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The HS 330 features weather-resistant aluminum on the exterior and a natural wood surface on the interior, for exceptional heat retention. This model is suitable for Passive House construction, due to the profile’s exceptional performance. Lift-sliding doors connect indoor spaces to patios or balconies, creating open and bright rooms.

Its angular construction and milled guiding rails complement modern designs. The energy-saving fibre glass threshold is also available in a low-level design for a minimal appearance.

I-tec Glazing ensures excellent stability due to the all-round bonding of the glass pane.

Read more about Internorm I-tec Innovations.


Thermal Efficiency
UW as low as 0.73 W/m²K
Sound Reduction
Up to 40 dB
Resistance classes RC1N and RC2 | Concealed locking


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