
Ventilation lids and rain grids are used for natural aeration. Both the basic frame and the flaps are pressed of the steel sheet. The grids are available in lacquered and aluminium execution with square holes 12 x 12 mm or longitudinal holes with covers. Polyamid netting provides additional protection. The steel parts are powder coated in colours according to the RAL scale of colours. We produce the rain grids in two types: 15 × 15 cm (part number 5041) and 15 × 30 cm (p.n. 5043).




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