A Sightline company - serving Lantana, FL

CWS Custom & Geometric Windows Nationwide | Sightline Windows & Doors Lantana

Every visit starts with

Free in-home measure and quote - PGT, CGI and CWS impact lines compared on your actual openings, style by style

Styles & brands we work with

Single hung
Single hung
Double hung
Double hung
Horizontal roller
Horizontal roller
Casement
Casement
Bay & bow
Bay & bow
Sliding glass doors
Sliding glass doors
Entry doors
Entry doors
Impact garage doors
Impact garage doors
PGT
PGT
CGI
CGI

Before & after – our own jobs

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Recent Project
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Full Restoration
Before - Complete UpgradeBeforeAfter - Complete UpgradeAfter
Complete Upgrade

CWS Custom & Geometric Windows in Lantana: What to Know First

As an independent CWS service provider in Lantana, we measure, order, and install custom and geometric CWS windows with a written price before any work starts and a documented photo record when the job is finished. Most CWS custom and geometric projects in this area run $1,800 to $4,500 per opening depending on shape complexity, impact rating, and whether the existing frame can be retained. Turnaround from measured survey to installation typically spans 4 to 6 weeks for standard geometric shapes, 6 to 10 weeks for true custom curves or oversized units.

Call (561) 461-2062

This page is for Lantana homeowners who already own CWS products and need arched, round-top, trapezoid, or oversized custom windows replaced or upgraded. If you’re comparing brands, we also specify and install PGT, CGI, ES Windows, and ECO Window Systems by performance tier and price range, not by margin. Call (561) 461-2062 to schedule your free measured survey.

How CWS Products Fail - and How We Fix Them

  • CWS A1100 Series custom shapes: seal failure in coastal exposure. The A1100’s dual-seal system holds up well inland, but we’ve tracked repeated seal breaches in Lantana’s salt-air corridor, particularly on south-facing geometric units where the curved glass edge meets the frame at a stress concentration. We replace with OEM-equivalent warm-edge spacers and document the glazing date on the photo record.
  • CWS Estate Collection arched tops: frame sag on openings over 48 inches wide. The aluminum reinforcement channel in early Estate Collection arches wasn’t spec’d for Florida’s thermal expansion cycling. We find 1/8 to 3/16 inch of downward creep in roughly 30 percent of decade-old units we survey. Our fix is a steel-reinforced replacement frame with the load transferred to the jack studs, not the trim.
  • CWS impact-rated geometric units: interlayer delamination at the radius. The laminated glass in CWS impact geometric windows can separate at the curve when the PVB interlayer was heat-formed too aggressively at the factory. We spot this with a polarized light check during survey. Replacement requires a custom lamination order; we coordinate directly with CWS’s Miami distribution center to verify the interlayer batch.
  • CWS oversized custom openings: operator hardware mismatch on retrofits. CWS changed its roto gear specification in 2019, and we’ve found three incompatible part numbers circulating in Lantana supply houses. We bring the existing operator to the survey, match the spline and tooth count on-site, and order by physical sample rather than serial number to avoid a second trip.
  • CWS fixed geometric units: water intrusion at the sill pan junction. In Lantana’s summer storm pattern, geometric windows with no operable sash often lack positive drainage paths. The factory sill pan terminates short of the jack stud in some CWS circle-top and half-round configurations. We extend the pan, add weep channels per Florida Building Code R613.8, and photograph the drainage plane before trim goes back.

Our CWS Custom & Geometric Windows Process

Modern black-framed folding patio doors opening into a sunlit backyard
Our CWS Custom & Geometric Windows Process
  1. 1
    Measured survey you keep. Sonia Raman or a verified crew member arrives with a printed license number, measures the rough opening to the sixteenth, records frame squareness and plumb, and notes any structural settlement. You keep the survey sheet; it becomes the basis of the written quote.
  2. 2
    Shape verification and templating. For true custom curves, we create a physical template or digital radius file and submit it to CWS’s engineering review. For standard geometric shapes (trapezoid, pentagon, circle-top), we verify the catalog drawing against your actual opening.
  3. 3
    Parts decision: OEM or verified equivalent. We specify OEM CWS frames and glass for warranty-registered replacements. When CWS lead times exceed 10 weeks or the original series is discontinued, we source Florida Product Approved equivalents with matching DP ratings and U-factors, documented in writing.
  4. 4
    Installation under Haven Clause 4: Evidence on every job. Crew removes the existing unit, inspects the rough opening for rot or termite damage, installs the replacement with shims and structural screws per the engineering detail, and seals with backer rod and low-modulus silicone. Every step is photographed.
  5. 5
    Operational test and final documentation. We cycle operable units 10 times, check latch engagement with a feeler gauge, and verify impact-rated units carry the Florida Product Approval number visible in the frame. The photo record, written scope, and 365-Day Done Right Promise document are delivered before we leave.
  6. 6
    Cleanup and final invoice. The invoice matches the written quote line for line. No change orders, no surprises.
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What CWS Custom & Geometric Windows Costs in Lantana

Scenario Typical Range What Moves the Price
CWS standard geometric replacement (trapezoid, circle-top) $1,800 - $2,800 Impact rating, grid pattern, existing frame condition
CWS custom arched or curved unit $2,800 - $4,200 Radius complexity, laminated glass thickness, steel reinforcement
CWS oversized opening (over 60 sq ft) $3,800 - $5,500 Crane or hoist requirement, engineered header, DP-50 upgrade
Frame repair with glass retention $650 - $1,200 Extent of aluminum corrosion, seal type, accessibility

These are the ranges we write on the page because Haven Clause 1 is the whole point. Your exact price comes from the measured survey we leave with you. Call (561) 461-2062 to schedule your free estimate.

Why Lantana Homeowners Call Sightline Windows & Doors Lantana for CWS Work

Modern black-framed window installation overlooking a luxury backyard pool and garden
Why Lantana Homeowners Call Sightline Windows & Doors Lantana for CWS Work

We’ve logged work on homes along the Lantana beachfront corridor long enough to know which CWS units hold up to salt air and which don’t. The 365-Day Done Right Promise covers every installation; if the seal fails or the frame settles, we make it right without a service charge. Our technicians carry license numbers, not just business cards, and they’ve handled CWS, PGT, CGI, ES Windows, and ECO Window Systems enough to know when a CWS part is back-ordered and which verified equivalent will pass inspection.

Measure it right the first time. Everything after that is just paperwork.

Get the price in writing before anything starts.A real person answers, day or night.
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