GLULAM GLT TECHNICAL DATA GLULAM GLT SPECIFIC VALUES FOR DIMENSIONING EN 1995-1-1:2010-12, EN 14080:2013 GL 24 GL 28 GL 30 GL 32* Assembly combined (c) / homogeneous (h) Wood Species spruce Manufacture in accordance with EN 14080 Moisture content 9 - 14 % Mechanical grading in accordance with EN 14081-3 Lamella thickness 40 mm Gluing modified melamine resin, light, non-darkening joints Surface quality planed on 4 sides, chamfered edges, visible quality, industrial quality Packaging in packets, can be individually wrapped on request External monitoring Holzforschung Austria Calculatory combustion behavior 0,7 mm / min Emission category < E1 according to EN 14080, test reports on request Fire behavior D-s2, d0 Dimension tolerance width ± 2 mm height ± 2 mm length ± 0,1 % Change in shape axially: 0,01 - 0,02 % per % change in moisture content radially: 0,19 % per % change in moisture content tangentially: 0,34 % per % change in moisture content Heat conductivity 0,13 W/mk Water vapor resistance coefficient µ = 40 * on request Component Combined glulam Homogeneous glulam Strength class GL 24c GL 28c GL 30c GL 32c* GL 24h GL 28h* GL 30h* GL 32h * Strength values (N/mm²) Deflection (ƒm,g,k) 24 28 30 32 24 28 30 32 Tension: parallel (ƒt,0,g,k) 17 19,5 19,5 19,5 19,2 22,3 24 25,6 Tension: at right angles (ƒt,90,g,k) 0,5 0,5 0,5 0,5 0,5 0,5 0,5 0,5 Pressure: parallel (ƒc,0,g,k) 21,5 24 24,5 24,5 24 28 30 32 Strength values (N/mm²) Modulus of elasticity: parallel (E0,g,mean) 11.000 12.500 13.000 13.500 11.500 12.600 13.600 14.200 Modulus of elasticity: at right angles (E90,g,mean) 300 300 300 300 300 300 300 300 Shear modulus: Gg,mean 650 650 650 650 650 650 650 650 Density characteristic values (kg/m³) Density g,k 365 390 390 400 385 425 440 440 * on request
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