Premium optimal
profile depth: 85
the simple shape of the sash
6-chamber system
ROTO NT / DESIGNO hardware system
5-year warranty
RC2 burglary resistance class for the profile
line with external seal (2 seals)
gray seal (in the white window)
micro ventilation in the UR sash
reinforcement: inserts with glass fiber Ultradur® High Speed „Powerdur”
available in numerous color variants
the warm frame (as an option)
4T/18/4/18/4T glass
Ug=0,5 W/m2K
glass class P2 (P4 as anoption)
PREMIUM OPTIMAL
Timeless design and modern technology
Premium Optimal means the simplicity of design. The windows from this line are perfect for a modern minimalist living room as well as a cozy, intimate room. They bring a subtle elegance to the interior.
Premium Optimal windows are based on the Powerdur Inside technology. This means that they retain excellent mechanical features and provide more effective thermal insulation in energy-saving construction.
