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    PROSAUNAS Western Red Cedar 1X6 VG S4SEE Bench, Backrest & Skirting – Sauna Wood

    Price range: $14.16 through $113.27

    Wide 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.

    This product has multiple variants. The options may be chosen on the product page

    PROSAUNAS Western Red Cedar 1X4 VG S4SEE Bench, Backrest & Skirting – Sauna Wood

    Price range: $7.48 through $74.80

    For 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.

    This product has multiple variants. The options may be chosen on the product page

    PROSAUNAS Aspen Groove-S 1X3 T&G Wall Cladding – Sauna Wood

    Price range: $5.87 through $58.77

    Narrow 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: 0.59 in thick, 2.4 in wide, 1.9 in 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.

    This product has multiple variants. The options may be chosen on the product page

    PROSAUNAS Aspen Grace™ 2X3 T&G Wall Cladding – Sauna Wood

    Price range: $4.81 through $48.08

    You won’t find this profile from most mills. Grace is a wide-grooved designer tongue-and-groove, 1.1 in thick and 2.5 in wide, with a 2.2 in coverage and a shadow reveal that reads architectural rather than just “sauna wall.” It’s aspen, so the tone is pale, the surface is resin-free and smooth, and the room stays bright. We carry Grace because when a customer wants a contemporary room that looks considered, not just lined, this is what gets them there. Sold by the linear foot in lengths from 1 to 10 ft.

    This product has multiple variants. The options may be chosen on the product page

    PROSAUNAS Aspen 1X4 T&G STS4 Wall Cladding – Sauna Wood

    Price range: $4.41 through $44.08

    The Scandinavian default, and ours too. This is natural aspen tongue-and-groove wall cladding, STS4 profile, milled in Estonia at 0.59 in thick and 3.5 in wide with 3.1 in of coverage per board. Pale, bright, no resin, no splintering, and cool to the touch even when the room is running at full temperature. We sell more aspen than any other wood, year after year, because it works: it reads clean in any lighting, it pairs with every heater finish, and nobody is allergic to it. Sold by the linear foot in lengths from 1 to 10 ft.

    This product has multiple variants. The options may be chosen on the product page

    PROSAUNAS Aspen 2X2 VA Outside Corner Trim – Sauna Wood

    Price range: $3.07 through $24.57

    Outside corners on a sauna wall are a small detail with a noticeable finish impact. The aspen 2×2 VA outside corner trim wraps the convex corner where two clad surfaces meet on the exterior angle: 1.1 in on both faces, in pale natural aspen that matches the wall boards. It gives the corner a finished look and protects the raw edge of the cladding at the same time. Sold by the linear foot in 1 and 10 ft lengths at $3.07/lf, milled in Estonia.

    This product has multiple variants. The options may be chosen on the product page

    PROSAUNAS Aspen 2X2 S4SEE SHP Moulding & Trim – Sauna Wood

    Price range: $3.20 through $32.05

    1.1 in square, eased edges, four smooth faces. The aspen 2×2 S4SEE moulding is the heavier finishing piece: thicker than the 1×1 at 1.1″ square, with enough visual presence to anchor a ceiling line or a bench-frame transition. Same pale natural aspen as the cladding, so it blends rather than competes. The detail that separates a lined room from a finished room is usually this piece, or its absence. Sold by the linear foot in 1 and 10 ft lengths at $3.60/lf, milled in Estonia.

    This product has multiple variants. The options may be chosen on the product page

    PROSAUNAS Aspen 1X2 T-Moulding Moulding & Trim – Sauna Wood

    Price range: $2.54 through $20.31

    The T-moulding is the piece most people forget to order until the bench is built and there’s an exposed edge staring back at them. This is the ProSaunas aspen 1×2 T-moulding: 0.67 in thick, 1.3 in wide, in pale natural aspen that matches our cladding and bench boards. It covers raw edges cleanly, sits flush where two surfaces meet at a seam, and disappears into the room the way good trim should. Sold by the linear foot in 1 and 10 ft lengths at $2.54/lf, milled in Estonia.

    This product has multiple variants. The options may be chosen on the product page

    PROSAUNAS Aspen 1X1 S4SEE SHP Moulding & Trim – Sauna Wood

    Price range: $2.13 through $17.09

    Small piece, big finish difference. The aspen 1×1 S4SEE is a 0.83 in square moulding, surfaced smooth on all four sides with eased edges, and it’s what turns a clad sauna wall from a room with boards on it into a room that looks finished. Cap a horizontal run, cover a ceiling-to-wall seam, hide a gap where wall meets bench frame: this is the piece. Pale aspen, resin-free, cool to the touch. Sold by the linear foot in 1 and 10 ft lengths at $2.13/lf, milled in Estonia.

