76 MD


Specification Value
Number of Chambers 6
Profile Specifications Uf=1.1 W/(m2K)
Sash 78 mm
Frame 74 mm
Glass Ug=1.00 W/(m2K)
Sound Insulation Rw ≈ 32 dB
Thermal Insulation Uw=1.1 W/(m2K)

The 76MD window is a high-quality and energy-efficient window designed to enhance the aesthetics and performance of your living space. It offers a perfect balance of functionality, durability, and style.

Key Features:

  1. 6-chamber profile design for excellent thermal insulation
  2. 78mm sash width and 74mm frame width for enhanced stability
  3. Low Uf value of 1.1 W/(m2K) ensures energy efficiency
  4. High-quality glass with a U-value of 1.00 W/(m2K) for optimal insulation
  5. Sound insulation of approximately 32 dB (Rw) for a quieter living environment


  • Superior energy efficiency, helping to reduce heating and cooling costs
  • Enhanced sound insulation for a peaceful and comfortable indoor environment
  • Durable construction and reliable performance for long-lasting satisfaction
  • Stylish design options to complement any architectural style
  • Easy maintenance and cleaning for hassle-free ownership

Applications: The 76MD window is suitable for various residential and commercial applications, including homes, apartments, offices, and other buildings. It is an ideal choice for those seeking energy-efficient windows without compromising on style and performance.

Logo Bijeli Gellain

Gellain is engaged in the production of PVC and ALU joinery from the highest quality materials. We make all kinds of windows, doors, entrance and garage, shutters, with manual and automatic systems.