Glulam Wood Properties

The below table outlines the material properties for Glulam material including the young's modulus, yield strength, ultimate strength and other relevant mechanical properties required for structural and mechanical design.

Standard

GL8
GL10
GL12
GL13
GL17
GL18

Prolam

PL 8 Dry Use
PL 8 Wet Use
PL 12 Dry Use
PL 12 Wet Use

Glulam Young's Modulus

The Young's Modulus of Glulam ranges between 6,400 and 18,500 MPa Young's Modulus represents the material overall strength. See the below tables to get your specific material grade material strength.

Glulam Compressive Strength

The Compressive Strength of Glulam ranges between 19 and 45 MPa.

Glulam Shear Modulus

The Shear Modulus of Glulam ranges between 420 and 1,230 MPa.

Standard Wood Properties

GL8 Material Properties

Unit System	Bending Strength, F_b	Tensile Strength, F_t	Shear Strength, F_s	Compressive Strength, f_c	Poisson's Ratio, ν	Young's Modulus, E	Shear Modulus, G	Density, ρ	Seasoned
Metric	19 MPa	9 MPa	3.7 MPa	22 MPa	0.4	8,000 MPa	530 MPa	650 kg/m³	Yes

GL10 Material Properties

Unit System	Bending Strength, F_b	Tensile Strength, F_t	Shear Strength, F_s	Compressive Strength, f_c	Poisson's Ratio, ν	Young's Modulus, E	Shear Modulus, G	Density, ρ	Seasoned
Metric	22 MPa	9.9 MPa	3.7 MPa	23 MPa	0.4	10,000 MPa	670 MPa	650 kg/m³	Yes

GL12 Material Properties

Unit System	Bending Strength, F_b	Tensile Strength, F_t	Shear Strength, F_s	Compressive Strength, f_c	Poisson's Ratio, ν	Young's Modulus, E	Shear Modulus, G	Density, ρ	Seasoned
Metric	25 MPa	11.3 MPa	4.2 MPa	26 MPa	0.4	11,500 MPa	770 MPa	650 kg/m³	Yes

GL13 Material Properties

Unit System	Bending Strength, F_b	Tensile Strength, F_t	Shear Strength, F_s	Compressive Strength, f_c	Poisson's Ratio, ν	Young's Modulus, E	Shear Modulus, G	Density, ρ	Seasoned
Metric	33 MPa	14.4 MPa	4.2 MPa	30 MPa	0.4	13,300 MPa	900 MPa	650 kg/m³	Yes

GL17 Material Properties

Unit System	Bending Strength, F_b	Tensile Strength, F_t	Shear Strength, F_s	Compressive Strength, f_c	Poisson's Ratio, ν	Young's Modulus, E	Shear Modulus, G	Density, ρ	Seasoned
Metric	40 MPa	18.9 MPa	4.2 MPa	32 MPa	0.4	16,700 MPa	1,110 MPa	650 kg/m³	Yes

GL18 Material Properties

Unit System	Bending Strength, F_b	Tensile Strength, F_t	Shear Strength, F_s	Compressive Strength, f_c	Poisson's Ratio, ν	Young's Modulus, E	Shear Modulus, G	Density, ρ	Seasoned
Metric	45 MPa	22.5 MPa	5 MPa	45 MPa	0.4	18,500 MPa	1,230 MPa	650 kg/m³	Yes

Prolam Wood Properties

PL 8 Dry Use Material Properties

Unit System	Bending Strength, F_b	Tensile Strength, F_t	Shear Strength, F_s	Compressive Strength, f_c	Poisson's Ratio, ν	Young's Modulus, E	Shear Modulus, G	Density, ρ
Metric	19 MPa	10 MPa	3.7 MPa	24 MPa	0.4	8,000 MPa	530 MPa	650 kg/m³

PL 8 Wet Use Material Properties

Unit System	Bending Strength, F_b	Tensile Strength, F_t	Shear Strength, F_s	Compressive Strength, f_c	Poisson's Ratio, ν	Young's Modulus, E	Shear Modulus, G	Density, ρ
Metric	15.2 MPa	8 MPa	2.5 MPa	19 MPa	0.4	6,400 MPa	420 MPa	650 kg/m³

PL 12 Dry Use Material Properties

Unit System	Bending Strength, F_b	Tensile Strength, F_t	Shear Strength, F_s	Compressive Strength, f_c	Poisson's Ratio, ν	Young's Modulus, E	Shear Modulus, G	Density, ρ
Metric	25 MPa	12.5 MPa	3.7 MPa	29 MPa	0.4	11,500 MPa	770 MPa	650 kg/m³

PL 12 Wet Use Material Properties

Unit System	Bending Strength, F_b	Tensile Strength, F_t	Shear Strength, F_s	Compressive Strength, f_c	Poisson's Ratio, ν	Young's Modulus, E	Shear Modulus, G	Density, ρ
Metric	20 MPa	10 MPa	2.5 MPa	23 MPa	0.4	9,200 MPa	610 MPa	650 kg/m³

LVL Wood Properties