    This product has multiple variants. The options may be chosen on the product page

    PROSAUNAS Aspen 1X2 SI Inside Corner Trim – Sauna Wood

    Price range: $1.61 through $12.83

    Inside corners are where most DIY sauna cladding jobs show their work. The aspen 1X2 SI inside corner trim is the piece that covers the raw edges where two clad walls meet at an interior corner: 0.55 in thick, 1.2 in wide, in pale natural aspen that matches the wall boards. Simple, clean, and it makes a corner look like it was planned rather than improvised. Sold by the linear foot in 1 and 10 ft lengths at $1.61/lf, milled in Estonia.

    This product has multiple variants. The options may be chosen on the product page

    PROSAUNAS Aspen 1X2 UK Door Trim – Sauna Wood

    Price range: $3.07 through $24.57

    Every clad sauna room has a door, and the door surround is where the cladding either reads finished or reads unfinished. This is the ProSaunas aspen 1×2 UK door trim: 0.47 in thick, 1.7 in wide, in natural aspen that matches the wall boards. It wraps the door opening cleanly and covers the raw edge of the cladding at the reveal. Aspen stays cool, has no resin, and takes paint or a clear finish equally well. Sold by the linear foot in 1 and 10 ft lengths at $3.07/lf, milled in Estonia.

    This product has multiple variants. The options may be chosen on the product page

    PROSAUNAS Aspen 3X3 S4SEE SHP Bench, Backrest & Skirting – Sauna Wood

    Price range: $11.62 through $92.96

    2.7 in 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 8 ft lengths at $11.62/lf, milled in Estonia.

    This product has multiple variants. The options may be chosen on the product page

    PROSAUNAS Aspen 2X6 S4SEE SHP Bench, Backrest & Skirting – Sauna Wood

    Price range: $11.08 through $110.87

    Wide bench board, pale aspen, eased edges. The 2×6 S4SEE is 1.1 in thick and 5.5 in 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.

    This product has multiple variants. The options may be chosen on the product page

    PROSAUNAS Aspen 2X3 S4SEE SHP Bench, Backrest & Skirting – Sauna Wood

    Price range: $4.14 through $41.40

    Bare skin at 185 degrees, and this board stays comfortable. The 2×3 aspen bench board, surfaced four sides with eased edges, is the narrow bench option: 1.1 in thick, 2.6 in wide, smooth and resin-free. It’s the right choice for a backrest, a skirting run, or a bench deck where you want slender gaps and a clean, quiet look. We sell more aspen bench wood than any other species, season after season. Sold by the linear foot in 1 and 10 ft lengths at $4.14/lf. Milled in Estonia.

    This product has multiple variants. The options may be chosen on the product page

    PROSAUNAS Alder Grace™ 2X3 T&G Wall Cladding – Sauna Wood

    Price range: $4.81 through $38.47

    The wall profile that makes people stop and ask what species that is. Grace is a wide tongue-and-groove with a precision shadow reveal, and in natural alder the warm reddish-brown tone makes those grooves pop. Each board is 2.52" wide with 2.2" net coverage, milled in Estonia to 1.06" thick. Dramatic for a wall, clean for a ceiling, honestly different from the usual sauna paneling. Pairs with any alder bench board for a matched room. Sold by the linear foot in 1 and 8 ft lengths.

    This product has multiple variants. The options may be chosen on the product page

    PROSAUNAS Alder 2X2 VA Outside Corner Trim – Sauna Wood

    Price range: $3.07 through $24.57

    Outside corners are the exposed edges, which means they’re what people see and touch first. This is the alder VA outside corner trim: 1.1" square (1.1 in x 1.1 in), angle-molded to wrap outside corners cleanly in natural alder. Same warm reddish-brown tone as the rest of the ProSaunas alder family, milled in Estonia, E1 certified. Beefier than the inside corner piece at the same 1.1" section, which makes sense: outside corners take contact. At $3.07 per linear foot it finishes the room where the finish matters most. Sold by the linear foot in 1 and 8 ft lengths.

    This product has multiple variants. The options may be chosen on the product page

    PROSAUNAS Alder 2X2 S4SEE SHP Moulding & Trim – Sauna Wood

    Price range: $3.07 through $30.72

    The trim piece that pulls a room together. This is the alder 2×2 S4SEE moulding: 1.1" square (1.1 in x 1.1 in), surfaced four sides with eased edges, milled in Estonia from natural alder. Use it to cap bench edges, frame out a heater enclosure, or add a furniture-quality line wherever you need one. Warm reddish-brown tone matches the alder bench and cladding family exactly. At $3.48 per linear foot it’s the least glamorous piece in the room, but the room looks noticeably better with it. Sold by the linear foot in 1, 8, 9, and 10 ft lengths.

