Product Group
Doors, Entry Doors
AT 740 SI

System Description

The system is the all-rounder among door systems and combines design, cost-efficiency and the familiar AKOTHERM quality.

With an attractive design in virtually any colour, the true strength of this system is the multifaceted properties and characteristics the proven modular design has to offer.

Fire and smoke control, burglar resistance, escape and panic function, finger guard, barrier free, this multifunction door further offers top insulation values paired with outstanding security technology – all this with easy processing and lean production costs.

360° view


2D cross section

Product Specifications

Installation Depths

Frame up to 75 mm, leaf up to 75 mm, glazing bars 75 mm


24 to 56 mm

Air permeability

as per EN 12207: Class 4

Driving rain resistance

as per EN 12208: up to class 8A depending on opening style

Sound protection

DIN EN ISO 10140-1: up to Rw = up to 42 dB

Thermal transmittance

as per EN 10077-2: Uf = up to 1.3 W / (m² K)

Burglar Resistance

up to RC3

CE mark

as per EN 14351-1: can be applied

Barrier free passage

as per DIN 18025-2: can be implemented


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AT 740 SI

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