Sauna Wood
Showing 51–89 of 89 resultsSorted by price: low to high
1X5 Alder STS4 Wall Cladding – Natural Sauna Wood by Thermory
Price range: $5.41 through $324.60Wide plank alder is a solid choice for any traditional Finnish sauna. Natural alder is naturally resistant to water and a favorite among sauna builders who prefer a timeless, classic look with mild aroma.
Actual wall coverage is 4.3″.
Thermo-Alder Wall Paneling 1×5 STS4 – Sauna Wall and Ceiling Wood By Thermory
Price range: $5.41 through $324.60Wide plank 1×5 thermo-alder is an exceptional sauna wall material that can be installed vertically or horizontally. The natural brown tone provides a classic, upscale sauna look. Thermally modified alder is one of the best-performing sauna woods, with a warm tone, unbeatable performance, and timeless appeal. The minimal expansion and contraction of Thermo-Alder allows for tight, seamless transitions without molding.
5/4 x 4 SHP Alder Bench, Backrest, and Skirt Sauna Wood
Price range: $5.46 through $246.00Alder 1×4 SHP Bench material is the classic choice for a timeless sauna. With subtle yet appealing tone and aroma, Alder is the perfect natural sauna material with moisture wicking properties. Recommended Uses: Sauna benches, backrests, and skirting.
1×4 Bench Boards are an easy and low-cost way to build a premium sauna bench framed with standard 2x4s and decked with these .83″ thick boards horizontally or vertically. See below for our framing suggestion.
Thermo-Spruce Sauna Bench and Floor Wood – 5/4 SHP Sauna Wood By Thermory
Price range: $5.55 through $222.00One of our missions at Sauna Marketplace is to make it more affordable to build a DIY sauna without compromise. Sauna bench wood has always been a barrier, but this 5/4 SHP Bench profile from Thermory makes it easier than ever.
Intense natural modification using heat and steam alters this Nordic Spruce at a cellular level, resulting in a more durable and healthy choice than Western Red Cedar at a fraction of the price. Unlike WRC, this Thermo-Spruce won’t warp, expand, contract, or cup.
Recommended Uses: Sauna benches, backrests, flooring, and skirting. These 1.0″ thick sauna bench boards are thick enough to build the frame, but we recommend using standard 2x4s for that. See detail below.
Thermory 5/4 SHP Thermo-Aspen Sauna Bench and Floor Wood
Price range: $5.70 through $228.00Thermory Thermo-Aspen 5/4 (previously called 2×4) SHP Bench material is the perfect smooth, cool timber to feel against bare skin. Because it doesn’t secrete resin, splinter or overheat, aspen makes for an ideal sauna material. The color of thermally modified aspen is an attractive golden brown. Thermally modified wood resists rotting, expansion, contraction, warping, and cupping. Recommended Uses: Sauna benches, backrests, flooring, and skirting.
These 1.1″ thick sauna bench boards are thick enough to build the frame, but we recommend using standard 2x4s for that. See detail below.
PROSAUNAS Aspen Groove-S 1X3 T&G Wall Cladding – Sauna Wood
Price range: $5.87 through $58.77Narrow boards, crisp shadow lines, a lot of personality in a small footprint. The Groove-S is a 1×3 tongue-and-groove in natural aspen: 15mm thick, 60mm wide, 47mm of coverage per board, with precision-milled fluted slats that give a wall real visual texture. Aspen means pale, cool, resin-free. This profile means the room looks like a decision was made, not just a box lined with boards. Sold by the linear foot in 1, 5, and 10 ft lengths.
PROSAUNAS Thermo-Spruce 2X6 S4SEE SHP Bench, Backrest & Skirting – Sauna Wood
Price range: $5.87 through $58.73Ben sided his own house in thermo-spruce. That tells you something. This is the 2×6 bench board in thermally modified Nordic spruce, 1.02″ thick by 5.51″ wide, and it’s the classic budget build starting point. Rich amber color, tight knots, a rustic look that’s not for everybody but that a lot of people flat-out love. The thermal modification (heat and steam, no chemicals) gives it the same moisture resistance and stability you get in thermo-aspen, at a lower entry price. Strong, rot-resistant, and good for benches and floors. The classic move is thermo-spruce walls with thermo-aspen benches. Sold by the linear foot.
