LVL Scaffolding Board 1.Material:poplar,pine,hardwood 2.Certificate:ISO9001,CARB ... .GlueWBP, MR, E1, E2, MelamineMaterialPoplar, Pine,, HardwoodGradeConstruction,Joint WayOverlap joint, end joint, scarf joint, finger jointUsageConstruction,Feature:1) High bending strength2 ... produces are suitable for the construction of viaduct and tall frame buliding9) If put in boilding water for 48 hours, it ...