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Mechanical properties
Product LVL parallel LVL crosswise
Approval
PoLLMeier LVL
LaMinated Veneer LuMber in beech.
s M a r t. s t r o n g .styLish.
Dec. 2012: National technical approval in progress
(DIBt - German Centre of Competence in Civil Engineering)
Description LVL with parallel veneers only LVL with some crosswise veneers
Type of wood Beech
Unit length [m] Max 18
Unit width [m] Max 1.85
Veneer thickness [mm] Target /± tolerance 3.7 / 0.3
Veneer lengths [mm] 1830 / 2530
Scarf joint spacing [mm] Min 65
Adhesive Phenolic resin
Nominal thickness [mm] Min / Max 20 / 85 20 / 85
Strength properties [N/mm²]
Edgewise bending (300 mm) f m,k,edge 70 60
Flatwise bending f m,k,0,flat 65 45
Tension, parallel to grain f t,k,0 70 40
Tension, perpendicular to grain f t,k,90 1.5 17
Compression, parallel to grain f c,k,0 50 29
Compression, perp. to grain f c,k,90 14 14
Compression, perp. to glue joint f c,k,90, 10 10
Shear to be determined
Notching to be determined
Stiffness values [N/mm²]
Modulus of elasticity E / E 0,mean 0,05 16,800 / 14,900 13,800 / 12,500
Modulus of elasticity E 90,mean 470 4,400
Modulus of shear G mean to be determined to be determined
density [kg/m³]
Density [kg/m³] p 0,05 680 680

data sheet
PerformaNce iN caSe of fire
Fire classification
Mass burning rate 0.68 mm / minute
formaLdeHYde cLaSS
Gas analysis method DIN EN 717-2
based on DIN EN 13501-1 D2, normally flammable, no dripping,
average smoke development
In terms of formaldehyde emission, laminated beech veneer reliably meets the limit requirements of Section 1 (3) of the German
Chemicals Prohibition Ordinance (ChemVerbotsV) and the material parameters and complies with formaldehyde class E1 in
accordance with DIN EN 14374, Annexe C, Table C.1.
certificatioN
PEFC certification �
otHer ParameterS
Thermal capacity [c] c = 2021 J / kg · K
Thermal conductivity [λ] λ = 0,2 W / K · m
Water vapour resistance [µ] µ = 40
Utilisation class 1 + 2
Wood moisture content between 8 -10 %
Swelling and shrinkage behaviour
parallel to grain:
0.01 % for each 1 % change of moisture content below fibre saturation point
perpendicular to grain:
0.41 % for each 1 % change of moisture content below fibre saturation point
Pollmeier Massivholz GmbH & Co.KG • Pferdsdorfer Weg 6 • 99831 Creuzburg • Germany
Tel. +49 36926 945-0 • Fax +49 36926 945-100 • www.pollmeier.com
PoLLMeier LVL
LaMinated Veneer LuMber in beech.
s M a r t. s t r o n g .styLish.