New windows and doors improve comfort, cut energy bills and add long-term value to your home. Sightline Windows & Doors North Miami pairs proven product lines with our own installing crews for lasting performance - and a price we put in writing.
1. Choose your installer
The unit is half the job - the install is the other half. Our own background-checked crews measure, set, seal and insulate every opening, and they know the lines we quote inside and out because they install them every week.
2. Select the right products
Compare styles, materials and glass packages side by side until the fit is right for your rooms, your budget and your goals. The product-line comparison below is the place to start.
3. Prepare your home for install
Before install day we walk you through a short checklist - furniture pulled back, treatments down, a clear path to each opening - so install day is watch-it-happen, not scramble.
Compare the Lines We Quote
Every project is priced on the same lines, side by side - the price indicators below are relative, and your consultant shows exact numbers on your actual openings.
PGTThe line Florida homeowners arrive naming - the most Miami-Dade certifications in the industry$$$
- More Miami-Dade NOA certifications than any other line we quote
- WinGuard, EnergyVue and ClassicVue Max systems built for every wind zone
- 99% on-time delivery keeps your install date on the calendar
CGIThe heavyweight impact line$$$$$
- Large-missile impact ratings for the strictest wind zones
- Architectural-grade aluminum with commercial-depth frames
- The line we quote when protection is the whole point
CWSThe Florida value pick$$
- Vinyl systems built in Florida for Florida codes
- Strong energy packages at the friendliest price point
- The smart start for whole-home replacements on a budget
ESWSlim lines, big glass$$$$
- Narrow-sightline aluminum for modern elevations
- Oversized openings and floor-to-ceiling glass
- Impact-rated without the bunker look
ECOThe aluminum impact workhorse$$$
- Miami-built aluminum impact systems
- A strong price-to-protection ratio for coastal homes
- Proven inventory lines with short lead times
CWS Sliding & Patio Doors: The North Miami Owner’s Guide
We stock and install CWS-compatible sliding and patio door systems in North Miami, with typical installed prices ranging from $1,800 to $4,200 depending on frame material, impact rating, and opening size. Most CWS hardware, roller, and track replacements run $340 to $780 installed, and we carry common CWS roller assemblies and tandem roller sets on every truck. If your sliding panel is sticking, grinding, or has dropped from its track, the cause is usually a failed roller, bent track, or worn weatherstrip - all of which we can diagnose on-site and price in writing before any work starts.
North Miami homeowners with CWS doors usually notice the problem during hurricane season, when they’re opening and closing panels more frequently to secure shutters or move outdoor furniture inside. The humidity and salt air along the Biscayne corridor accelerate roller bearing corrosion, and the sandy soil common in older North Miami neighborhoods like Keystone Point can shift frames just enough to bind the track. We’ve replaced more CWS rollers in the 33181 ZIP code than any other single repair category.
Which CWS Models This Applies To

CWS produces several sliding and patio door series, and the parts are not interchangeable across lines. The most common we encounter in North Miami are the CWS 5500 Series (non-impact vinyl slider), CWS 6500 Series (impact-rated vinyl), and the CWS Aluminum 400 Series (thermally broken aluminum for commercial and high-end residential). Each uses a distinct roller pocket dimension, track profile, and weatherstrip groove.
To identify your model, check the etched code in the glass corner (usually the interior lower corner of the fixed panel) or the paper label inside the frame header, visible when the panel is fully open. The 5500 and 6500 rollers both use a 1-1/4 inch stainless steel tandem roller with a 17mm axle, but the 6500 impact version has a heavier-duty nylon wheel rated for the additional sash weight. The 400 Series aluminum uses a completely different bracket geometry - we’ve seen homeowners order 5500 rollers online and discover the mounting holes don’t align by a full half-inch.
We source OEM CWS rollers and tracks direct from the distributor in Medley, but we also stock quality aftermarket equivalents from Prime-Line and Slide-Ezzz that match CWS specs and carry the same one-year warranty. For impact-rated doors, we use only OEM or tested-equivalent hardware to maintain the DP rating. The measured survey we leave with you notes exactly which part number was installed, so if it ever fails again, there’s no guessing.
Before
AfterSigns Your CWS Sliding & Patio Doors Is Failing
- The panel sticks or requires shoulder weight to move. This usually means the roller bearings have seized with corrosion. In North Miami’s salt air, we’ve seen rollers fail in four to six years even on inland properties; homes within a mile of Biscayne Bay often need replacement at three to four years.
- You hear grinding or squealing when sliding the door. The roller wheels have flat-spotted or the axle is wearing through the bracket. Once you hear metal-on-metal, the track is being damaged too, and the repair cost jumps from a roller swap to roller-plus-track.
- The panel sits visibly lower on one side. One roller has collapsed or the adjustment screw has stripped. CWS rollers use a Phillips-head adjustment accessed through a hole in the frame bottom; if the screw just spins without lifting the panel, the internal thread is stripped and the roller body needs replacement.
- Daylight or water appears at the sill during rain. The weatherstrip fin seal has compressed or torn, or the track drainage weeps are clogged with debris. North Miami’s summer downpours will find any gap; we check the weep holes with a wire probe as standard practice.
- The lock tongue won’t engage or the handle spins freely. The mortise lock mechanism has worn or the handle spindle has sheared. CWS uses a specific 45-degree mortise faceplate on the 5500/6500 series that doesn’t match PGT or CGI dimensions - another compatibility gotcha we’ve seen from online part orders.
Replacement Cost & What’s Included

