Page 165 - Catalog Book V1V2

SHUTTERS

Double L Z-Wall Shutter System VENTILATION

The Z Wall Shutter System provides an effective backdraft prevention system which overcomes all the

weaknesses present in other systems. The Z Wall uses a concept of a double shutter, but instead of
VENTILATION
just a 6" gap between the 2 shutters, it provides a deeper "airlock" chamber between the two.

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