    This product has multiple variants. The options may be chosen on the product page

    PROSAUNAS Alder 1X2 SI Inside Corner Trim – Sauna Wood

    Price range: $1.36 through $10.90

    Corners make or break a cladded room. This is the alder SI inside corner trim: 0.55" thick by 1.18" wide (0.55 in x 1.2 in), milled in Estonia to close out the inside corners where two cladded walls meet. Without it, the cladding ends look ragged. With it, the room reads furniture-quality. Natural alder, warm reddish-brown, E1 certified, and at $1.36 per linear foot it’s the lowest-cost piece in the alder family. Sold by the linear foot in 1 and 8 ft lengths.

    This product has multiple variants. The options may be chosen on the product page

    PROSAUNAS Alder 1X2 UK Door Trim – Sauna Wood

    Price range: $3.07 through $24.57

    Every sauna door looks better with this on it. The alder 1×2 UK door trim, 0.47" thick by 1.65" wide (0.47 in x 1.7 in), milled in Estonia from natural alder for clean, finished doorway edges. This is the piece that makes the transition from framing to cladding look intentional. Warm reddish-brown alder tone, fine grain, E1 certified. Water-repellent and cool to the touch. It’s a finishing detail, not a structural piece, but a sauna doorway without it reads unfinished. Sold by the linear foot in 1 and 8 ft lengths.

    This product has multiple variants. The options may be chosen on the product page

    PROSAUNAS Alder 3X3 S4SEE SHP Bench, Backrest & Skirting – Sauna Wood

    Price range: $11.62 through $92.96

    The 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", 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.

    This product has multiple variants. The options may be chosen on the product page

    PROSAUNAS Alder 2X6 S4SEE SHP Bench, Backrest & Skirting – Sauna Wood

    Price range: $10.68 through $106.85

    Wide-board alder bench material, and it reads completely differently than the 2×3. At 5.51" wide (5.5 in), 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.

    This product has multiple variants. The options may be chosen on the product page

    PROSAUNAS Alder 2X3 S4SEE SHP Bench, Backrest & Skirting – Sauna Wood

    Price range: $4.00 through $40.07

    Sit on it for five minutes and you’ll understand why Finland has been using alder on benches for a hundred years. This is the 2×3 S4SEE bench board in natural alder, milled in Estonia to 1.1" thick by 2.56" wide, surfaced four sides with eased edges. Warm reddish-brown tone, fine grain, a faint honey scent when the room heats up. Water-repellent and stays cool against bare skin. Good clear cedar now runs nearly three times the price; alder is the honest alternative for a timeless Finnish room. Sold by the linear foot in lengths from 1 to 10 ft.

    This product has multiple variants. The options may be chosen on the product page

    PROSAUNAS Western Red Cedar 1/2X4 VG T&G V2E Wall Cladding – Sauna Wood

    Price range: $6.15 through $79.87

    For 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.

    This product has multiple variants. The options may be chosen on the product page

    PROSAUNAS Prehung Douglas Fir Sauna Door with Insulated Glass

    Price range: $1,309.00 through $1,615.00

    Handcrafted in Minnesota from solid Douglas Fir with a natural Hemlock jamb, this prehung PROSAUNAS sauna door features insulated dual‑pane tempered glass and self‑closing hinges to keep heat in while flooding your sauna with natural light. Now available in four sizes (24″, 26″ (NEW), 30″, and ADA‑width 36″) each pre‑assembled in a durable frame for speedy, precise installation.

    This product has multiple variants. The options may be chosen on the product page

    Modern, Thermally Modified Magnolia | STS10 Shadow‑Line Wall Paneling

    Price range: $9.36 through $671.56

    Thermally 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.

    This product has multiple variants. The options may be chosen on the product page

    Dark Thermo-Alder Wall Paneling 1×4 STS4 – Intense Thermal Modification Sauna Wood by Thermory

    Price range: $4.25 through $249.90

    Thermal modification darkens wood, and intense thermal modification darkens wood even more. It also takes the benefits of thermal modification to the next level.

    1×4 Dark 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 transitions without molding.

    This product has multiple variants. The options may be chosen on the product page

    Aspen Sauna Wall Cladding | STS4, 1×5, Plain Aspen (Not Thermally Modified)

    Price range: $5.08 through $304.80

    Premium plain Aspen wall cladding, STS4 profile, smooth, resin-free, and cool to the touch. Not thermally modified.

