Pro390 Sliding Glass Door

If you're looking for sliding glass doors you can count on for both energy efficiency and aesthetic appeal, look no further than the Pro390, one of MI Windows and Doors' ENERGY STAR-qualified patio doors. 

The Pro390 Sliding Glass Door will brighten any room in your home with its large viewing areas and precise attention to detail. Featuring details like double weatherstripping and a warm-edge spacer system, this patio door is not only energy efficient but made for superior durability. With simple, clean lines, strong construction, and energy-efficient features, you'll admire the craftsmanship and performance of your door for years to come. Whether you're looking for a replacement patio door or a sliding glass door for new construction projects, the 390 sliding glass door is an excellent choice.

Energy Star ®


  • North-Central
  • Northern
  • South-Central
  • Southern
  • Warm-edge spacer system maximizes energy efficiency and improves seal performance of insulated glass units
  • Welded, multi-chambered vinyl frame for superior strength and energy efficiency
  • Interlock at center rail provides a tight seal against air infiltration
  • Double weatherstripping for protection against wind, rain, dust, and noise
Product Details:
  • 4-7/8” frame depth
  • 1” insulated glass
  • 5 frame styles available
Performance Ratings:
  • STC: 28-35
  • U-Value: .28-.33
  • SHGC: .14-.23
  • VLT: .28-.54
Glass Options:
  • Tempered (Standard)
  • Obscure
  • LoE-366
  • Argon gas enhancement
  • TMAX all zones
Color Options:
  • White
  • Adobe
  • Almond

* Almond available on fin frame only

Grid Options:
  • 5/8" flat grids-between-the-glass
  • 15/16" sculptured grids-between-the-glass
  • 5/8" simulated divided light
  • 15/16" simulated divided light
Hardware Options:
  • Color match

*Product availability varies by state and region. 
Consult your local building code for product approvals pertaining to your specific project.  Please contact MI for assistance.