami warehouse maintains local inventory of common Three Lakes sizes, which means typical lead times run 2-3 weeks rather than the 6-8 weeks common with special-order out-of-area suppliers. We do not install products we cannot document. Haven Clause 5: No surprises.
Common Sliding & Patio Doors Problems We See in Three Lakes Homes
- Corroded aluminum tracks in original 1970s-1980s sliders. The Everglades-adjacent humidity in Three Lakes accelerates galvanic corrosion where the aluminum frame meets the concrete sill. The door still slides, barely, but the weatherseal is gone and wind-driven rain penetrates directly to the interior slab. We see this on almost every pre-1992 CBS home we survey.
- Failed perimeter sealant and threshold pans. Year-round high relative humidity degrades sealant adhesion faster than in drier inland Florida markets. The result is visible at the jamb: cracked caulk, stained drywall, and in advanced cases, mold-resistant remediation. Our replacements use marine-grade sealants rated for continuous moisture exposure.
- Non-compliant replacement sliders installed by out-of-area crews. A Florida Product Approval is not a Miami-Dade NOA. We’ve removed perfectly functional sliding doors that failed plan review because the model number was never HVHZ-approved. The homeowner paid twice. Our quotes include the NOA number and approval date before any work starts.
- Insurance-mandated upgrades with no documentation trail. Underwriters writing or renewing policies on Three Lakes homes built before August 1992 increasingly require proof of impact-rated openings. A new door with no inspection record, no NOA paperwork, and no photo documentation does not satisfy this requirement. We file the full package with the county and provide copies to you and your agent.
Pricing for Sliding & Patio Doors in Three Lakes, FL
These are actual installed price ranges for Three Lakes’s market, based on 2024-2025 measured surveys. Every quote is written, line-itemed, and fixed before work begins.
| Service | Typical Range | Notes |
|---|---|---|
| Standard patio door (non-impact vinyl) | $2,200-$3,400 | Rarely specified in HVHZ; limited to interior applications |
| Impact sliding glass door (6-8 ft) | $3,200-$5,800 | PGT or CGI, NOA documented, standard hardware |
| Large-format impact slider (10-12 ft, multi-panel) | $6,200-$8,500+ | Engineered anchor pattern, possible header reinforcement |
| Sliding glass door replacement (standard opening) | $2,800-$4,500 | Includes track removal, buck repair, marine sealant |
| Impact French patio doors | $4,200-$7,500 | ViewLux or Therma-Tru, HVHZ hardware, sidelite options |
| Screen door (sliding panel) | $380-$720 | Corrosion-resistant frame, matched finish |
| Retractable screen system | $1,200-$1,800 | Housing and track integrated to door frame |
What moves a quote within these ranges: opening size, existing frame condition (corroded tracks add $400-$800 for remediation), header reinforcement needs, and hardware grade. We do not quote low and change-order high. The measured survey you keep and the written quote are the same document - this has been Haven Clause 1 since 2012. Free estimates. Free second opinion on any competitor’s written quote. Call (786) 321-3319.
We Also Serve Cities Near Three Lakes
Our crews work throughout Miami-Dade’s southern corridor. If you’re in Three Lakes or nearby - Kendall, The Crossings, Pinecrest, or Palmetto Estates - the same HVHZ requirements apply, and the same documentation standards govern every job. Scheduling is coordinated from our Miami office with local dispatch to your area.
Serving Three Lakes, FL - Our Local Coverage Area
We’re based in the Three Lakes 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 Three Lakes
Yes. Three Lakes sits within Miami-Dade County’s High Velocity Hurricane Zone, so every exterior sliding or patio door must carry a current Miami-Dade County Notice of Acceptance. A Florida Product Approval alone is not sufficient. We list the NOA number and approval date on every quote before work starts, and we file the documentation with your final inspection. Call (786) 321-3319 for an exact quote - estimates are free.
Most Three Lakes insurers offer wind mitigation credits for documented impact-rated openings, and the discount often exceeds the cost difference between impact and non-impact doors over a 5-7 year horizon. The key is documentation: the NOA, the passed inspection, and the photo record. We provide all three as standard, not as an upsell. Call (786) 321-3319 to review how this applies to your specific policy.
Usually yes, but the existing buck frame and track condition determine whether remediation or full replacement is required. On a 1978 CBS ranch off SW 56th Street near the Everglades buffer, our crew pulled an original single-pane aluminum slider whose track had corroded into the masonry and replaced it with a PGT impact-rated glazing unit on a specially anchored buck frame. The homeowner’s underwriter had flagged the aging opening, and the NOA paperwork we filed with the final inspection cleared the wind mitigation requirement without a second visit. Call (786) 321-3319 to schedule a measured survey of your specific opening.
A large-missile rating (ASTM E1996, Level D or E) means the glazing and frame assembly has been tested against a 9-pound 2×4 lumber missile fired at 50 feet per second, simulating wind-borne debris in a major hurricane. A standard impact rating may refer only to small-missile testing (Level A), which uses steel ball bearings and represents lesser debris. For Three Lakes’s HVHZ, large-missile rating is typically required for doors on structures over 30 feet tall or within specified distances from the coast. We specify the correct rating for your home’s exposure and height during measured survey. Call (786) 321-3319 for specifics on your property.
Three Lakes’s position adjacent to Everglades wetlands produces near-constant high relative humidity that accelerates galvanic corrosion on aluminum frames, degrades door thresholds, and causes perimeter sealants to fail faster than in drier inland Florida markets. We’ve replaced sliders in Three Lakes that were functionally intact but structurally compromised by track corrosion you couldn’t see until the unit was removed. Our replacements use marine-grade sealants and stainless-steel threshold components specified for continuous moisture exposure. Call (786) 321-3319 to assess your current door’s condition.
Ready to move forward? Call (786) 321-3319 to schedule your free measured survey. You’ll receive a written, line-item quote before any work starts, and that document will not change. Every installation is backed by our 365-Day Done Right Promise and leaves a documented photo record. Sonia Raman and the team at Sightline Windows & Doors Kendall serve Three Lakes under the Haven Standard that has governed every one of our 18,000+ installations since 2012.
Written by Sonia Raman, Owner at Sightline Windows & Doors Kendall, independently owned and operated under the Haven Standard since 2012.