Dark Thermo-Alder 5/4×4 SHP Bench, Backrest, and Skirt Sauna Wood – Intense Modification by Thermory
Price range: $5.88 through $235.00Dark Thermo-Alder 5/4 SHP Bench material is a perfect choice for sturdy, warm-tone benches that are smooth to the touch. This dark-tone thermo-aspen is more brown and woodsy looking than thermo-aspen. Ideal for a more traditional cabin-sauna or cottage feel.
5/4×4 Bench Boards are an easy and low-cost way to build a premium sauna bench framed with standard 2x4s and decked with these 1.1″ thick boards horizontally or vertically. See below for our framing suggestion.
PROSAUNAS Thermo-Aspen Groove-S 1X3 T&G Wall Cladding – Sauna Wood
Price range: $5.98 through $59.84Narrow boards, strong lines, a wall that looks expensive. The Groove-S in thermo-aspen is a precision-milled 1×3 T&G cladding, 0.59″ thick, with a tight shadow groove that turns an ordinary sauna wall into something with real visual snap. At 2.1″ coverage per board, you get a lot of linear rhythm per square foot. The thermo-aspen color, warm golden-brown, runs all the way through, so trimmed ends match the face and nothing reads as patchwork. Knot-free, no resin, stays cool. Pairs well with thicker profiles as a contrast element. Sold by the linear foot.
Thermory 5/4×4 SHP Thermo-Alder Bench, Backrest, and Skirt Sauna Wood
Price range: $6.09 through $243.00Thermo-Alder 5/4 SHP Bench material is a great choice for sturdy, warm-tone benches that are smooth to the touch. This mid-tone thermo-aspen is more brown and woodsy looking than thermo-aspen. Ideal for a more traditional cabin-sauna or cottage feel (an even darker, intensely modified thermo-alder is also available).
5/4×4 Bench Boards are an easy and low-cost way to build a premium sauna bench framed with standard 2x4s and decked with these 1.1″ thick boards horizontally or vertically. See below for our framing suggestion.
PROSAUNAS Western Red Cedar 1/2X4 VG T&G V2E Wall Cladding – Sauna Wood
Price range: $6.15 through $79.87For years we steered people away from cedar. Then a clear vertical-grain run came through worth carrying. This is Western Red Cedar 1/2×4 with a V-joint, knot-free A+ grade, milled for sauna walls and ceilings. It’s the wood Americans picture when they picture a sauna: the warm reddish tone, the aroma that shows up the second the room heats. We carry it for the look-and-smell buyer who wants the classic done right, and we’ll tell you straight where thermo wood holds up better. Sold by the linear foot.
PROSAUNAS Thermo-Aspen 2X4 S4SEE SHP Bench, Backrest & Skirting – Sauna Wood
Price range: $6.15 through $61.45A clean, comfortable bench board in the everyday width. Thermo-aspen milled at 2×4, surfaced on all four sides with eased edges so there is nothing sharp where you sit, 3.54″ wide and 1.1″ thick. Aspen does not bleed resin, does not splinter, and sits cool under bare skin even when the room is hot. The thermal modification, heat and steam and nothing else, takes it to a golden brown and stops the movement that opens gaps over the years. Aspen is the bench wood we sell more of than any other. Sold by the linear foot.
1X5 Thermo-Aspen STS4 Wall Cladding – Thermally Modified Sauna Wood by Thermory
Price range: $6.18 through $370.80Wide plank Thermally Modified Aspen (TASP) is an elegant wall and ceiling cladding for saunas that has been meticulously processed using only heat and steam by Thermory, the global leader in Thermal Modification. The result is a darkened, smooth wood that won’t shrink, warp, cup, or rot when properly installed. Choose this profile for a classic sauna look that’s more refined than typical North American saunas.
Working with Tongue and Groove STS4 is a delight for contractors and DIY Sauna Builders alike. We’re not exagerating that every builder we work with has found the quality and consistency to be truly remarkable. At Sauna Marketplace, we make it easy with matching benches, backrests, bench skirts, vent hatches, floor grids, and more.
Actual wall coverage is 4.3″.
1X5 Brushed Black Alder STS4 Wall Cladding – Sauna Wood by Thermory
Price range: $6.52 through $391.20Looking for a smooth, black sauna wood with a professional finish? The wire-brushed black wax alder by Thermory is a perfect choice for a durable finish. Whether contrasting with woods like thermo-aspen or going all dark for the ancient ‘smoke sauna’ look this STS4 1×5 is an ideal choice for a wide plank wall and ceiling cladding. Actual wall coverage is 4.4″.
