Rolling shutter box is assembled out of several identical blocks which consist of a thermal insulation material and are provided on their outer periphery with dovetail profiling

摘要

The rolling shutter box is assembled out of several identical blocks (1) which consist of a thermal insulation material and are provided on their outer periphery with dovetail profiling (4, 5, 6, 7) for accommodation of plaster, and a bottom gap (15).