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4 Track Stacking Windows

Transform an Unused Porch or Deck into Your Favorite Space with 4 Track Stacking Windows

Description
Specifications
Installation
Pricing
FAQ

Description

4 Track Stacking Windows Turn Your Porch Into a Screen Room AND a Sunroom

The four-track frame design allows the sections to stack behind each other, permitting the maximum amount of ventilation. You can stack the window sections to the top, bottom, or anywhere between. And if it cools down or looks like rain, you simply expand the sections… now you’ve got a three-season porch!

Craft-Bilt’s Four Track Stacking Windows are ideal to screen-in and enclose your porch. Screened-in porch windows offer a multitude of benefits, enhancing the comfort, versatility, and enjoyment of your outdoor living space. By extending the usability of your porch, improving ventilation, protecting against insects and debris, and providing privacy, our stacking windows create a welcoming and functional area that can be appreciated year-round. Explore the various tint and frame colour options available to find the perfect screened-in porch windows that suit your style and needs, and start maximizing your outdoor living experience today.

What a great way to upgrade your existing porch or covered patio into a combination sunroom/screen room.

Heavy Gauge Construction

Our Grand Vista stacking windows feature maintenance-free aluminum and vinyl construction. High-quality moulded corner keys assure years of smooth, trouble-free operation.

4 Track Stacking windows are custom made to fit your openings. Matching doors and transom lites are available. Choose from four frame colours: White, Sand, Earthstone and Black. Choose from four vinyl colours: Clear, Bronze, Smokey Grey and Dark Grey. Click the Specifications tab above to see colour samples.

Unique Vinyl Glazing Withstands Impacts

You can jamb your fist right into our heavy gauge 10 mil vinyl glazing without ill effect. The space-age vinyl springs right back to its original position! Your safety is assured from flying objects like golf balls or children’s toys. Vinyl glazing reduces glare and solar heat gain and protects your furnishings from fading due to UV.

Craft-Bilt’s 4-Track Stacking Windows are recognized by different names, each emphasizing their adaptability for diverse outdoor living spaces. Regardless of the name used, they all represent the same innovative window system designed to enhance comfort and usability.

Discover the various names of Craft-Bilt’s 4-Track Stacking Windows and how all represent the same solution. Read our post: Different Names, Same Innovation: 4-Track Stacking Windows for Porch and Patio.

We manufacture and supply premium sunroom and porch windows, branded as our 4-Track Stacking Windows, available for delivery across Canada. Whether you’re starting from scratch or replacing old panels, our windows add beauty, comfort, and value to your home.

Ready to transform your space? Contact us today to learn more about our sunroom windows or visit our showroom in Ajax, Ontario.

Explore the Vista Alternative. If you are looking for a high-quality Vista Side-Sliding Glass Window for your porch and sunroom, visit our product page to see how these custom-made, single-glazed windows can transform your space into a comfortable 3-season retreat.

Specifications

4 Track Stacking Windows Specifications

Window framing made from sturdy, maintenance-free extruded aluminum
Frame colours: White, Sand, Earthstone, and Black
Window glazing: Super strong 10 mil Vinyl
Vinyl colours: Clear, Bronze, Smokey Grey, and Dark Grey
Up to 75% ventilation
Full height fiberglass screen
Minimum width 10 inches, maximum width 60 inches
Minimum height 40 inches, maximum height 96 inches
The mounting flange is 7/8” wide

Lip Frame Fixed Windows and Trapezoids Specifications

Craft-Bilt manufactures matching “Lip Frames” that allow you to close in small or angular openings. The 7/8″ mounting flange is designed to look exactly like the mounting flange on our 4 track windows, so your project will match from top to bottom!