Note: Brushed black alder does NOT have the burnt Shou Sugi Ban (yakisugi) look as other websites incorrectly show. Please ask us about ‘Thermory Ignite’ for that.
PROSAUNAS Alder 1X5 T&G STS4 Wall Cladding – Sauna Wood
Price range: $6.54 through $65.45
PROSAUNAS Aspen 1X5 T&G STS4 Wall Cladding – Sauna Wood
Price range: $6.68 through $66.81
PROSAUNAS Aspen 2X4 S4SEE SHP Bench, Backrest & Skirting – Sauna Wood
Price range: $6.68 through $66.81
PROSAUNAS Thermo-Aspen 1X5 T&G STS4 Wall Cladding – Sauna Wood
Price range: $6.76 through $67.58A little more width, a little more calm. The 1×5 STS4 in thermo-aspen is a tongue-and-groove board, 0.59″ thick, milled 4.72″ wide for 4.3″ of coverage per row, so the wall reads with fewer seams across a given run. The thermal modification gives it a warm golden-brown tone all the way through, so cut ends match the face. Knot-free, no resin, stays cool to the touch. A clean choice when you want a broad, quiet wall. Sold by the linear foot.
Dark Thermo-Alder Wall Paneling 1×5 STS4 – Intense Thermal Modification Sauna Wood by Thermory
Price range: $6.87 through $412.20Thermal modification darkens wood, and intense thermal modification darkens wood even more. It also takes the benefits of thermal modification to the next level.
Wide plank 1×5 thermo-alder is an exceptional sauna wall material that can be installed vertically or horizontally. The natural brown tone provides a classic, upscale sauna look. Thermally modified alder is one of the best-performing sauna woods, with a warm tone, unbeatable performance, and timeless appeal. The minimal expansion and contraction of Dark Thermo-Alder allows for tight, seamless transitions without molding.
Aspen Sauna Bench Boards — SHP — 5/4×4 — Plain Aspen (Not Thermally Modified)
Price range: $6.87 through $274.00Plain Aspen SHP bench boards—smooth, comfortable, and cool to the touch. Aspen’s pale grain resists splintering and resin. Not thermally modified.
PROSAUNAS Western Red Cedar 1X4 VG S4SEE Bench, Backrest & Skirting – Sauna Wood
Price range: $7.48 through $74.80For years we steered people away from cedar. Then a clear vertical-grain run came through worth carrying. This is Western Red Cedar 1×4 VG S4SEE bench board, knot-free A+ grade, milled in Canada, 0.69″ thick and 3.5″ wide. It’s the bench face the classic sauna crowd wants: warm reddish tone, smooth texture, and that cedar aroma that hits you when the room heats. We waited because modern cedar quality slipped while prices climbed. We carry it now because this grade is actually worth installing. One honest note: cedar runs warmer to the touch than aspen under real heat. If cool skin contact is the priority, aspen benches with cedar walls is a better combo. Sold by the linear foot.
PROSAUNAS Hemlock 1X6 VG S4SEE Bench, Backrest & Skirting – Sauna Wood
Price range: $7.48 through $52.36Six inches of pale, clear hemlock bench board. This is Hemlock 1×6 VG S4SEE: 0.69″ thick, 5.44″ wide, clear A+ grade, straight grain, no knots, almost no scent. Milled in Canada. The wider face means fewer boards on a bench, fewer gaps to manage, and a surface that reads as one clean piece from where you sit. We stock hemlock now because we found a clear grade worth standing behind. The light straw color is the point: it makes a modern, neutral room feel intentional, not default. One note: wide hemlock boards can pick up a mild yellow shift under artificial light over time, more noticeable than on narrower stock. Sold by the linear foot.
Modern, Thermally Modified Magnolia — STS10 Shadow‑Line Wall Paneling
Price range: $9.36 through $671.56Thermally modified magnolia sauna wood with the STS10 shadow-line profile for wide-plank sauna walls and ceilings. Choose 1×6 (5.4″ face coverage) or 1×7 (6.4″ face coverage); both .59″ thick, smooth and unoiled, installed with hidden staples. Free samples available.
PROSAUNAS Hemlock 2X4 VG S4SEE Bench, Backrest & Skirting – Sauna Wood
Price range: $10.29 through $102.85Thick, pale, and honest about what it is. Hemlock 2×4 VG S4SEE is 1.5″ of clear, knot-free hemlock bench stock, 3.5″ wide, surfaced and eased, milled in Canada. At this thickness the bench edge reads as a real piece of wood, not a veneer. Low resin, even texture, almost no scent. We stock the clear VG grade because it’s the one we’d use. Honest note: hemlock at 1.5″ thick moves more through the heat cycle than thermo-aspen, and over years small gaps can open at the joints. For tight long-term joints, thermo-aspen is a better bet. For a pale, modern bench in clear North American wood, this is a good board. Sold by the linear foot.
