The Aluprof MB-79N system revolutionizes window and door solutions by achieving an outstanding heat transfer coefficient of just 0.83 W/(m²K), enabling windows to reach an impressive Uw value as low as 0.64 W/(m²K).

System Variants

MB-79N E Variant:

  • Single-component central gasket
  • Economic solution
  • Best for standard applications

MB-79N ST Variant:

  • Two-component central gasket
  • Enhanced thermal performance
  • Ideal for projects requiring improved thermal insulation

MB-79N SI Variant:

  • EPS insulating inserts with two-component gasket
  • Maximum thermal efficiency
  • Premium solution for highest thermal requirements

Technical Parameters:

  • Thermal Insulation (Uf): <0.83 W/(m²K)
  • Water Tightness: E1950
  • Air Permeability: Class 4
  • Maximum Sash Dimensions: H: 2700mm, W: 1400mm
  • Maximum Sash Weight: 200 kg

Construction Capabilities:

  • Fixed windows and balcony doors
  • Inward and outward opening windows
  • Standard and expansion mullions
  • Single and double-leaf external doors

Maximum Parameters:

  • Height: 2.8 meters
  • Width: 1.4 meters
  • Weight: 200 kg

Insulation Properties:

  • Window thermal transmittance (Uw) from 0.64 W/(m²K)
  • Meets 2021 Technical Requirements for:
    • Windows (0.9 W/m²K)
    • Doors (1.3 W/m²K)
  • Glazing packages up to 63mm possible

Weather Resistance:

  • Air Permeability: Class 4
  • Water Tightness: E1950
  • Wind Load Resistance: Class C5
  • Certified according to ASTM and Florida Building Code standards

Key Features:

  • Profile depth: 79mm for window sashes, 70mm for frames and door leaves
  • Advanced thermal break design with innovative materials
  • Compatible with various glass types, including acoustic and anti-burglary options
  • Compensation for concrete floor deflections up to ±25.6 mm in window wall applications

Conclusions:

The Aluprof MB-79N represents a significant advancement in aluminum window and door technology, combining superior thermal performance with practical construction benefits. With its Uw value reaching as low as 0.64 W/(m²K), it stands among the top performers in thermal efficiency. The system’s three variants offer excellent flexibility for different project requirements, while maintaining the same price point as the previous MB-70HI model. The system has proven its reliability in real-world applications, including prestigious projects like the 625 Fulton Street development in Brooklyn, demonstrating its capability in complex architectural designs.