300 Series Original Slider

Product Overview

Our 300 series product is proudly made in North America, with high-quality materials that enable us to offer you the peace of mind of a lifetime warranty.

Our proven multiple chamber system offers improved strength and provides significant energy savings compared to other windows. High quality glass – Lowe270 / Argon gas or Lowe 366 / Argon gas are standard – mean that all our 300 series windows are low-emission, Energy Star certified and come with a 20-year warranty on the glass itself.

Key Features

  • Durability: our multiple chamber design and 2.5 inch frame makes the window stronger and longer lasting than our competitors.

  • Flexibility: we offer a fixed or sliding sash. The sliding sash can open horizontally or vertically, allowing for easy operation in tough to-reach places.

Selection Options

Technical Specifications

  • Material

    High impact PVC mitered and quad, heat welded. Available in a variety of colors.

  • Water Penetration

    .21 to .56
    (depending on configuration)

  • U-Value

    16 to 35
    (depending on configuration)
    View energy efficiency ratings