NeXTimber engineering product catalogue
GL13 glue laminated timber, Australian plantation radiata pine
GL13 252 × 115
Section properties
Depth, d
252 mm
Breadth, b
115 mm
Area, A
28,980 mm²
Iₓ (major)
153.4 ×10⁶ mm⁴
I_y (minor)
31.94 ×10⁶ mm⁴
Zₓ (major)
1217 ×10³ mm³
Z_y (minor)
555 ×10³ mm³
Self-weight
15.1 kg/m
Material properties
Modulus of elasticity (E)13 300 MPa
Modulus of rigidity (G)900 MPa
Bending strength (f′b)33 MPa
Tensile strength ∥ grain (f′t)16 MPa
Shear strength in beams (f′s)4.2 MPa
Compressive strength ∥ grain (f′c)26 MPa
✓Designed to AS 1720.1, AS 1720.1-2010, verified Aug 2025