Prosaunas Sauna Wood, Thermally-Modified, Tongue & Groove, STS4 Profile, Nickel-Gap, Wall Material

PROSAUNAS Thermo-Spruce tongue and groove 1x4 STS4 profile creates a bold look, and is recommended for sauna walls and ceilings. Thermo-Spruce wood has a smooth refined finish and a traditional rustic charm with its characteristic rich amber color and highly figured knotty look.