75 mm Curtain

durable z275 coated galvanised steel interlocking slats roll formed in house available in -
.8 – Doors upto 6.0m high x 6.0m wide
1.0 – doors upto 9.0m high x 9.0m wide

Drum

Australian made C350 line pipe is the foundation with diameter and wall thickness appropriate for door weight and minimal deflection. Cold drawn 1020 solid bar is used to carry the drum which are mounted on 38.1 I.D sealed roller bearings. Helical springs are used to counterbalance the door weight.