Hidden vent window Systems AT 720 BF

With the AKOTHERM hidden vent window system, the casement is completely concealed by the frame from outside. This ensures an absolutely homogenous appearance, and offers plenty of design freedom, especially when used in AKOTHERM facade constructions.Corner connections can be pressed or pinned together by means of corner brackets.All usual fittings such as side hung, turn-and-tilt and tilt fittings can be installed in the systems AT 740 BF SI. The casement glazing is carried out from the outside.

Your benefits:

• Maximum compatibility with existing AKOTHERM systems
• Thermally insulated hidden vent
• Homogeneous exterior view by concealed casement
• Proven and established manufacturing technology

Specifications

Heat transfer
relative to EN ISO 10077-2: Uf -value = up to 2,9 W/(m²K)

Air permeability
relative to EN 12207: Class 4

Water tightness
relative to EN 12208: Class E 750

Glazing
Filling thickness 14 to 34 mm

Installation depth
Frame 60 mm, Casement 64,5 mm

2D sections: