The fully electronically controlled Overlap motorization is combined with a mechanical transmission system and counterweights.
Overlap achieves excellent sealing performance against air-water-wind atmospheric agents and ensures high standards of soundproofing both in the opening / closing phases of the door and towards external noise.
NEW PLANA 75 THERMAL TRANSMITTANCE: U = 1.33 W / m2K *
THERMAL TRANSMITTANCE NEW PLANA 40 and CLASSIC: U = 1.50 W / m2K *
* value obtained on blind door with installation beyond the opening