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 Three Lakes
Window Replacement in Three Lakes typically runs $1,200-$2,800 per opening for standard single-hung or horizontal roller units, with full-home projects on 1970s-1980s ranch homes commonly ranging $18,000-$45,000 depending on framing condition and code-triggered upgrades. Every job in Three Lakes must use Miami-Dade NOA-certified products under HVHZ rules, and permits route through county inspectors who enforce those standards strictly. Call (786) 321-9118 to schedule your measured survey and written estimate.
We serve Three Lakes from our Miami-area dispatch office, and our crews know the unincorporated permitting path that trips up contractors accustomed to city offices. The ranch homes off SW 130th Avenue and SW 97th Avenue, the neighborhoods near Three Lakes Park, and the corridors along Bird Road and Miller Drive - we’ve measured, permitted, and installed impact glazing through all of them. That local routing knowledge matters because Three Lakes doesn’t have its own building department; every permit hits Miami-Dade County’s HVHZ desk, and the inspector expects the NOA number on the application before rough-in, not after.
Why Sightline Windows & Doors Tamiami Is Three Lakes’s Preferred Impact Windows & Doors Company
Our Impact Windows & Doors team has completed installations across southern Miami-Dade since 2012, and the 18,000+ openings in our record include hundreds of Three Lakes ranch homes with the same jalousie-to-impact conversion scope we see weekly. Homeowners here find us through three-star review deep-dives - the kind that mention whether the crew showed up uniformed, whether the written price held, and whether the photo documentation arrived. Those details matter to buyers who purchased between 2015 and 2025 and research every contractor before making contact.
Response time to Three Lakes runs same-day or next-day for measured surveys, with permits typically submitted within 48 hours of contract signing. We know the county routing: which Miami-Dade inspector covers the Three Lakes tract, what NOA documentation they flag, and how to schedule rough-in without the delays that stall out-of-area contractors. Our technicians are background-checked, uniformed, and identified by license number before arrival - Haven Clause 3, Verified Crews. The person at your door matches the person on the record.
Our 365-Day Done Right Promise applies to every Three Lakes job, written into the Haven Standard, not offered as a courtesy. If it’s not done right, we make it right. The proof is the documented photo record you receive at completion, the written scope you approved, and the measured survey you kept from day one.
Our Impact Windows & Doors Services in Three Lakes

Impact-Resistant Windows
Impact-resistant windows in Three Lakes aren’t optional - the HVHZ designation makes large-missile-rated glazing mandatory on every replacement. We specify products from ECO Window Systems and Mr-Glass by performance tier and price range, not by margin. A typical Three Lakes opening runs $1,200-$2,200 for vinyl-framed impact single-hung units, with aluminum-clad options from ViewLux running $1,800-$2,800. The price moves when we open the wall and find what 1970s construction left behind.

Hurricane Impact Windows
Hurricane impact windows for Three Lakes homes must carry the Miami-Dade NOA certification specific to this county - not Florida Product Approval, not Broward’s equivalent. Hurricane Andrew’s direct path through southern Miami-Dade in 1992 shaped these rules, and the 1970s-1980s ranch homes that survived still carry original non-impact aluminum or jalousie windows that are flatly non-compliant. We handle the NOA verification, permit submission, and inspector coordination as standard scope, not an add-on. Every hurricane impact window we install in Three Lakes ships with the NOA number documented on the permit application before rough-in.

Single Hung Impact Windows
Single hung impact windows are the workhorse replacement for Three Lakes’s original aluminum sliders and jalousie openings. The fixed upper sash and operable lower sash match the sightlines of ranch architecture without the maintenance burden of louvers. In Three Lakes, we regularly see spring failures and sash drift on original units caused by decades of Biscayne Bay salt air corrosion. Our single hung impact replacements from PGT and CGI include new construction frames with integral nailing fins, which matters because the old aluminum frames are often too corroded to accept a retrofit insert without sistering or full replacement.

Double Hung Impact Windows
Double hung impact windows suit Three Lakes homeowners who want operable upper and lower sashes for cleaning and ventilation. The price premium over single hung runs roughly 15-20% per opening, typically $1,400-$2,600 in this market. Both sashes tilt in for cleaning, a practical feature for homes with exterior plantings or limited yard access. We specify double hung units from CWS and ES Windows with stainless steel balance systems rated for coastal humidity, because standard zinc-coated hardware fails prematurely in Three Lakes’s salt-air environment.