    This product has multiple variants. The options may be chosen on the product page

    Aspen Sauna Bench Boards | SHP, 5/4×4, Plain Aspen (Not Thermally Modified)

    Price range: $6.87 through $274.00

    Plain Aspen SHP bench boards, smooth, comfortable, and cool to the touch. Aspen’s pale grain resists splintering and resin. Not thermally modified.

    This product has multiple variants. The options may be chosen on the product page

    PROSAUNAS Small Himalayan Salt Kit | Genuine Himalayan Sauna Light Kit

    Price range: $650.30 through $1,070.30

    Designed to be operated using the digital sauna control unit that operates your sauna heater or conventional on/off switch, this Universal Himalayan Salt Light Feature creates a tranquil and relaxing atmosphere that will enhance your sauna experience.

    This product has multiple variants. The options may be chosen on the product page

    1X4 Black Thermo-Spruce STS4 T&G Wall Cladding – Brushed & Waxed Black Sauna Wood by Thermory

    Price range: $4.27 through $251.00

    The Bold New Statement in Sauna Design

    Introducing Black Thermo-Spruce – the dramatic, sophisticated sauna wood that’s revolutionizing modern sauna aesthetics. This isn’t paint or stain; it’s the natural beauty of spruce transformed through Thermory’s intensive thermal modification process, creating a rich, deep black that’s as durable as it is stunning.

    Wire-brushed to perfection, each board reveals the natural grain patterns that make every installation unique. The textured surface doesn’t just look incredible – it feels amazing under your fingertips, adding a tactile dimension to your sauna experience. Finally, a true black sauna wood at a price that makes sense.

    This product has multiple variants. The options may be chosen on the product page

    ProSaunas Adustable Air Hatch In Thermo-Aspen

    $74.80

    This ventilation exhaust hatch by PROSAUNAS regulates airflow out of the sauna, ensuring good heat. Proper venting aids in keeping your sauna fresh and smelling clean. It also ensures your heater will perform as intended while meeting warranty requirements. Natural Thermo-Aspen wood offers a non-toxic, light-weight, eco-friendly material. This is also the ideal intake vent to use above a heater for mechanical downdraft ventilation.

    Fixed Sauna Vent in Thermo-Aspen

    $74.80

    This ventilation grille by PROSAUNAS helps introduce fresh air into your sauna experience. This helps eliminate fatigue as well as induce relaxation. Thermo-Aspen wood is durable, lightweight, non-toxic.

    Thermo-Magnolia Wide Sauna Bench Board 5/4×8 SHP

    Price range: $18.26 through $730.40

    These 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.

    This product has multiple variants. The options may be chosen on the product page

    Dark Thermo-Alder 5/4×4 SHP Bench, Backrest, and Skirt Sauna Wood – Intense Modification by Thermory

    Price range: $5.88 through $235.00

    Dark 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.

    This product has multiple variants. The options may be chosen on the product page

    Dark Thermo-Alder Wall Paneling 1×5 STS4 – Intense Thermal Modification Sauna Wood by Thermory

    Price range: $6.87 through $412.20

    Thermal 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 transitions without molding.

    This product has multiple variants. The options may be chosen on the product page

    Thermo-Spruce Sauna Bench and Floor Wood – 5/4 SHP Sauna Wood By Thermory

    Price range: $5.55 through $222.00

    One 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.

    This product has multiple variants. The options may be chosen on the product page

    1X4 Thermo-Spruce STS4 T&G Wall Cladding – Thermally Modified Sauna Wood by Thermory

    Price range: $2.50 through $150.00

    Thermo-Spruce 1×4 by Thermory is the most affordable way to achieve beautiful thermally modified wood walls in your sauna. Popular in Finland for it’s thermal performance, Nordic Spruce is also a sustainable choice. We love the rustic look and unique, tight knots that look like wings. Thermo-Spruce gives a pleasant, mild aroma with far lower VOC content than Western Red Cedar. Natural thermal modification changes the wood at a cellular level to resist rot, decay, warping, and cupping.

    Actual wall coverage is 3.1″ to 3.2″, depending on installation. Thermo-Spruce pairs well with Thermo-Aspen benches.

    This product has multiple variants. The options may be chosen on the product page

    Thermory 5/4×4 SHP Thermo-Alder Bench, Backrest, and Skirt Sauna Wood

    Price range: $6.09 through $243.00

    Thermo-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.

