All Milgard Windows & Doors carry a Lifetime Warranty! Learn More.

Thermally-Improved - Sliding Patio Door

thermally improved sliding

Thermally-improved aluminum doors are ideal for extreme weather. In fact, their C-30 or higher structural ratings qualifies them for use in light commercial buildings such as schools, restaurants, and government buildings.

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Standard Features

  • Improved thermal rating for higher energy efficiency.
  • Sealed, mechanically-joined corners stay square and true over years of use while keeping your home dry year-round.
  • Clean, narrow sight lines, plus the strength and stability only aluminum can provide.
  • Milgard's exclusive Positive Action Locking System™ for added security and fingertip-easy opening.
  • Milgard SunCoat™ Low-E glass for superior energy savings and protection against fabric fading.
  • Industry-leading Full Lifetime Guarantee.