In the centre seal system, the outer, and hence more important sealing level is in the middle of the profile. KBE normally offers the centre seal systems with only three seals, for a further enhancement of thermal insulation properties.
In the centre seal system, the outer, and hence more important sealing level is in the middle of the profile. KBE normally offers the centre seal systems with only three seals, for a further enhancement of thermal insulation properties.
