MB-79N CO

MB-79N CASEMENT OPERATOR is the first thermally insulated aluminum window system with a crank-out mechanism designed for the US market, available to manufacturers in Poland. It combines comfort of use, modern appearance, and high functionality – in line with the requirements of the American market. The window opening mechanism located on the bottom edge is easily accessible even for people with mobility issues. The system allows for the use of a frame mosquito net, which makes these structures not only convenient but also practical. The available version of the frame, which can be installed with nails, means that these windows can be quickly and efficiently fitted into a building, regardless of whether it is new or being renovated.

Distinguishing features of MB-79N CO windows:

• Convenience first – thanks to the crank-out mechanism, the window opens easily and precisely
• Aesthetic, slim profiles allow for larger glazing and more natural light in the room
• Outward opening allows for free arrangement of the interior space and installation of mosquito nets from the inside
• Two types of opening: crank-out and push-out
• Dedicated frame insect screens – always ready to protect against insects
• Sash profiles hidden from the inside – modern aesthetics
• Excellent thermal parameters – U-factor as low as 0.30 Btu/(h·ft²·°F)
• Wide range of glazing (12–55.5 mm) and possibility of using two-color profiles
• Systemic “nail fin” installation and compatibility with the MB-79N and MB-79N US window system families

Advantages of MB-79N CO windows for manufacturers:

• Product fully compliant with the AAMA standard, class CW50
• Compatibility with the MB-79N family – production efficiency
• Two drainage options: concealed and visible with a decorative cap
• Available in ST and SI thermal versions