Horizontal Roller & Sliding Impact Windows
Horizontal roller impact windows preserve the wide sightlines that make Three Lakes’s ranch living rooms feel open to the backyard. These units glide on stainless steel rollers within a vinyl or aluminum frame, with impact-rated laminated glass that meets HVHZ large-missile standards. Typical pricing runs $1,600-$3,200 per opening depending on frame material and glass package. We often pair these with new sliding patio doors from the same manufacturer line for consistent sightlines and hardware finishes.

Vinyl Impact Windows
Vinyl impact windows dominate Three Lakes’s replacement market for their corrosion resistance and thermal performance. Unlike aluminum, vinyl doesn’t react to salt air, and multi-chamber frames achieve U-factors below 0.30 with low-SHGC glass packages suited to Miami-Dade’s cooling-dominated climate. ECO Window Systems and Mr-Glass both offer vinyl impact lines we specify for Three Lakes’s humidity and UV exposure. Typical installed pricing: $1,200-$2,200 per opening for standard sizes, with geometric and custom shapes running higher.

Wind Mitigation & HVHZ Code Compliance
Wind mitigation and HVHZ code compliance is where Three Lakes jobs separate from standard replacements. Every permit triggers Miami-Dade County’s HVHZ inspection protocol: large-missile impact rating, proper fastening schedule, continuous load path to foundation, and egress compliance on bedrooms. We document the existing conditions during our measured survey, identify code-upgrade triggers, and write allowances into the contract before demolition begins. This is the single biggest reason a Three Lakes quote moves - and the single biggest protection against surprise costs.

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 Three Lakes
We draw from eight verified manufacturer lines for Impact Windows & Doors in Three Lakes: PGT, CGI, CWS, ES Windows, ECO Window Systems, Mr-Glass, Therma-Tru, and ViewLux. For this market, we most often specify ECO Window Systems and Mr-Glass vinyl impact lines for their salt-air durability, ViewLux aluminum-clad options where architectural review requires thinner frames, and Therma-Tru impact-rated entry door systems for full-opening replacements. We don’t stock inventory - we specify by what the opening requires, then order through verified distribution with typical lead times of 2-4 weeks. Local parts availability for hardware and glass replacement means warranty service doesn’t wait on cross-country shipping.
Common Impact Windows & Doors Problems We See in Three Lakes Homes

- Corroded jalousie frames that won’t accept new impact units. The original aluminum frames in Three Lakes’s 1970s-1980s ranch homes are often so corroded from Biscayne Bay salt air that the new impact window’s jamb and sash won’t seal without sistering or replacing framing entirely. We price this as an allowance before demolition, then document and get written approval before proceeding.
- Failed waterproofing behind original walls. The 1970s-80s ranch construction in Three Lakes typically used a single layer of felt with no pan flashing or sill seal behind jalousie windows. A straight impact window swap without new flashing and a drainage path leads to leaks at the sill within one rainy season. We include new pan flashing and sill seal as standard scope, not an upsell.
- Outdated wiring and undersized headers exposed during opening. Opening a wall for impact-rated glazing routinely exposes knob-and-tube or ungrounded circuits, no header straps, and headers sized for the original lightweight jalousie load rather than today’s impact glass weight. Once Miami-Dade County pulls the permit, the inspector enforces current HVHZ framing and egress rules. We build these upgrade allowances into every Three Lakes contract.
- NOA compliance gaps that stall permitting. Contractors who work primarily in Broward or Palm Beach sometimes submit Florida Product Approval numbers instead of Miami-Dade-specific NOA certifications. Three Lakes permits fail at plan review when this happens. We verify NOA numbers against the current Miami-Dade approved-products list before contract signing, and we list them on the permit application before submission.
Pricing for Impact Windows & Doors in Three Lakes, FL
| Service | Typical Range in Three Lakes |
|---|---|
| Single hung impact window (standard opening) | $1,200 - $2,200 |
| Double hung impact window | $1,400 - $2,600 |
| Horizontal roller impact window | $1,600 - $3,200 |
| Sliding glass impact door (standard 6′) | $2,800 - $5,500 |
| Impact entry door with frame | $3,200 - $6,800 |
| Full-home replacement (12-20 openings, typical ranch) | $18,000 - $45,000 |
| Framing repair/sistering (per opening, allowance) | $400 - $1,200 |
| Header upgrade to HVHZ current code | $800 - $2,500 |
| Electrical relocation (per opening, if triggered) | $350 - $900 |
What moves the price in Three Lakes: framing condition behind existing windows, code-triggered upgrades once walls are open, and the specific NOA-certified product tier selected. We don’t quote by square foot - we measure every opening, document existing conditions, and deliver a written line-item price before any work starts. Haven Clause 1: the measurement and the quote are the same document. Bring us a competitor’s written estimate and we’ll review it at no charge - our Free Second Opinion policy.
Call (786) 321-9118 for your measured survey and written estimate. Estimates are free, and the price we write is the price you pay.
We Also Serve Cities Near Three Lakes

