Slim hinged system with concealed sashes and thermal insulation

MU2020 Concealed Sash

MUSKITA’s newest thermally insulated system MU2020 Concealed Sash is characterized by its minimalistic design and excellent performance ratings in energy efficiency, sound insulation and safety. The system is designed to maximize the building’s natural light while reducing visible aluminium, achieving a minimalist aesthetic that makes it ideal for elegant, slim large openings.

Technical Features & Solutions 

  • MU2020 combines excellent air and water tightness, thermal performance, increased acoustic insulation and mechanical strength.
  • The system gives buildings a beautiful uniform appearance through the combination of opening and fixed sashes. MU2020 covers all possible frame configurations from standard to Tilt & Turn options, fixed frames, as well as fanlights. The system’s concealed sash mechanisms make it ideal for creating slim, large openings that appear fixed from the outside.
  • MU2020 is quick and easy to assemble and install, combining safety and functionality.
  • High security is achieved with multiple locking points and high-tech precision accessories. A variety of high quality handles, embedded handles and mechanism are available from MUSKITA, Giesse Italy and G-U Germany. Choice of sash with CAMERA EUROPEA as well as perimetric Alu-16 locking hardware is available.
  • Excellent thermal efficiency and sound insulation achieved via a specialized 45 mm polyamide thermal break system, making MU2020 an ideal solution for the highest requirements. 
Technical Characteristics
Frame Width
76 mm
Frame Height
56 mm
Sash Width
74 mm
Sash Height
49 mm
Minimum Aluminium Visible Width of T-profile
56, 78 & 102 mm
Maximum Sash Weight
170 kg
Glass Options
32 mm
Performance & Classification *
Thermal Transmittance – Uw [W/(m²K)]
≥ 0.97
Sound Reduction
Up to 50 dB
Air Permeability
Class 4
Water Tightness
Class E1050
Resistance to Wind Load
Class C5
* Results according to the tests performed by MUSKITA laboratories, pending independent certification.
Finishes & Colours
Powder Coating
powder coating
Sublimation & Wood Finishes
One Sash Window/ Door
Two Sash Window/ Door
Three Sash Window
Cross Sections