
Clear Glass
Clear Glass is standard on all windows and is the base glass provided in windows prior to any upgrades or glazing options being added.

Custom Sizing
Ply Gem windows and patio doors can be ordered in 1/8 inch increments to accommodate any replacement application providing a perfect fit and minimizing installation time and special trimming requirements.

HP Glass
HP glass combines one lite of soft coat Low-E with argon glass fill for high performance.

HP SC Glass
HP-SC glass combines solar cooling optimized Low-E with argon gas fill for high performance that is optimized for warmer climates.

Limited Lifetime Warranty
Ply Gem Windows is committed to providing industry-leading warranties for all of its products.

Low-E Glass
A microscopically thin, virtually invisible metallic oxide layer deposited on a window-glazing surface. Low-E can reduce heating and cooling bills plus dramatically improve overall comfort.

Low-E SC Glass
Low-E SC is optimized for warmer climates by applying two heavier layers of coating, through a patented process saving you energy year round.

New Generation Vinyl
New Generation Vinyl withstands harsh weather and wear-and-tear better. This rugged, maintenance-free, New Generation uiPV offers low conductivity and high energy-efficiency properties for your home and you'll never need to paint or stain these windows.

Pinch Fusion Welding
Ply Gem Replacement Series windows are entirely fusion welded – sashes and mainframes – to create a solid, one-piece unit that maintains its strength over the years. Our state-of-the-art fusion process ensures frame and sash corners won't have the excess variance found with other welding techniques.

Warm Edge Technology
The Warm Edge glass spacer system reduces thermal transfer around the glass perimeter by utilizing a unique U-shaped channel to separate glass panes and interrupt the natural flow of heat to cold. Warm Edge is one continuous piece creating a stronger, more energy-efficient insulated glass unit.

Warm Edge+ Technology
Our Warm Edge Plus Technology includes all of the features of the Warm Edge Spacer, but utilizes a new, less conductive material that provides a lower U-Factor.