Our crews work throughout southern Miami-Dade, including Three Lakes neighbors in Tamiami, University Park, Westchester, and Olympia Heights. Each shares Miami-Dade’s HVHZ requirements and county-level permitting, though framing conditions and housing stock vary by tract. We carry the same measured-survey process, written pricing, and documented photo record to every job in the service 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 - Impact Windows & Doors in Three Lakes

Three Lakes sits in Miami-Dade County’s High Velocity Hurricane Zone, where the county’s unique Notice of Acceptance (NOA) product-approval system requires every replacement window and door to carry a Miami-Dade-specific certification. Broward County, directly north, operates under different product-approval rules - a window that passes there may lack the NOA number Miami-Dade inspectors require. We verify NOA compliance against the current county list before quoting. Call (786) 321-9118 and we’ll check your product specification against Miami-Dade’s approved-products database at no charge.
On a 1979 ranch off SW 130th Avenue in Three Lakes, our crew opened a wall to replace original jalousie windows with PGT impact units and found corroded aluminum framing, undersized lintels, and no continuous pan flashing behind the louvers. We documented the framing and waterproofing gaps, wrote them into the contract as allowances before demolition, and only after the homeowner approved the written change order did we sister the jambs, install new pan flashing, and set the NOA-listed impact windows. The punch list passed Miami-Dade inspection on the first rough-in because the NOA numbers were on the application and the jamb repairs matched the opening schedule. This is standard procedure for every Three Lakes job we take.
Because Three Lakes is unincorporated, all permits flow through Miami-Dade County’s building department rather than any city office, and inspectors enforce HVHZ rules strictly - a jalousie-to-impact replacement that passes in Broward or Monroe can fail here if the specific NOA number isn’t listed on the permit application before the rough-in inspection. Once the permit is active, any framing, electrical, or egress deficiency exposed during demolition becomes a code-mandated upgrade, not an option. We price these as contract allowances before work begins, with written approval required before any change order executes. The permit itself doesn’t move the price; surprises without allowances do. Call (786) 321-9118 for a written estimate with allowances built in.
Yes, full impact window and door coverage typically qualifies for the largest wind-mitigation premium discounts available in Florida, often 40-50% of the wind portion of your homeowner’s premium. The key is documentation: your insurer needs proof that every opening is protected with HVHZ-compliant, NOA-listed products installed to current code. We provide the product approval documentation, permit completion certificate, and photo record that most carriers require. Call (786) 321-9118 and we’ll review your current policy’s wind mitigation credits against what a full replacement would qualify for.
Every Three Lakes bid should list: the specific Miami-Dade NOA number for each product; design pressure (DP) rating matching your home’s exposure; U-factor and SHGC for energy compliance; frame material and finish; glazing make-up (laminated thickness, interlayer type); and fastening schedule for HVHZ attachment. We include all of these on our written quotes, with manufacturer cut sheets available on request. Bids that only say “impact-rated” without NOA numbers or DP ratings are incomplete for this market. Call (786) 321-9118 for a fully specified written estimate.
Ready to replace your windows and doors? Call (786) 321-9118 to schedule your free measured survey. We’ll arrive with a license-identified, background-checked, uniformed technician, measure every opening, document existing conditions, and leave you with a written price that won’t change unless you approve a written change order. That’s Haven Clause 1. That’s how we’ve operated since 2012.
Written by Sonia Raman, Owner at Sightline Windows & Doors Tamiami, serving Three Lakes since 2012 under the Haven Standard.










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