Overview
The Trisobuild® CR system is a tried and tested assembly with a through fixed trapezoidal outer sheet which can self-curve around a range of radii. The system is specified with an apex sheet long enough to ensure that the end lap of the profile or roof light is below the 4 degree pitch of the curve.
Designing the roof and using Trisobuild® CR within this radius range allows the specifier to optimise cost and provide an attractive low profile roof, with the confidence that all detailing has been third-party assessed.
Table below assumes radius of roof is after designed deflection.
| Radius (m) | 40 | 45 | 50 | 55 | 60 | 65 | 70 | 75 | 80 | 85 | 90 | 95 | 100 | 105 | 110 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Apex sheet length required for end lap at 4° | 5.59 | 6.28 | 6.98 | 7.68 | 8.38 | 9.08 | 9.77 | 10.47 | 11.17 | 11.87 | 12.57 | 13.27 | 13.96 | 14.66 | 15.36 |
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