S75 Steel Roller Shutter

Our 75mm Steel Roller Shutter is the premium option, The 75mm slat is a smooth operating door with architectural appeal

S75 Slat
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


Our standard door finish is galvanised but for those wanting colour all our products can be powder coated at additional cost. For the full range of colour options see Dulux Powder Coat Colour Chart

S75 clip
S75 Clips

Made from DuPont plastics for durability with extended coverage over the interlocking slat curls

Bottom rail & Weather seal
Bottom Rail

Heavy duty Australian made 6060t5 extruded aluminium profile with provisions for a U.V stable weather seal


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.


Laser cut from 8mm, 10mm, or 12mm mild steel with size and thickness to suit specific doors

100mm - 75mm Track

Roll formed in house from z275 galvanized steel with a choice of either 75mm or 100mm depth

Hduty lug
Heavy Duty Guide lug

A mounting lug and gusset in one, an easy upgrade for extra strength

Wind lock + Track + Hduty lug

For doors over 6.0m x 6.0m, or doors in high wind/exposed situations or for the ultimate in security. A heavier track is used for added strength.

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Facia Panel/ Infills

For visual appeal we can custom make solid panels to match the door

Ventilation options

When ventilation or vision is a requirement we can provide slats with a 25mm x 100mm slot or full perforation on any number of slats or the whole curtain.

Shoot bolt

Hand operated doors are fitted with sliding shoot bolts that accept padlocks. Chain operated and motorised have a wall mounted chain lock. Shoot bolts are available but not recommended for motorised doors

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Tapered / Custom bottom rail

For a weathertight seal on sloping surfaces, or when gutters or traffic islands need to be overcome.


3 modes of operation are available. Hand op, Chain op, or motorised with control options to suit your needs. See our Grifco page for Chain and motorised options