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3-wide slider window topology diagram, showing 2 of 3 operable
slider

3-Wide, Sliders Flanking Picture

3-wide · 2 of 3 operable

Composition
3-wide
Lights
3 lights
Operation
slider
Operable
2 of 3 operable

Window vocabulary

A fixed centre picture light with an operable slider on each side.

Mullions divide the lights inside one window system.

Window System

90" × 42"
$2,022 installed, $1,385 supply only
108" × 46"
$2,358 installed, $1,588 supply only

* “Installed” includes professional installation; “supply only” is the product alone, without installation. Starting estimate for the lowest configuration in our lowest-cost service area — most quotes are higher. Not a quote. Before tax. Final price varies by configuration, region and options. Installation covers removing your old unit, professional fitting, and standard interior/exterior finishing. It excludes structural changes, permits, and non-standard site work. Save up to 35% when you replace the whole home — Maximum applies to a qualifying whole-home replacement with enough openings — not all orders qualify. Prices as of August 16, 2026.

Highlights

Product Highlights

Smooth Glide

Durable rollers ensure effortless horizontal operation with a simple fingertip push.

Space-Saving

Sashes glide within the frame, making them ideal for areas next to walkways or patios.

Easy Cleaning

Many models feature tilt-in or removable sashes for easy cleaning from inside your home.

Ease of Use

High-quality rollers and tracks mean your windows glide open and closed with minimal effort, year after year.

Ventilation Control

Easily adjust airflow by sliding the sash as much or as little as you want, with screens to keep bugs out.

Durability

100% uPVC vinyl frames and reinforced sashes are built to withstand Canadian freeze-thaw cycles without warping.

Cardinal Glass

Industry-leading Cardinal LoE-180, LoE-272, and LoE-366 glass options

Gas Fills

Argon gas standard; Krypton available for maximum efficiency

Warm-Edge Spacers

Super Spacer technology reduces condensation at glass edges

Available Upgrades

Make It Yours

This window ships with the standard package below — add any of these upgrades when you design and price.

Triple Glazing

Standard: Double-glazed sealed unit with Argon gas and LowE² (LoDz-272) coatings

Upgrade: Step up to triple-pane glazing with additional LowE coatings and Krypton fill for peak thermal and sound performance

Energy efficiency

Grilles & SDL

Standard: Clean, open glass with no grilles

Upgrade: Add colonial, prairie, or Simulated Divided Lite (SDL) grille patterns for a traditional look

Exterior Colours

Standard: Standard white finish

Upgrade: Choose from Gentek® & Kaycan® standard paint colours to match your home's exterior

View colours

Upgraded Hardware & Finish

Standard: Standard operating hardware in white

Upgrade: Upgrade to premium hardware finishes and handle styles that complement your interior

Acoustic Glass

Standard: Standard sealed glazing

Upgrade: Add laminated acoustic glass for enhanced sound reduction where offered

Included at no extra cost

Standard Features on This Window

  • White Color - Standard white finish included
  • Double-Glazed Unit - Sealed unit with Argon gas
  • LowE² Glazing - Two coats of LowE (LoDz-272)
  • Multi-Point Lock - Secure cam locks or auto-locks
  • Brass Rollers - High-durability rollers for smooth gliding
  • Mosquito Mesh - Half or full screen options included
  • Triple Weather Seals - High-performance pile weatherstripping
  • Jamb Extensions - Vinyl jamb extensions included
  • Brick Molding - Exterior molding for brick openings
  • Certified - NFRC and ENERGY STAR Certified
  • Cardinal Glass - Industry-leading Cardinal LoE-180, LoE-272, and LoE-366 glass options
  • Gas Fills - Argon gas standard; Krypton available for maximum efficiency
  • Warm-Edge Spacers - Super Spacer technology reduces condensation at glass edges
Performance Data

Technical Specifications

Frame Depth
3 1/4" (Standard) or 4 5/8" (with Brickmould)
Sash Thickness
1 3/8" welded sash
Glazing
Double (7/8") or Triple (1 3/8")
U-Factor
0.27 - 0.30 (Double) / 0.19 - 0.23 (Triple)
Air Infiltration
A3
Water Resistance
B3 - B4 (Depending on size)
Wind Load
C3 - C4 (Depending on size)
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