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TRIMDEK® profile dimensions
| Cover width | 762mm |
| Overall sheet width | 850mm |
| Rib height | 29mm |
| Base metal thickness | 0.42 BMT |
| Minimum roof pitch | 2° (roofing applications) |
| Lengths | Cut to order, 1m to 10m |
Roofing and walling in one profile
TRIMDEK® is screw-fixed and spans wider support spacings than corrugated, which means fewer battens on large roof areas like garages and sheds. The same sheet runs vertically or horizontally as wall cladding, so a roof and a feature wall in matching MATT Monument® come off one order in one delivery.
What the MATT finish changes
Same COLORBOND® steel, same profile, different surface: the MATT paint system diffuses light instead of reflecting it. In practice that means less glare off large roof planes, colours that read darker and flatter than their gloss equivalents, and a finish architects spec for contemporary facades. Durability and maintenance are the same as standard COLORBOND® steel. Compare against standard COLORBOND® TRIMDEK® if you're deciding between finishes.
Handling and installation notes
- Lay sheets towards the prevailing weather so side laps face away from driving rain
- Lift sheets on edge; dragging across the stack can mark the MATT surface
- Use painted COLORBOND® screws to match; plain zinc heads stand out on a matt roof
- Sweep swarf off the roof at the end of each day to prevent rust staining
Not the profile you need?
MATT is also available in corrugated. For concealed fixing with no visible screws, see KLIP-LOK® 700