| Service | Typical Range in North Miami |
|---|---|
| CWS roller assembly replacement (single panel, both rollers) | $340 - $520 |
| CWS roller + track replacement (single panel) | $580 - $780 |
| CWS mortise lock and handle set | $280 - $440 |
| CWS weatherstrip replacement (perimeter) | $220 - $360 |
| Full CWS sliding door unit replacement (installed) | $1,800 - $4,200 |
What drives the range: frame material (vinyl vs. aluminum), impact rating (non-impact vs. HVHZ-rated), glass package (single-pane vs. laminated impact), and opening size (standard 6-foot slider vs. 12-foot multi-panel wall). Every quote we write in North Miami includes the measured survey you keep, the part numbers specified, labor, disposal of the old unit, and the 365-Day Done Right Promise under Haven Clause 5 - No surprises. The written price and the final invoice are the same document; we don’t write low and find problems later.
DIY or Call Us?
There is one safe owner check: remove the panel stop trim with a putty knife and verify the roller adjustment screw isn’t just backed all the way out. If a few clockwise turns lifts the panel and restores smooth travel, you’ve saved a service call.
Everything else carries risk. CWS panels weigh 80 to 140 pounds depending on glass package, and lifting a panel off its track without proper supports risks shattered glass, frame damage, or back injury. The roller pocket is narrow, and we’ve seen homeowners strip the adjustment screw trying to force a wrong-size driver. If the track is bent, it requires a specific rubber mallet technique and straightedge check - do it wrong and the panel will never roll true.
We carry CWS-compatible rollers, tracks, locks, and weatherstrip on every truck serving North Miami. Call (786) 706-0468 and we’ll schedule a measured survey. The price is written before any tool is lifted, and you’ll have the documented photo record when we’re done.
FAQs

In North Miami’s climate, expect three to six years on coastal properties and five to eight years farther inland. Salt air corrosion is the primary killer; we see more roller failures in homes east of Biscayne Boulevard than west of I-95. Call (786) 706-0468 for an exact quote on replacement - estimates are free.
No. Once the bearing is corroded or the wheel is flat-spotted, the roller body is a wear item and must be swapped. We don’t attempt rebuilds because the axle and bracket are pressed units, not serviceable. Call (786) 706-0468 for an exact quote - estimates are free.
Most single-panel roller swaps take 90 minutes to two hours on-site, including removal, installation, adjustment, and operation testing. Track replacement adds 30 to 45 minutes. We schedule a two-hour window and arrive within it - Haven Clause 2, Arrive on schedule. Call (786) 706-0468 to book.
We stock common CWS rollers, tracks, locks, and weatherstrip on every truck. Specialty sizes or discontinued series may require a next-day pull from the Medley distributor - we’ll tell you during the measured survey, with the lead time written on the quote. Call (786) 706-0468 to schedule.
Sightline Windows & Doors North Miami is an independent service provider and is not affiliated with CWS. We also stock parts for PGT, CGI, and ES Windows sliding and patio door systems.
Measure once, document everything, explain the rest in plain English. That’s how we handle every CWS repair in North Miami, from a single roller swap to a full unit replacement.
Written by Sonia Raman, Owner, Sightline Windows & Doors North Miami at Sightline Windows & Doors North Miami, serving North Miami and nearby areas.
Six Reasons Homeowners Choose Sightline Windows & Doors North Miami
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.
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