Manufactured in Canada, the Defender 88PH+ terrace swing doors are Passive House Institute (PHI) certified components engineered for the world’s most rigorous energy-based building standard.
The Defender 88PH+ Passive House Institute certified terrace doors have a U-value of 0.80 W/(m²K). These Cool Temperate certified terrace doors are available in a variety of functional and aesthetic options, including swing (inswing and outswing) or dual action (tilt and turn) hardware, single or double doors, and with or without top or side windows.
For more information, visit the product webpage.
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