... joint panel size be customized swift deliver Sauna board for sauna room,sauna wall board,bench board,floor board,ceiling ... board,antiseptic timber etc.We process and sell sauna rooms,sauna accessories,sauna room wall panels,bench panels,antiseptic wood,preservative ... ,sawn timberTongue and groove sauna boards for sauna room panelrectangle with rounded border for sauna bench and for backrestvarious ...