1. LVL AS A CONSTRUCTION MATERIAL Figure 1.54. Moisture protection treatment of LVL-P beams by Stora Enso. Figure 1.55. Multiple-glued GLVL beams and panels. Metsä Wood Metsä Wood Stora Enso Figure 1.53. Moisture protection treatment WeatherGuard®, Metsä Wood. 1.7.6 Multiple-glued members, GLVL Hot press gluing of LVL is feasible up to max. 75 mm product thickness, but larger thicknesses can be produced by multiple gluing of LVL laminas to produce GLVL. Multiple-glued GLVL members can achieve glulam beam dimensions. Wide panels can also be multiple-glued. Maximum thickness is limited in practice to around 500 mm by the capacity of saw units and lifting devices. PU, MUF and PRF adhesives that do not need hot pressing and that are approved for load-bearing structures can be used for multiple gluing of GLVL. LVL Handbook Europe 37
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