KERTO-RIPA GLUING FOR EFFICIENCY Structural glued Kerto-LVL components have been developed at Metsä Wood in the 90’s and certified along the years by an European Technical Approval and extended by local approvals in Germany and France. Today several partners have been certified in Europe to offer a CE marked reliable solution for floors and roofs. But why deciding to glue Kerto-S ribs and Kerto-Q panels together? It is all about efficiency! The additional stiffness and strength that structural gluing brings to KertoLVL enable great spans and heavy loads, reducing the height of the elements compared to other common solutions. Moreover, Kerto-LVL based solutions are really efficient using less raw material compared to massive products owing to the excellent yield offered by peeled logs. Beams Kerto-S 45x300 + 22mm OSB : Kerto-Ripa with ribs Kerto-S 45x300 + panel top Kerto-Q 25mm : Kerto-Ripa with ribs Kerto-S 45x300 + panels top and bottom Kerto-Q 25mm : Screwed Equal strength and stiffness Glued deflection = 6,3 mm deflection = 2,7 mm deflection = 1,4 mm Comparison of deflections between simple screwed elements and glued Kerto-Ripa elements Less height = more space Structural gluing can bring 6 times more stiffness than screwing! Structural gluing can decrease volume by 3 ! Structural gluing reduces close to 2 times the height ! Comparison of heights between simple screwed elements and glued Kerto-Ripa elements
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