SkyFrame 1 - Is the single glazed version of the SkyFrame Classic door system.
SkyFrame 2 - Is the double glazed (30mm) version of the SkyFrame Classic door system.
The excellent sound and thermal capabilities have made this the most popular SkyFrame solution
SkyFrame 3 - Is the ultimate in insulationand wind resistance offering the highest thermal performance and stability
SkyFrame in Switzerland started with the triple glazed version of the door due to the climate requirements this ensures that all SkyFrame systems are based on the heaviest panels, this mean that your door is guaranteed to operate smoothly at any size that can be achieved.