- The primary building blocks of our truss system is ① C-Section ② Batten .
- The type of building, roof pitch, roof length, wind load and rain density are some of the deciding factors determining the design of our roof truss system.
D = depth , t = thickness (TCT) , b1 = top flange , b2 = base flange , s = lips
| Section Type |
D (mm) |
t (mm) |
b1 (mm) |
b2 (mm) |
s (mm) |
Area (Ag) |
Weight (kg/m) |
Ix (mm⁴) |
Iy (mm⁴) |
rx (cm) |
rx (cm) |
Zx (mmᶟ) |
Zy (mmᶟ) |
|
| 1 | V35 - 0.45mm | 35 | 0.45 | 18 | 50 | 11 | 50.40 | 0.42 | 9093 | 9041 | 1.343 | 1.339 | 364 | 532 |
Product Tolerances
Fort Steel light weight trusses are produced within the following tolerances :
| Length | Web (Dim.H) | Flange (Dim.B) | Thickness |
| ± 5mm | ±1mm | ± 2mm | ± 0.05mm |
| Longitudinal Tensile | Tensile Strength | Yield Strength | Protective Coating |
| G550 | Min 550 Mpa | Min 550 Mpa | T-Maz™ |
| Standard Coating Mass | Surface Finish | Surface Colour | |
| Y12 | Non-spangled | Oak |
US 1304 
MY 1235 
CN 213 
AU 88 
AP 65 
NZ 55 
SG 50 
GB 49 