Frame: Extruded Aluminum
Frame colours: White, Sand, Earthstone, and Black
Window glazing: Super strong 10 mil Vinyl
Vinyl colours: Clear, Bronze, Smokey Grey, and Dark Grey
Minimum 4 inches, maximum 108 inches *
The mounting flange is 7/8” wide
Used for knee walls, transoms, fixed windows, gables and triangular openings

* Refer to price tables for width/height combinations

Highlights of Craft-Bilt’s 1 ¾” Thick Entry Door:

Entry Door for 4-Track Stacking

Entry Door With 4 Track Stacking Windows

Massive 1¾” x 4¼” aluminum perimeter extrusion offers improved durability and insulation.
Quality Weather Stripping with adjustable Sweep. This keeps your sunroom and porch cozy and draft-free.
Available with tempered glass, 4-Track window insert, or screen only, it can be used in our Grand Vista Three Season Sunroom or as a stand-alone door.
Ready to Install: Includes a 7/8″ flange for easy setup. Matches our 4-track window flange.
Satin Hardware with lock & key: Adds a touch of style and security.
Frame Colors: Choose from White, Sand, Earthstone, or Black to match your décor.
Outswing and Inswing options.
Right Hand Hinge or Left Hand Hinge.
Optional Bumper Threshold.
Custom Sizes: Craft-Bilt Entry Doors can be customized in 1/8” increments, up to 40″ x 90″.
Available in French Door Style: Elevate your entry with elegance.
Order the same way you order your 4-track windows: Example: For a 36 ¼ ” x 80 ¼” RO (Rough Openning), order a door at 36” x 80” (Standard Door).

4-Track Stacking Window Frame Colour Options:

White, Sand, EarthStone, Black.

Stacking Windows Colours

4-Track Stacking Window Vinyl Tint Options:

Clear, Smoke Grey, Dark Grey, and Bronze Film.

Stacking Windows Vinyl Colours

Colours are approximate. If you choose your colour from this page, a PDF or a printed flyer, be prepared that the actual colour you receive may be slightly different. Selecting your colour from an actual sample is advised.

Installation

Measuring and Installation for Stacking Windows

Recommended deduction of ¼” from RO (rough opening) width & height
Measure RO in several places and make ¼” deduction from the narrowest point
Install from outside, fastening through the mounting flange
Screws provided
For mulling windows together, use a minimum 1¾” wide post, available from Craft-Bilt
Download Installation Instructions for Stacking Windows.

How to Frame for 4-Track Stacking Windows, using Aluminum Mullions

Learn how to properly frame an opening for 4-track stacking windows using Craft-Bilt’s 1.75″ x 1.75″ aluminum mullions. This quick guide covers installing the male and female mullion sections to create a clean, weather-tight track system for smooth-sliding panels. Perfect for sunroom, patio, or porch enclosure installers looking to get the frame prep right the first time.

Maintenance for Stacking Windows

Clean with warm soapy water and a sponge. Remove soapy water with a squeegee.
To keep your vinyl looking its best, clean it twice a year
Keep sill and sidetracks free of dirt & debris
Do not lubricate the side tracks
Contact us to obtain our warranty and care document.

Pricing

Get 20% Off 4-Track Stacking Windows – See Prices Below or Use 4-Track Stacking Window Cost Calculator.

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Stacking Vinyl Windows by Craft-Bilt

Pricing Matrix (CAD)

Effective May 1, 2026

HEIGHT (in)	WIDTH (inches)
	12	18	24	30	36	42	48	54	60
42	$595	$640	$683	$728	$771	$816	$867	$909	$954
48	$629	$672	$717	$760	$805	$848	$899	$941	$986
54	$664	$709	$755	$797	$843	$885	$938	$981	$1,026
60	$696	$741	$787	$829	$875	$917	$968	$1,013	$1,058
66	$728	$771	$816	$861	$906	$952	$1,002	$1,045	$1,090
72	$760	$803	$848	$893	$938	$981	$1,032	$1,077	$1,120
78	$797	$840	$885	$928	$973	$1,018	$1,072	$1,114	$1,160
84	$827	$872	$917	$960	$1,005	$1,048	$1,104	$1,146	$1,192
90	$861	$904	$949	$992	$1,037	$1,082	$1,136	$1,178	$1,224
96	$893	$936	$981	$1,024	$1,069	$1,114	$1,168	$1,210	$1,256

Notes & Specifications

All windows are custom made in 1/8" increments.
Minimum width 10", minimum height 40".
Frame colours: White, Sand, Earthstone, or Black.
Vinyl colours: Clear, Bronze, Smoke Grey, or Dark Grey.
Includes fiberglass screen 10 × 16 mesh.
Deduct 1/4" from RO.
All vents come standard with muntin bar.
Make size does not include the flanges.
Pricing includes 4-vent windows; inquire about 3-vent or other configurations.
Prices & specifications subject to change without notice.
Min. height of 44" required for 2 springs per vent.

