Portable screens with fixed blades AL-SI1/ST-SI1

Rectangular transfer ventilation grille made of aluminum or steel with fixed blades covering the expansion holes.

The grilles are intended for installation in ventilation units as covers for transition (compensation) openings. They optimally mask the inside of the transfer hole.

Aluminum grilles AL-SI1 and AL-SI11

The AL-SI1 and AL-SI11 grilles are equipped with a frame and fixed blades made of aluminum, anodized to a natural color or painted in white RAL9010. Other RAL colors are available on request. Type AL-SI11 is additionally equipped with a counter frame (without blades), allowing double-sided masking of the compensation hole.

Steel gratings ST-SI1 and ST-SI11

The ST-SI1 and ST-SI11 grilles are equipped with a frame and fixed blades made of steel profiles painted in white RAL9010. Other RAL colors and galvanized or stainless steel versions are available on request. Type ST-SI11 is additionally equipped with a counter frame (without blades), allowing two-sided masking of the compensation hole.