74T System

74T System

74T System is a new generation aluminium joinery solution suitable for large openings and modern architecture with its wide heat barrier, high insulation and robust structure.

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SKU3867
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Başak Aluminium 74T Series is a high-performance door and window system specially developed for modern buildings with advanced insulation needs. With a 74 mm frame width, 82 mm sash width, wall thickness ranging from 1.8 to 2 mm, and an extra-wide 34 mm thermal break, it ensures maximum energy efficiency, long-lasting durability, and secure use.

Equipped with polyamide insulators and EPDM gaskets, the system features a central gasket that blocks water and dust, delivering year-round sealing and comfort. Thanks to its wide glass range, robust corner cleat connections, and Euro-standard accessory channels, it offers flawless solutions for large-scale and prestigious architectural projects.

Frame Width 74 mm
Sash Width 82 mm
Wall Thickness 1.8 – 2 mm
Thermal Break 34 mm
Thermal Transmittance (Uf) 2.33 W/m²K
Accessory Channel Complies with Euro standards
Insulators POLYAMIDE
Gaskets EPDM
Glass Thickness Range 24 – 50 mm
Central Gasket Water and dust blocking
Corner Joint With corner cleat option
Air/Water Drainage Secure drainage system
Profile Options Standard and custom angles
  • High energy efficiency with 34 mm wide thermal break
  • Durable and long-lasting use with 1.8–2 mm wall thickness
  • Architectural solutions for large openings with 74 mm frame and 82 mm sash
  • Easy installation and accessory compatibility with Euro-standard accessory channels
  • Maximum insulation and sealing with POLYAMIDE insulators and EPDM gaskets
  • Flexible design with 24–50 mm glass thickness range
  • Clean and comfortable use with water and dust-blocking central gasket
  • Strong and precise corner joint with cleat option
  • All-season comfort with secure air and water drainage system
  • Functional profile options suitable for standard and custom-angled projects

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