Entry Door — Single

Stacking vinyl window infill (CAD)

Effective May 1, 2026

HEIGHT (in)	WIDTH (inches)
	24	26	28	30	32	34	36	38	40
76	$1,904	$1,941	$1,984	$1,997	$2,016	$2,056	$2,072	$2,106	$2,152
80	$1,938	$1,970	$2,010	$2,029	$2,045	$2,088	$2,104	$2,136	$2,178
83	$1,984	$2,021	$2,061	$2,080	$2,093	$2,133	$2,149	$2,186	$2,229
90	$2,090	$2,122	$2,168	$2,181	$2,194	$2,240	$2,256	$2,290	$2,333

Notes & Specifications

Includes 4-vent windows, fiberglass screen, and vertical muntin bar.
Width range: 24"–40". Height range: 76"–90".
Specify Left or Right Hand Hinge (LHH / RHH) and Inswing or Outswing — same price.
Handing is determined looking from the outside.
Also available with single pane glass infill or insulated glass infill — contact us for pricing.
Prices & specifications subject to change without notice.

Entry Door — French (Double)

Stacking vinyl window infill (CAD)

Effective May 1, 2026

HEIGHT (in)	WIDTH (inches)
	48	52	56	60	64	68	72	76	80
76	$3,973	$4,034	$4,114	$4,149	$4,189	$4,271	$4,306	$4,365	$4,444
80	$4,021	$4,079	$4,165	$4,199	$4,234	$4,319	$4,354	$4,410	$4,495
83	$4,114	$4,173	$4,263	$4,290	$4,333	$4,420	$4,447	$4,503	$4,594
90	$4,298	$4,354	$4,442	$4,474	$4,511	$4,599	$4,628	$4,684	$4,775

Notes & Specifications

Includes two same-width doors that meet to create one opening, fiberglass screen, vertical muntin bar, and astragal.
Width range: 48"–80" (combined opening). Height range: 76"–90".
Specify Inswing or Outswing — same price.
Also available with single pane glass infill or insulated glass infill — contact us for pricing.
Prices & specifications subject to change without notice.

Custom & Additional Options

Fixed Rectangular Transoms — vinyl-glazed fixed units, width 4"–108", height 4"–108", ordered to 1/8" precision.
Fixed Trapezoid-Shaped Units — vinyl-glazed, custom width and height, ordered to 1/8" precision.
Swing Door — Single Pane Glass Infill — same door sizes, single pane glass instead of 4-track stacking insert.
Swing Door — Insulated Glass Infill — same door sizes, insulated glass for improved thermal performance.
3-Vent Windows — available as an alternative to standard 4-vent configuration.
No-See-Um 20×20 mesh or Pet Screen 17×10 mesh upgrades available for windows and doors.
All units ordered to 1/8" precision. Frame colours: Black (BK), Desert Sand (SD), Earthstone (ES), White (WH). Vinyl glazing: Bronze (BZ), Clear (CL), Dark Gray (DG), Smoke Gray (GR).
Contact us at [email protected] or use the form on our Contact Us page for a custom quote.

Ask about our DIY discount.
Product prices and configuration are approx. Please contact us for more details.
* Not available in all markets.
Prices and configurations are subject to change without notice.
All purchases subject to our Terms and Conditions , your quote and our shipping terms.
Prices on this page do not include tax or shipping. Ask for quote.
This pricing tool is offered with no guarantee. Your written quote will have the exact price. You are responsible for the accuracy/completeness of the material list.
Craft-Bilt will not sell, trade or rent your personal information to others, refer to our privacy policy for more information. If you experience problems with this form, request information at [email protected]
Our products are high quality, but proper installation depends on your skills and attention to detail. If you're not confident in your construction abilities or knowledge of building codes, we recommend working with a local contractor. We can also connect you with experienced installers across Canada.

