Kingspan SPU Sauna is suitable for insulating sauna walls and ceilings as well as the ceiling surfaces of other rooms containing plumbing. The insulation boards can also be used in other spaces as the interior insulation layer of structures with panel cladding. Kingspan SPU Sauna is suitable for use in new building and renovation alike. Board sizes: 600 x 1200 mm. Thickness: 30 mm.