The tilt & turn door system, provide you the maximum performance in all the features of the window. They are the best solution for thermal insulation, sound insulation, waterproofing and safety.
This water pereability is a result mainly using three EPDM seals
Also, the German double multi locking peripheral hardware in combination with double security handles are the main features which give to window the maximum security (WK2 level) and waterproofing.
Maximum Heat Insulation and Soundproofing
Double GU multi locking hardware
Steel 1,5 up to 2,0 mm