Hidden vent window Systems AT 730 BF HI-S

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 1,9 W/(m²K)

Air permeability
EN 12207: Class 4

Water tightness
EN 12208: Class E 900

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

Glazing
Filling thickness from 24 to 42 mm

Installation depth
Frame 70 mm, Casement 74,5 mm

Credentials:

2D sections: