passive-casement-door

Passive Casement Door

High-performance passive casement door certified by PHI, featuring triple glazing, advanced sealing, and ultra-low U-value—ideal for energy-efficient buildings in extreme climates.

features & advantages

  • Passive House Certified

    Complies with PHI standards for airtightness, insulation, and durability.

  • U-Value ≤ 0.8 W/m²·K

    Triple-glazed Low-E glass and thermal break frame significantly reduce heat transfer.

  • 64mm Asymmetric Thermal Break by Technoform

    Multi-chamber wide barrier design effectively blocks heat transfer.

  • Customizable Configurations

    Fully customizable in size, surface finish, glazing type, and hardware system to meet various architectural and project needs.

  • Dual-Material Composite Sealing Gasket

    Co-extruded EPDM foam and solid rubber ensure outstanding airtightness and durability.

  • Closed-Cell Insulating Foam Filling

    Foam-filled internal chambers significantly enhance thermal performance.

Product description

The Passive Casement Door is a high-performance entrance solution designed for buildings with strict energy-saving and airtightness standards. Certified by the Passive House Institute (PHI), it achieves a U-value as low as 0.8 W/m²·K, making it ideal for both hot-climate and cold-climate regions.

The door system features a 64mm Technoform polyamide thermal break, triple Low-E tempered glazing, and multi-layer EPDM sealing gaskets to deliver exceptional insulation, Class 7 airtightness, and resistance to extreme wind loads (Class 9). Internal chambers are filled with closed-cell insulating foam to further enhance thermal stability.

Fully customizable in dimensions, leaf design, color (anodized, powder-coated, woodgrain), hardware options (ROTO, HOPO, or premium Chinese systems), and security configurations including fire-rated or multipoint lock options.

Product gallery

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