    This product has multiple variants. The options may be chosen on the product page

    Thermory 1×4 SHP Thermo-Alder Bench, Backrest, and Skirt Sauna Wood

    Price range: $4.96 through $243.04

    Thermo-Alder 1×4 SHP Bench material is a popular choice for sauna benches, backrests, and skirting. This mid-tone is more brown and woodsy looking than thermo-aspen. Great for a more traditional cabin-sauna or cottage feel.

    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.

    This product has multiple variants. The options may be chosen on the product page

    Thermo-Alder Wall Paneling 1×5 STS4 – Sauna Wall and Ceiling Wood By Thermory

    Price range: $5.41 through $324.60

    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 Thermo-Alder allows for tight transitions without molding.

    This product has multiple variants. The options may be chosen on the product page

    Alder Wall To Wall Flat T Transition Trim

    $34.80

    Need 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.

    This product has multiple variants. The options may be chosen on the product page

    Alder Moulding 1×1 SI Sauna Ceiling Trim By Thermory

    Price range: $2.00 through $64.00

    Alder 1×1 SI makes sauna building easier than ever. These 0.59″x 0.71″ are ideal for concealing the gap and giving a professional finish to any wall-to-ceiling transition. Make it easy, make it beautiful with Thermory 1×1 ceiling mouldings in Alder.

    Note: These will arrive directly from Thermory USA in bundles of four in 7′ and 8′ lengths.

    This product has multiple variants. The options may be chosen on the product page

    Alder Moulding 1×1 SHP Sauna Trim, Floor, and Bench Wood By Thermory

    Price range: $2.00 through $160.00

    Alder 1×1 SHP is a versatile sauna material for trim, benches, internal corner molding, and sauna floors. Cover any inward-facing corners in your sauna with this elegant moulding profile in natural alder. Alder is a hardy and water-repellent wood that doesn’t overheat, with a beautiful reddish tone and a pleasant texture.

    These 0.83″ thick boards are ideal for creative projects and making your sauna design truly unique. Note: These can only be purchased in bundles of 10 in 7′ and 8′ lengths.

    This product has multiple variants. The options may be chosen on the product page

    5/4 x 4 SHP Alder Bench, Backrest, and Skirt Sauna Wood

    Price range: $5.46 through $246.00

    Alder 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.

    This product has multiple variants. The options may be chosen on the product page

    Thermory 1×4 SHP Alder Bench, Backrest, and Skirt Sauna Wood

    Price range: $4.10 through $246.00

    Alder 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.

    This product has multiple variants. The options may be chosen on the product page

    Alder 5/4×3 STEP Wall Cladding – Sauna Wood by Thermory

    Price range: $3.72 through $145.82

    Step up your game and build the sauna of your dreams with Alder STEP Cladding by Thermory. The broad, square grooves create a striking shadow effect, adding depth and intrigue to any space. It’s our go-to for vertical wall cladding in any high-end sauna build.

    Alder is a popular and timeless sauna wood with natural water repelling properties. It’s a medium tone with reddish tints and a subtle honey-like aroma. At Sauna Marketplace, we make it easy to build an Alder sauna with matching benches, backrests, bench skirts, vent hatches, floor grids, and more.

    The actual wall coverage is 2.2″, which completes the step.

    This product has multiple variants. The options may be chosen on the product page

    1X5 Brushed Black Alder STS4 Wall Cladding – Sauna Wood by Thermory

    Price range: $6.52 through $391.20

    Looking 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.

    This product has multiple variants. The options may be chosen on the product page

    1X5 Alder STS4 Wall Cladding – Natural Sauna Wood by Thermory

    Price range: $5.41 through $324.60

    Wide 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″.

    This product has multiple variants. The options may be chosen on the product page

    1X4 Alder STS4 T&G Wall Cladding – Sauna Wood by Thermory

    Price range: $3.62 through $217.20

    Coveted in Finland and worldwide, European alder brings timeless elegence to your sauna with its distinctive reddish tone and inviting texture. This premium 1×4 natural profile offers excellent thermal properties (0.12 W/m·K) and sound absorption, creating the ideal surroundings and conditions for healing heat. Completely untreated and E1 certified for ultra-low emissions, this alder tongue and groove cladding maintains its warm, honey-like fragrance while providing the perfect balance of durability and comfort. Choose this medium-toned Estonian-crafted wood for an authentic sauna experience that harmonizes tradition with European quality standards.

    1×4 STS4 By Thermory might just be nature’s perfect sauna companion.

    This product has multiple variants. The options may be chosen on the product page

    Thermo-Aspen Moulding 1×2 Transition T by Thermory

    Price range: $2.36 through $37.76

    Need longer boards than 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.

    This product has multiple variants. The options may be chosen on the product page