TNR Hi-Ten Roof
Our main trapezoidal sheet. 765 mm cover, high-tensile steel, cut to your length. Use it on houses, shops, factories and sheds.
| Specification | Value |
|---|---|
| Effective cover width | 765 mm |
| Finished sheet width | 820 mm |
| Thickness, standard (TCT) | 0.35 / 0.40 / 0.47 mm |
| Thickness, economy line (TCT) | 0.16 - 0.23 mm |
| Thickness basis | TCT (total coated thickness) |
| Base metal thickness at 0.47 TCT | 0.42 mm |
| Mass at 0.47 TCT | 4.35 kg/m² |
| Rib height | 26 mm |
| Steel grade | G550 / G350 |
| Coating | Zn-Al alloy coated steel; coating class stated on your quote |
| Minimum roof slope | 5° (about 1 in 11) |
| Roof purlin spacing, internal | 1200 mm |
| Roof purlin spacing, end | 900 mm |
| Fastener | 12 × 55 mm self-drilling screw |
| Length | Cut to order |
Specification
- Cover width 765 mm; finished width 820 mm
- Thickness 0.35 / 0.40 / 0.47 mm TCT; economy line 0.16 to 0.23 mm TCT
- Steel grade G550 / G350; rib height 26 mm; 4.35 kg/m² at 0.47 mm
- Zn-Al coated steel; coating class stated on your quote
- Minimum roof slope 5° (about 1 in 11)
- Purlins at 1200 mm internal, 900 mm at ends; 12 × 55 mm self-drilling screws
When to choose Hi-Ten
Choose Hi-Ten for any pitched roof of 5° or more where you want the longest spans and the lowest weight. 0.47 mm is the standard for houses and commercial roofs; 0.35 and 0.40 mm suit verandas and covered areas; the economy line is for sheds and fences.
Finish the roof
Ridge caps, barge and wall flashings, valley gutters, eaves gutters and downpipes are folded from the same coil in the same colour.
Gutters and accessoriesHow many sheets?
Roof width divided by 0.765 m, rounded up, per slope. Or use the calculator.
Roofing calculator