FAQ Knowledge Articles

Marvin has two units, Clad Direct Glaze Polygon and Clad Ultimate Casement, with several glass coatings and makeups that are Passive House Certified.  This link will bring you to the current certified products on the Passive House Institute US website.

The eleven rectangular products and glazing options listed below are certified for Passive House.  Please, contact a Marvin representative for non-rectangular shapes.


Clad Direct Glaze Rectangle
  • 1 5/16" Tripane
    • Low E1/E1 Krypton-Argon: U-Factor = 0.16, Solar Heat Gain Coefficient (SHGC) = 0.46, Visible Transmittance (VT) = 0.58
    • Low E3/E1/ERS Krypton-Argon: U-Factor = 0.14, SHGC = 0.20, VT = 0.46
    • Starphire Low ERS/ERS Krypton: U-Factor = 0.17, SHGC = 0.58, VT = 0.61
  • 1 1/2" Tripane
    • Low E1/E1 Argon: U-Factor = 0.16, SHGC = 0.46, VT = 0.58
    • Low E2/E1/ERS Argon: U-Factor = 0.14, SHGC = 0.27, VT = 0.46
    • Low E3/E1/ERS Argon: U-Factor = 0.14, SHGC = 0.20, VT = 0.46
Clad Ultimate Casement
  • 1" Tripane
    • Low E1/E1 Krypton-Argon: U-Factor = 0.21, SHGC = 0.39, VT = 0.48
    • Low E3/E1/ERS Krypton-Argon: U-Factor = 0.20, SHGC = 0.17, VT = 0.38
  • 1 3/8" Tripane
    • Low E1/E1 Argon: U-Factor = 0.21, SHGC = 0.37, VT = 0.47
    • Low E2/E1/ERS Argon: U-Factor = 0.19, SHGC = 0.25, VT = 0.42
    • Low E3/E1/ERS Argon: U-Factor = 0.19, SHGC = 0.17, VT = 0.38
Additional high performing energy efficient products and options that are not PHIUS certified are available from Marvin.  Please, contact a Marvin representative to help provide additional energy efficient solutions.