Structure of the shutter: double-wall hollow profile structure of 20/10
Metal sheet shutter: an external sheet of 30/10 and a manganese sheet of 20/10 for the lock
Structure of the frame: double-wall hollow profile structure of 50/10 and 20/10
Locking points: total 16+1, Ø 18 mm
Insulation: Double layer of stone wool on 85% of the surface
Seals: 2
Dimensions: Taylor made
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