Internorm Home Soft HF 310 TIMBER/ALU
Technical Data
Thermal insulation with standard triple glazing and highly thermally insulating edge seal (Ug = 0.5 W/m2K) Uw = 0.69 W/m2K
Best thermal insulation Uw up to 0.62 W/m2K (with corresponding glazing)
Sound Insulation
Soundproofing up to 46 dB
System Description
- 85 mm construction depth
- Can be combined with KF 410
- Highly thermally insulating thermal foam (HCFC, HCF and FC free)
- FIX-O-ROUND technology
- Fully concealed hardware
- Visible or concealed drainage
- Standard security
- Triple gasket system
- Designer locking parts
- Resistance class up to RC2
- In the standard version suitable for passive houses acc. to TU Graz

I-tec Features

Ingenious Glazing System
Glass panes glued to the timber frame ensure good structural stability and high torsion resistance.
Fully Concealed Hardware
As standard no visible hardware parts – for better appearance, easier to clean and above all for better impermeability from the inside.
Modern Desgin
The timber/aluminium window HF 310 stands out through its rounded design.