PROSAUNAS Alder 2X6 S4SEE SHP Bench, Backrest & Skirting – Sauna Wood
Price range: $10.68 through $106.85Wide-board alder bench material, and it reads completely differently than the 2×3. At 5.51" wide (140mm), each board is a statement. Same natural alder warmth: reddish-brown, fine grain, a soft honey scent when steam hits it. Milled in Estonia to S4SEE spec, 1.1" thick, eased edges on all four sides. Water-repellent, stays cool under bare skin, E1 certified. If you want a bench or backrest that reads as one clean, warm surface rather than a field of narrow slats, this is your board. Sold by the linear foot in 1, 9, and 10 ft lengths.
PROSAUNAS Aspen 2X6 S4SEE SHP Bench, Backrest & Skirting – Sauna Wood
Price range: $11.08 through $110.87Wide bench board, pale aspen, eased edges. The 2×6 S4SEE is 28mm thick and 140mm wide: three boards across a standard 18-inch bench deck and you’re done, with almost no slat gaps breaking up the surface. Aspen stays cool to the touch, never bleeds resin, and shows no splintering. We sell more aspen bench wood than any other species. This is the wide version for a clean, uninterrupted bench surface. Sold by the linear foot in 1 and 10 ft lengths at $11.08/lf, milled in Estonia.
PROSAUNAS Alder 3X3 S4SEE SHP Bench, Backrest & Skirting – Sauna Wood
Price range: $11.62 through $92.96The leg of the operation. This is the 3×3 glulam alder bench support, 2.68" square, engineered from natural alder for the structural parts of a sauna bench. Not a finish piece: it’s what holds everything up. Same warm reddish-brown alder, same E1 certification, milled in Estonia. At 2.68" x 2.68" (68mm x 68mm), it’s got the cross-section to handle bench loads without flex. Matches the alder bench board family if you want the whole structure in one species. Sold by the linear foot in 1 and 8 ft lengths.
PROSAUNAS Aspen 3X3 S4SEE SHP Bench, Backrest & Skirting – Sauna Wood
Price range: $11.62 through $92.9668mm square, surfaced smooth on all four sides. The aspen 3×3 S4SEE is a bench board that’s a true square in cross-section: 2.68″ thick and 2.68″ wide. That’s the profile for a chunky, solid-looking bench deck or a structural backrest leg. Aspen, so it’s pale, cool to the touch, and resin-free. The square stock also works as a bench support rail where you want the wood exposed, not hidden. Sold by the linear foot in 1 and 10 ft lengths at $11.62/lf, milled in Estonia.
PROSAUNAS Thermo-Aspen 3X3 S4SEE SHP Bench, Backrest & Skirting – Sauna Wood
Price range: $11.62 through $92.96Bench legs that don’t need to be babied. The 3×3 thermo-aspen is a glulam engineered bench support, 2.68″ square on both faces, built to carry weight in a wet, hot room for years without moving. Same thermal modification as everything else in our thermo line: heat and steam, no chemicals, golden-brown color that runs all the way through the wood. Strong, stable, and cool to the touch. Order your bench boards and these together and the whole system ships as one delivery. Sold by the linear foot, free samples available.
PROSAUNAS Thermo-Aspen 2X6 S4SEE SHP Bench, Backrest & Skirting – Sauna Wood
Price range: $11.89 through $118.92The bench wood we have the most opinions about. Thermally modified aspen, milled wide at 2×6 so a bench or backrest reads as one clean surface. Aspen doesn’t bleed resin, doesn’t splinter, and sits cool under bare skin even when the room is ripping. The thermal modification (heat and steam, nothing else) takes it to a golden brown and stops the expansion that opens gaps over the years. Aspen is the wood we sell more of than any other, season after season. Pair it with thermo-aspen or thermo-spruce walls for the matched look.
