3G MAX SERIES 2018-05-14T13:05:23-08:00


3G MAX SERIES Ultra Energy Efficient TRIPLE Pane Window

Most Common Configurations

Horizontal Slider

Single Hung

XOX Horizontal Slider

Picture Window

Arch Window

Internal Grids Available

3/4 inch Flat Grid

1 inch Flat Grid

3/4 inch Sculptured Grid

1 inch Sculptured Grid

Most Popular Grid Patterns

Colonial Grid Pattern

Double Prairie Grid Pattern

Queen Anne Grids

Marginal Mg 11 Grid

Available Frames

Retrofit Frame

Block Frame

Nail-On Frame

Nail-On Frame 1-3/8″ Setback


  • One of the most energy efficient ENERGYSTAR® qualified products for 2014.
  • A true triple pane window. Other manufacturers simply add 1 more pane to their dual pane frame. We designed this frame to accommodate 3 panes with ample airspace for the argon fill.
  • Beautiful, maintenance free, all the high end features without the high end price.
  • No FLIMSY vinyl here. Relax with virtually maintenance-free vinyl frames that won’t warp, rot, peel, or fade.
  • Equal sightlines make this window very pleasing to the eye.
  • Operate and unlock the window with minimal effort. Super Secure Locking System
  • Night Latch as an extra security feature for safe night time ventilation.
  • Live worry-free with United’s Full Lifetime Warranty with glass breakage protection.
  • Enjoy effortless operation and easy-glide window panels with smooth composite rollers.
  • Feel secure with our steel enforcement beam, Its performance meets California forced-entry codes, some of the toughest in the nation.
  • Enjoy superior energy savings and protection against fabric fading and sun damage with Cardinal’s LoE366® glass.
  • Argon gas filled insulated glass unit for superior insulation.
  • Optional Internal Grids (in between the two layers of glass) available with many patterns to choose from.
  • Clear Vision® only uses high quality Quanex® energy efficient spacers which are guaranteed not to fail.
  • Available in Retrofit Fin, Block and new construction frames.
  • One –way weephole technology let’s the moisture out but keeps dirt dust and insect from coming in.
  • AAMA and NFRC certified to meet or exceed industry structural and energy efficiency standards.
  • Exceeds ENERGYSTAR® performance criteria.
  • STC Rated for Low Sound Transmission

Heavy Duty Composite wheels allows the slider to smoothly glide across its track and will last forever.

Push Button Spring-Loaded Night Latches add security while allowing both the sash to remain partially open for ventilation.

Color Options