FAQ

Frequently Asked Questions

What is the 4-track stacking window?
There are four transparent panels, each with its own track. This allows all the panels to be slid behind each other, permitting nearly 75% screen area. So when the weather is nice and all you really want is a screen room, four-track stacking windows provide the most screen area. The four tracks allow the panels to be stacked all the way to the top, bottom or any combination you can imagine. The panels are glazed not with glass but with a tough vinyl film. This film can be wildly distorted and, in a few minutes, will return to its original shape. The panels stay where you put them because each one is spring-loaded. Sometimes, we are asked if 4-track windows are available with glass, but this is not possible. Glass is too heavy, and the weight would overcome the spring’s ability to hold the panels in place.

Can I use stacking windows on my existing porch or existing gazebo?
Yes! That is where many of our windows are used. If you have framed openings, then all you need to do is order your windows based on the deductions mentioned in the FAQ below. If your porch is held up with columns with no other framing, Craft-Bilt can build a 4-track wall system complete with 4-track windows like this:

4 Track Window Enclosure

Enclosed your Gazebo with 4 Track Stacking Windows-2

How do I measure for 4-track windows?
When ordering your windows, we require the “make size”; this is the size you need the window made so that it fits into the opening nicely. This usually means deducting 1/4 to 3/8 inches from your RO (rough opening). However, if the opening is not square, plumb or level, additional deductions should be made. Check the width and height in a few places, and take your 1/4 inch deduction from the narrowest result

What colours are available for 4 track windows?
4 Track Vinyl Windows by Craft-Bilt is available in White, Sand, Earthstone, and Black.

Stacking Windows Colours

The vinyl film is available in the following shades:

Stacking Windows Vinyl Colours

What is the warranty for 4-track stacking windows?

Craft-Bilt provides a 20-year limited warranty on the aluminum finish and 10 years on the vinyl film. Contact us for warranty details.

Can I install 4 track windows myself?
Absolutely, yes, 4-Track Windows are installed just like storm windows. There is a generous flange all around the perimeter that simply screws to your opening. Please download the installation instructions for 4-track windows for more information.

4 track stacking Windows Flange

Colour-matched screws are provided. Silicone sealant is available from Craft-Bilt, but you can supply it yourself if you like. Apply a bead of sealant underneath the flange before installing. The sealant should be close to the edge, particularly at screw locations, so that rain does not reach the holes made by the screws.

How do you replace the vinyl film in 4-track windows?
It is a simple matter to re-glaze your 4-track window panes. The film is rolled in just like the screen. We can ship replacement vinyl film across Canada. Sometimes, you can reuse the spline, but if it is damaged or worn, you can order that as well. While it is a simple matter to re-glaze your stacking window, you will find that the vinyl can be difficult to handle. Order extra vinyl so you have some material for practice and blunders. A hairdryer is handy to warm up the vinyl, making it easier to roll into the grooves. There may be some small wrinkles when you are done; waving the hairdryer over the area often takes care of them. There are 4-Track Stacking Windows instructional videos on the internet to help.

How do you clean 4-track windows?
Do not use chemicals or harsh cleaners to clean the vinyl film. Mild soap and water are recommended. Contact us for our 4-track warranty and care instruction document.

A short video about “How to Remove 4-Track Windows Vents and Clean the Vinyl Film.”

How long does the vinyl film last?
The industry-standard warranty on vinyl film is ten years. However, we have had stories of vinyl lasting well over 20 years. Contact us for our 4-track warranty details and maintenance.

Do you install 4-track stacking windows?
Craft-Bilt’s core business is contractor sales across Canada. Your inquiry will typically be forwarded to a local contractor who will supply and install your stacking windows or 4-track wall system.

Can I use 4 track windows in my sunroom?
Absolutely! You can order our industry-leading Grand Vista sunroom with glass or 4-track stacking vinyl windows.