ProSaunas

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ProSaunas — Sauna-Grade Wood, Vapor Barrier & Building Materials ProSaunas supplies premium sauna-grade lumber and building materials for custom DIY sauna builds. If you're building a sauna room from scratch — framing out a closet, basement, bathroom, or outdoor structure — ProSaunas provides the wall cladding, bench boards, trim molding, vapor barrier, and lighting you need to finish the interior. All ProSaunas wood is specifically graded and selected for sauna use: kiln-dried, smooth-sanded, and free of the resins and knots that cause problems in high-heat environments. Available in multiple wood species and profiles to match your design vision. Free shipping on all ProSaunas products, 0% APR financing available. Planning a custom sauna build? Our complete DIY sauna room kits bundle all the materials you need in one package. If you prefer to source individual components, browse the ProSaunas catalog below. Wall & Ceiling Cladding ProSaunas offers wall and ceiling cladding in multiple wood species and joint profiles. Cladding is the interior surface material that covers your framed and insulated sauna walls — it's what you see and touch when you're inside the sauna. Choose your wood species based on aesthetics, aroma preference, and budget, then select a joint profile that matches your design style. Cedar Cladding — Clear Grade A+ Western Red Cedar with vertical grain. Cedar is the classic sauna wood — naturally aromatic, moisture-resistant, and decay-resistant with a warm reddish-brown color. Available in 1"×4" Nickel Gap (narrow groove between boards for a modern look), 1"×4" V-Gap (traditional V-joint), 1"×6" V-Gap (wider boards), and 1"×4" Tongue & Groove profiles. Shop all sauna wood . Hemlock Cladding — Canadian Hemlock with a clean, straight grain and light straw color. Hemlock doesn't warp in sauna conditions, radiates heat evenly, and produces a delicate, relaxing aroma that's subtler than cedar. A popular choice for buyers who want a lighter,