PROSAUNAS Western Red Cedar 1X6 VG S4SEE Bench, Backrest & Skirting – Sauna Wood
Price range: $14.16 through $113.27Wide benches read differently. A 5.44″ board shows less joint, more wood, and the cedar grain has room to do something. This is Western Red Cedar 1×6 VG S4SEE in clear vertical grain, knot-free A+ grade, milled in Canada. At 0.69″ thick, it’s the wider face of our cedar bench line and it makes a single-board backrest or a bench seat with far fewer pieces to install. We waited to carry cedar until we found a clear grade we’d actually put in our own build. The honest note: cedar runs warmer to the touch than aspen at full heat, and it moves more through the heat-and-cool cycle than thermally modified wood. For the classic cedar look at width, this is the board. Sold by the linear foot.
PROSAUNAS Western Red Cedar 2X4 VG S4SEE Bench, Backrest & Skirting – Sauna Wood
Price range: $14.82 through $148.27Thick cedar bench boards in clear grade are not easy to find anymore. This is Western Red Cedar 2×4 VG S4SEE: 1.5″ thick, 3.5″ wide, knot-free vertical grain, surfaced and eased, milled in Canada. It’s the bench board for the builder who wants the full cedar package done at a quality level that won’t embarrass the rest of the build. The aroma is the real thing, the grain is clean, and the 1.5″ thickness gives the bench a visual weight that thinner boards don’t. Honest note: at roughly 3x the cost of thermo-aspen, this is a high-cost choice, and thermo wood holds its joints tighter over the years. But if clear cedar 2×4 bench stock is what you’re after, this is it. Sold by the linear foot.
Thermo-Magnolia Wide Sauna Bench Board 5/4×8 SHP
Price range: $18.26 through $730.40These extra-wide bench boards in exquisite thermo-magnolia will add a touch of comfort while enhancing the look of your home. The rich, dark shade is achieved by thermal modification giving magnolia an exclusive, stately finish. Create your dream sauna or high-end sauna space.
If you want to something a little ‘extra’, we think this is the most premium sauna bench material on the market. Magnolia has attractive grain patterns, low thermal conductivity, and resists warping and cupping making it perfect as a wide-plank premium sauna bench material that won’t splinter. This is also the widest plank sauna bench material available in North America, coming in at 7.3″ of actual width.
Alder Wall To Wall Flat T Transition Trim
$34.80Need longer wall cladding boards in alder than those available by Thermory? We make those transitions easy with this T moulding to avoid gaps with a professional look. Common on walls and ceilings in commercial saunas.
Note: These will arrive directly from Thermory USA in bundles of two in 7′ and 8′ lengths.
PROSAUNAS Western Red Cedar 4X4 S4S Bench, Backrest & Skirting – Sauna Wood
Price range: $88.15 through $176.31The part of the bench nobody photographs but everyone sits on. Western Red Cedar 4×4 S4S is a 3.5″ x 3.5″ structural post, surfaced four sides, milled in Canada. The bench leg. Cedar at this dimension is naturally rot-resistant without any treatment, which matters in a room that runs wet and hot. Available in 3, 4, 5, and 6 ft lengths to match common bench heights. Honest note: cedar posts move more through the heat cycle than steel, so snug your fasteners after the first season. A cedar frame with cedar bench stock means matched wood tones and no species mismatch. Sold by the linear foot.
Prebuilt Bench Skirt by Thermory
$275.00It’s easier than ever to complete your sauna with a prebuilt sauna bench skirt in thermally modified Aspen or Alder.
Prebuilt Sauna Bench Modules
$327.60Prebuilt sauna bench modules make it easier than ever to create a high-end DIY sauna in any space. Expandable to any size, and taking corners seamlessly with degree fan-modules that be nearly impossible to build on site.
Thermory Prebuilt Sauna Backrest
$330.00Ready-to-install sauna backrests from Thermory – the quick and easy solution in good taste. Pairs perfectly with our prebuilt bench modules to make the DIY sauna easier with a more professional result.
Custom DIY Sauna Package
DIY Sauna Packages allow you to get the most use of your space. Requires a framed/gutted wall with mineral wool insulation. This DIY sauna package guarantees wall coverage without defects. Comes with vent covers, radiant barrier, bucket, ladle, headrest, thermometer, and hygrometer. It also includes expert advice throughout your project. Perfect for indoor conversion or outdoor builds. We recommend selecting ‘Invoice Me’ at checkout, followed by a sauna consultation so we can rush you free samples.
*NOTE: This particular option does not allow you to select the brand or manufacturer in advance. Sauna Marketplace selects the best available material for the project from our partners using available stock already in USA (no tariffs or delay). We will provide a detailed inventory and timeline before finalizing the order. You can cancel for a full refund before you give that final approval.
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