Characteristics:
▪ centre posts (2 grooves) in northern Redwood
▪ impregnated under pressure
▪ country green
▪ planed on 4 sides
▪ chamfered corners
▪ width of groove : 29mm
▪ effective width : 95mm
▪ depth of groove : 20mm

Dimensions
▪ 13,5x13,5/355