System Description
Economic and demonstrably excellent. The AT 740 window stands for great product quality with all the benefits you can expect from a “state of the art” aluminium window. Burglar resistance up to RC3, sound protection and excellent insulation in compliance with the latest EnEV can be implemented with this system.
Take advantage of the greatest architectural leeway by combining various styles and casement sizes up to 2700 mm tall. Despite eliminating foil-laminated insulation bars, the required U values of the Energy Saving Ordinance (EnEV) can already be reached with double glazing. This is guaranteed in all styles, from hidden vent to design or even open-out window with outward opening casement.
Take advantage of the economic value optimisation! The ability to use the same parts of standardised tools and accessories reduces your costs and saves time, since there is no inserting spigots at all. Low priced accessories, quick fabrication times and the greatest possible value optimisation ensure cost efficiency.
Product Specifications
Installation Depths
Frame 75 mm, casement 85 mm, glazing bars 75 mm
Glazing
24 to 66 mm
Air permeability
as per EN 12207: Class 4
Driving rain resistance
as per EN 12208: up to class E 900 depending on opening style
Natural smoke and heat exhaust ventilators (NRWG)
as per EN 12101-2: tested and approved
Sound protection
DIN EN ISO 10140-1: up to Rw = 45 dB
Thermal transmittance
as per EN ISO 10077-2: Uf = up to 1.4 W / (m² K)
Burglar Resistance
up to RC3
Barrier free passage
as per DIN 18025-2: can be implemented
Advantages
- Best thermal insulation
- Burglar resistant for security
- Suitable for barrier free passageways
- Maximum compatibility with existing AKOTHERM systems
- Proven and established production technology
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