Maximum clear span of flat roof joists in metres for sc3 timber spacing between joists size of roof joist 400mm 450mm 600mm 47 x 97 1 84 1 81 1 74. 2nd edition trada. Tables 1 and 2 in this chapter are derived from the trada technology ltd.
Timber I Joists Are Engineered Structural Components That Are Widely Used In The Uk Particularly As Flo Timber Frame Construction Wood Laminated Veneer Lumber
