Series 311

Our cost-effective Series 311 sliding patio doors have the standard features of a high-quality patio door with deluxe color matched hardware, a locking handle and optional screen. Offered in white only, these patio doors are available in a range of sizes. Each patio door is exceptionally crafted to be durable and comes with a limited lifetime warranty.

Features & Benefits

  • Offered only in 5’, 6’ and 6’4” sizes
  • Field Reversible
  • Optional screen
  • Available in White Only
  • Limited Lifetime Warranty
Where To Buy
Series 311 Sliding Patio Door
Series 311 Sliding Patio Door

Energy Efficient Glass Options

Energy Star Program LogoAtrium windows and doors are engineered with state-of-the-art glass technology to give you outstanding thermal efficiency. With a full range of glass options and special insulated spacers, we have a glass package to fit any climate need or budget. Verify product specifics before ordering.


Low-E Glass

Low-E glass is coated with a microscopic layer of silver that reflects radiant solar energy while permitting visible light to pass through the glass, providing more comfort and lower energy costs.

Low-E Glass and Argon Gas

Argon gas works like an insulating blanket between two panes of glass to further improve thermal eciency and decrease outside sound levels.

Ultra Low-E Glass and Argon Gas

Choose our ultimate glass package for optimal energy efficiency and maximum cost savings. Ultra Low-E glass offers three invisible layers of silver coating in addition to the superior thermal performance of argon gas.

Vinyl Color Options



White

Device/Monitor screen settings may affect color shown. Please refer to actual window sample when selecting colors. Only use mild, water based household cleaner on painted product and rinse immediately with water. See full cleaning instructions for details.

Available Grid Patterns



Colonial (SL)

Diamond (SL)

Prairie (SL)

Valance (SL)

Available Grid Types



1-Inch Contoured Grid

3/4-Inch Flat Grid

5/8-Inch Contoured Grid

5/8-Inch Flat Grid

Available Series 311 Models


Atrium Product Specifications

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Atrium Installation Instructions & Videos

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Become An Atrium Distributor

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