Hidden vent window Systems AT 740 BF SI

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 fitting. 

Your benefits:

• Maximum compatibility with existing AKOTHERM systems
• High thermal insulation
• Homogeneous exterior view by concealed casement
• Proven and established manufacturing technology

Specifications

Heat transfer
EN ISO 10077-2: Uf -Value = up to 1,8 W/(m²K)

Air permeability
EN 12207: Klasse 4

Water tightness
EN 12208: Klasse E 900

Sound insulation
DIN EN ISO 140 Teil 3: up to RW = 47 dB

Glazing
Filling thickness from 26 to 46 mm

Installation depth
Frames 75 mm, casement 79,5 mm

Credentials:

2D sections: