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    Harvia M3 Wood Fired Sauna Stove

    $969.00

    Experience the gold standard in sauna performance with the Harvia M3 Wood Fired Sauna Stove. This stove is designed to be durable, energy-efficient, and reliable, with a sleek and modern look that adds to the beauty of your sauna. It won’t take long to see why the M3 is the best selling sauna stove in the world.

    Harvia M3s are in stock and shipping out daily. Order yours today.

    Thermo-Aspen Moulding 1×1 SHP Sauna Trim, Floor, and Bench Wood By Thermory

    Price range: $2.00 through $200.00

    Thermory Thermo-Aspen 1×1 SHP is a versatile sauna material meant for trim, benches, internal corner moulding, and sauna floors. Aspen is a 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.

    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

    HUUM HIVE Safety Rail | Rail H & Rail HM

    Price range: $322.00 through $396.00

    Curved wood safety railing that adds a physical buffer and warm visual detail around HUUM’s round stone baskets. Choose Rail H for full-size HIVE or Rail HM for HIVE Mini.

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

    HUUM HIVE Reflector | HIVE & HIVE Mini

    Price range: $302.00 through $328.00

    Stainless-steel reflector panel for reducing the required wall-side clearance of the compatible HIVE heater. Choose Reflect H for full-size HIVE or Reflect HM for HIVE Mini. Use only in the configurations and quantities allowed by the current heater manual.

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

    HUUM 75-Foot UKU Extension Cables | Control & Sensor

    Price range: $143.00 through $176.00

    Current 75-foot HUUM UKU low-voltage extension cables. CONTROL-75 extends the UKU control panel cable; SENSOR-75 extends the temperature/door-sensor cable. Select the circuit you are extending rather than treating the two cables as interchangeable.

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

    HUUM DROP Replacement Heating Elements | SP0003 1.5 kW & SP0004 2.0 kW

    $109.00

    Current HUUM replacement elements for DROP electric heaters: SP0003 is the 1.5 kW element and SP0004 is the 2.0 kW element. Element counts and combinations are model-specific. Confirm heater data label and the current HUUM element matrix before ordering.

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

    HUUM DROP Heat Diverter, Retainer & Upgrade Kit

    $130.00

    Current DROP heat-management hardware for guiding heat into the room and keeping elements correctly separated. The current DROP heater package already includes its model-appropriate reflector, heat diverter, retainers, and spacers; order this only for a compatible older installation or confirmed replacement need.

    KOLO Sauna Hygrometer

    $45.00

    Embrace the harmony of a well-tuned sauna atmosphere with the Kolo Hygrometer. In the world of sauna enthusiasts, maintaining the ideal humidity is not just a matter of comfort, it’s the essence of the sauna experience. The Kolo Hygrometer, with its distinct round shape and deep black hue, is your quintessential companion to capture the essence of true sauna perfection.

    ** Limited stock until August. Please message us regarding your item before ordering **

    EOS Invisio Midi Under-Bench Sauna Heater | 6 / 9 / 12 kW

    Price range: $5,641.00 through $5,860.00
    6 KW
    9 KW
    12 KW

    The heater your guests never see. The EOS Invisio Midi, from Germany’s 80-year sauna engineering house, installs under the bench behind a builder-made dividing wall: heat rises through the supplied 48.8-inch protective grill, and water reaches the hidden stones through an included trough, hose, and internal stainless channel. 6, 9, or 12 kW covers rooms from about 35 to 102 sq ft; stainless steel or anthracite; every variant a genuine EOS North America SKU. Requires the matching 9 kW (6/9 kW heaters) or 15 kW (12 kW heater, 208V 3-Phase only) EOS USA control system, sold separately – select below. Dividing wall and bench are builder-supplied; stones selected separately. Ships freight via EOS’s official US distribution; lead time confirmed with your order.

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

    EOS Mythos S45 Design Sauna Heater | 12 / 15 kW

    $10,441.00
    12 KW
    15 KW

    The statement heater for big rooms. The EOS Mythos S45 scales the iF Design Award-winning Mythos design to 12 or 15 kW at 208V three-phase: a 99 lb published stone load, a 24-piece hand-cut Cubius soapstone crown, and a finished-on-every-side body still only 14.6 inches deep. Covers EOS room ranges from 80 to 142 sq ft, private or commercial. Requires one matching 15 kW EOS USA control system (sold separately, select below); no power extension needed. Ships freight via EOS’s official US distribution; lead time confirmed with your order.

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

    EOS Mythos S35 Design Sauna Heater | 7.5 / 9 kW

    Price range: $8,438.00 through $8,774.00
    7.5 KW
    9 KW

    A heater your room is built around. The EOS Mythos S35 is the iF Design Award-winning cubist heater from Germany’s 80-year sauna house: a 33-inch pillar, only 14.6 inches deep, finished on every side and crowned with 20 hand-cut Cubius soapstones. A 77 lb published stone load delivers soft, steady loyly in rooms from 45 to 80 sq ft. 7.5 or 9 kW, 208V or 240V, four US finishes, every variant a genuine EOS North America SKU. Requires the matching 9 kW EOS USA control system (sold separately, select below). Ships freight via EOS’s official US distribution; lead time confirmed with your order.

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

    Kohler x Remedy Place Ice Bath | 85 Gallon Hot & Cold Plunge

    $17,425.00

    The Kohler x Remedy Place Ice Bath combines an 85-gallon bath with heating, cooling, filtration, a guided breath light, and an insulated cover. It adjusts from 39–104°F. Plan the delivery route, electrical connection, and drainage before choosing its indoor or outdoor location.

    Kohler C2 6-Person Outdoor Sauna | Assembly Available

    Price range: $42,562.50 through $44,006.25

    Room to turn the corner. The six-person C2 is the only size in this family with an L-bench program, so it is the choice for the largest social layout rather than simply a wider version of the smaller sauna. Choose Douglas Fir or Weathered Gray Spruce outside; both keep Scandinavian spruce and obeche contact surfaces inside. The included FERO 9.0 kW heater, integral floor, insulated roof, and exact official-source 3D configurator make it a strong fit for larger households, guests, and an L-bench outdoor sauna room. Available to order; confirm current inventory and delivery timing for your ZIP before purchase.

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

    Kohler C2 5-Person Outdoor Sauna | Assembly Available

    Price range: $38,062.50 through $39,487.50

    This is the middle C2, and the bench layout is the reason to choose it. You gain separate lower and upper straight benches without committing to the largest roof envelope in the line. Choose Douglas Fir or Weathered Gray Spruce outside; both keep Scandinavian spruce and obeche contact surfaces inside. The included FERO 9.0 kW heater, integral floor, insulated roof, and exact official-source 3D configurator make it a strong fit for families and shared sessions that benefit from two bench levels. Available to order; confirm current inventory and delivery timing for your ZIP before purchase.

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

    Kohler C2 3-Person Outdoor Sauna | Assembly Available

    Price range: $33,656.25 through $34,762.50

    Start with the roof, not the head count. The three-person C2 gives you the smallest outdoor Kohler footprint, but its extended roof still reaches roughly 101 by 85 inches before working or code clearances. Choose Douglas Fir or Weathered Gray Spruce outside; both keep Scandinavian spruce and obeche contact surfaces inside. The included FERO 9.0 kW heater, integral floor, insulated roof, and exact official-source 3D configurator make it a strong fit for one to three bathers and more compact outdoor sites. Available to order; confirm current inventory and delivery timing for your ZIP before purchase.

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

    Kohler C1 Indoor Sauna | Assembly Available

    Price range: $15,412.50 through $23,118.75

    Your sauna should look like it belongs in the room. The C1 is Kohler’s indoor traditional sauna for two, three, or five people, with Scandinavian Spruce inside and either matching spruce or a Graphite Gray exterior. Mineral-wool insulation, a 5/16-inch tempered-glass entry door, obeche seating, 2700 K backrest lighting, Aerotherm ventilation, and a matched FERO heater make the room feel considered from the first look to the last bench. We were among the first dealers to try the C1 at its IBS Orlando launch. Choose curbside delivery or add assembly, and we will help you confirm the room and electrical plan.

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

    Harvia Sauna Hand Towel | 100% Cotton Terry, 22 x 14 in, Red

    $16.00

    Harvia’s red hand towel in the same heavy 600 GSM cotton terry as its bath towel, 22 x 14 in. Harvia suggests it as a hand or gym towel, or as a seat cover in the sauna, and says the terry gets more absorbent with washing. Made in Europe. Pair it with the 55 x 28 in Harvia bath towel.

    Harvia Sauna Bath Towel | 100% Cotton Terry, 55 x 28 in, Red

    $45.00

    A heavy red terry bath towel from Harvia, 100% cotton at 600 grams per square meter, 55 x 28 in. Harvia says it is highly absorbent and gets more absorbent with washing. Lay it on the bench during the session or wrap up in it after. Harvia makes its towels in Europe. The matching hand towel is 22 x 14 in.

    HUUM OVO Sauna Towel Set | Large and Small Waffle Cotton Towels, Black

    $128.00

    Two black waffle-cotton towels from HUUM, the Estonian heater maker: a large 39 x 79 in towel to wrap up in between rounds, and a small 18 x 33 in towel that HUUM suggests for protecting your hair from the heat or as a seat on the bench. Both are hand-sewn from 100% waffle cotton, which HUUM says is quick-drying and breathable. Each has a loop for hanging.

    Rento Kenno Hand Towel | 20 x 28 in Recycled Cotton Blend, 7 Colors

    Price range: $16.00 through $18.00

    A 20 x 28 in hand towel in Rento’s Kenno weave: 70% recycled cotton and 30% polyester with a chambray border, in seven colors that match the Kenno bath towels, seat covers and pillows. Folded on the bench, it’s a small seat; after the session, it’s a hand towel. Gentle 104°F wash. Designed in Finland by Rento and made in India.

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

    PROSAUNAS Contoured Sauna Headrest | Spruce, Alder or Thermo-Aspen

    Price range: $45.90 through $54.40

    A wave-shaped wooden headrest that cradles your head on the bench. PROSAUNAS builds it from wide slats in a breathable structure, in spruce, alder or thermo-aspen, about 13.2 x 11 x 3.8 in. PROSAUNAS says the wood stays cool to the touch in sauna heat. No fabric to wash. Covered by PROSAUNAS’s 2-year residential warranty.

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

    PROSAUNAS Ergonomic Sauna Headrest | Knotless Pine or Canadian Red Cedar

    Price range: $58.65 through $75.65

    Hand-finished wood, shaped to hold your head and neck on the bench. The PROSAUNAS Ergonomic headrest is 15 in wide and 12.6 in tall, made from knotless pine from Finland or knotless Canadian red cedar, and PROSAUNAS says it works in any type of sauna. There is no fabric to wash: it’s solid wood. Covered by PROSAUNAS’s 2-year residential warranty.

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

    Rento Pino Sauna Pillow | Jacquard Cotton, Coal Black

    $32.00

    A coal black sauna pillow in Rento’s jacquard-woven Pino cotton, about 20 x 9 x 5 in, for head and neck support on the bench. Rento fills it with fast-drying polyester wadding and says it holds its shape wash after wash. Rinse it in the shower after a session, or machine wash it at 104°F. It matches the Pino seat covers. Designed in Finland by Rento and made in Turkey.

    Rento Kenno Sauna Pillow | Standard or XL, Recycled Cotton Blend

    Price range: $25.00 through $29.00

    Leaning back against a wall or lying on a bench? The Rento Kenno sauna pillow supports your head and neck on the bench, with a recycled cotton and polyester cover and a quick-drying polyester filling. Standard is about 20 x 9 in, in seven colors. The XL is 20 x 13 in, in Gray or Brown. Rinse it in the shower after a session or put it through a gentle 104°F wash. Designed in Finland by Rento and made in India.

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

    Rento Pino Sauna Seat Cover, Bench Length | 20 x 59 in Jacquard Cotton, Coal Black

    $43.00

    A bench-length seat cover in jacquard-woven cotton, 59 x 20 in, in Rento’s coal black Pino pattern. Rento says light cotton suits the sauna: it feels cool against the skin, absorbs moisture and dries quickly, and the jacquard weave holds its shape and pattern wash after wash. It is the long version of the 20 x 24 in single Pino cover. Designed in Finland by Rento and made in Turkey.

    Rento Kenno Sauna Seat Cover | Single 20 x 24 in or Bench Length 24 x 63 in, 7 Colors

    Price range: $14.00 through $28.00

    Most people sit on a towel. This is the same idea, cut to the bench. The Rento Kenno seat cover comes in two sizes: a single 20 x 24 in pad for one person, and a 24 x 63 in bench-length cover. Both are woven from 70% recycled cotton and 30% polyester, with Rento’s chambray border, in seven colors. It goes through the washing machine on a gentle 104°F cycle. Designed in Finland by Rento and made in India.

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

    Finnmark FD-4 Sauna Cushion | Marine-Grade Vinyl Bench Cushion for the FD-4 Trinity

    $269.00

    Order by room, not by seat count. The FD-4 cushion is made for the FD-4 Trinity, and like both Trinity cushions it is 17 in deep, 3 in shallower than the cushions for Finnmark’s FD-1 to FD-3 infrared rooms. It measures 44 in long and 2.5 in thick: black marine-grade vinyl, rated fade- and tear-resistant, over a non-toxic foam insert, with a full zipper for easier cleaning. Care steps from Finnmark’s manual are below. Covered by Finnmark’s 5-year limited residential warranty.

    Finnmark FD-3 Sauna Cushion | Marine-Grade Vinyl Bench Cushion for the FD-3

    $298.00

    Three or four people on the FD-3 means a long bench to pad. This cushion is 65.5 in long and 20 in deep, with 2.5 in of non-toxic foam inside a black marine-grade vinyl cover that Finnmark rates fade- and tear-resistant. A full zipper makes cleaning easier, and the everyday routine is short: towel on top, damp cloth after, no sprays. The steps below come from Finnmark’s own manual, and Finnmark’s 5-year limited warranty covers it in a home sauna.

    Finnmark FD-2 Sauna Cushion | Marine-Grade Vinyl Bench Cushion for the FD-2

    $269.00

    Two seats. One cushion. Finnmark cuts this one for the FD-2 bench, 41 in long, 20 in deep and 2.5 in thick, in black marine-grade vinyl over a non-toxic foam insert. The vinyl is rated fade- and tear-resistant, and the full zipper is there, in Finnmark’s words, “for easy cleaning.” A towel on top catches the sweat, so it stays off the vinyl and off the bench wood underneath. Care steps from Finnmark’s own manual are below, along with the 5-year limited residential warranty.

    Finnmark FD-1 Sauna Cushion | Marine-Grade Vinyl Bench Cushion for the FD-1

    $239.00

    How long can you sit on a bare wooden bench before you start shifting around? The Finnmark FD-1 cushion is cut for the one-person FD-1 bench: 30 in long, 20 in deep and 2.5 in thick. Black marine-grade vinyl, which Finnmark rates fade- and tear-resistant, wraps a non-toxic foam insert, and a full zipper makes cleaning easier. Keep a towel on it, wipe it with a damp cloth, skip the sprays. The full care steps from Finnmark’s manual are below, with Finnmark’s 5-year limited residential warranty.

    Finnmark FD-5 Sauna Cushion | Marine-Grade Vinyl Bench Cushion for the FD-5 Trinity XL

    $298.00

    The FD-5 Trinity XL runs full-spectrum infrared and a Finnish heater in one room, and this is the cushion Finnmark makes for it: 68 in long, 17 in deep and 2.5 in thick, black marine-grade vinyl over a non-toxic foam insert. Finnmark rates the vinyl fade- and tear-resistant and adds a full zipper for easier cleaning. It is not interchangeable with the FD-3 cushion, which is shorter and 3 in deeper. Towel on top, damp cloth after, no sprays. The full steps from Finnmark’s manual are below.

    PROSAUNAS Thermo-Aspen 1X5 T&G STS4 Wall Cladding – Sauna Wood

    Price range: $6.76 through $67.58

    A 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.

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

    PROSAUNAS Alder 1X5 T&G STS4 Wall Cladding – Sauna Wood

    Price range: $6.55 through $65.45
    This product has multiple variants. The options may be chosen on the product page

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

    Price range: $4.60 through $45.99

    Shadow grooves, thick boards, and a little architecture on your walls. The Grace 2×3 in thermo-aspen is a wide-reveal T&G wall cladding, 1.06″ thick with a 2.2″ coverage per board, designed to make a sauna wall look like a deliberate design choice instead of just paneling. The broad shadow groove between boards catches the light differently than a standard V-joint and gives the room depth. Thermal modification (heat and steam, no chemicals) locks in a warm golden-brown that won’t fade from humidity and won’t gap from moisture cycling. A real statement wall, without the pretension. Sold by the linear foot.

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

    PROSAUNAS Thermo-Aspen 2X4 S4SEE SHP Bench, Backrest & Skirting – Sauna Wood

    Price range: $6.15 through $61.46

    A 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.

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

    PROSAUNAS Thermo-Spruce 1X4 T&G STS4 Wall Cladding – Sauna Wood

    Price range: $2.35 through $32.96

    The most economical real sauna wood we carry, and the traditional one. Natural Nordic Thermo-Spruce, 1×4 smooth tongue-and-groove, the wood Finland has lined saunas with for generations. Light tone, tight characterful knots, a clean mild scent. It is not thermally modified, so it moves a little more than our thermo woods through the heat-and-cool cycle. We carry it for the budget build and the honest Finnish look. Sold by the linear foot, in lengths up to 14 ft.

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

    PROSAUNAS Thermo-Aspen 1X2 UK Door Trim – Sauna Wood

    Price range: $3.15 through $25.23

    The detail that ties the room together. Thermo-aspen door trim in the UK profile finishes the gap between your cladding and the door frame with the same golden-brown wood you used on the walls. Thin at 0.47″, wide enough at 1.65″ to cover a clean reveal. No resin, no splinters, cool to the touch. Because it’s thermally modified, the color runs all the way through, so a mitered corner or an end cut won’t show pale raw wood. If you’ve gone with thermo-aspen walls and benches, this is the piece that makes it look intentional.

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

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

    Price range: $11.89 through $118.92

    The 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.

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

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

    Price range: $4.22 through $42.25

    Narrow bench board, long track record. Thermo-aspen at 2×3 is what most Scandinavian builders reach for when they want a clean, knot-free seat that won’t gap or warp over the years. The thermal modification (heat and steam, nothing else) turns plain aspen into a golden brown that reads as traditional to American eyes, then locks the wood so it can’t hold moisture and won’t move on you. No resin, no splinters, cool under bare skin. Thermo-aspen is the wood we reach for first, and we’d put this board in our own sauna without a second thought. Sold by the linear foot, free samples available. Questions?

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

    PROSAUNAS Thermo-Spruce 2X4 S4SEE SHP Bench, Backrest & Skirting – Sauna Wood

    Price range: $3.88 through $38.76

    Ben sided his own house in thermo-spruce. That tells you something. This is the 2×4 bench board in thermally modified Nordic spruce, 1.02″ thick by 3.54″ wide, and it’s the budget-friendly bench, backrest, and skirting board. 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, backrests, and skirting. The classic move is thermo-spruce walls with thermo-aspen benches. Sold by the linear foot.

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

    PROSAUNAS Thermo-Aspen 1X2 SI Inside Corner Trim – Sauna Wood

    Price range: $1.58 through $12.65

    Inside corners are where a finish job either looks done or looks almost done. The thermo-aspen SI inside corner trim, 0.55″ thick by 1.18″ wide, fits into the 90-degree seam where two cladded walls meet and gives you a clean, furniture-quality line instead of a butt joint. The thermal modification means the golden-brown color runs all the way through, so a cross-cut end won’t show pale raw wood. No resin, no splinters. Match it to your thermo-aspen walls and benches and the room reads as one continuous material. Sold by the linear foot.

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

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

    Price range: $3.74 through $37.40

    Moulding that actually does something. The thermo-aspen 2×2 S4SEE SHP moulding at 1.1″ x 1.63″ is the piece you reach for when you need to cap a bench edge, cover a gap at the ceiling, frame a light channel, or add a clean horizontal break on a cladded wall. It’s the same thermal modification as the rest of our thermo-aspen line: heat and steam, no chemicals, golden-brown color all the way through, no warp, no resin, cool under bare skin. Available up to 10-foot lengths. Sold by the linear foot.

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

    PROSAUNAS Thermo-Aspen 2X2 VA Outside Corner Trim – Sauna Wood

    Price range: $3.15 through $25.23

    An outside corner with no raw edge showing. The thermo-aspen VA outside corner trim, 1.1″ on both faces, wraps the 90-degree exterior angle where two cladded walls meet and gives you a clean, mitered line in matching wood. Thermally modified aspen, so the golden-brown color runs all the way through, cut ends look the same as the face, and the piece won’t swell or bow in a wet sauna environment. No resin, no splinters. If you have a sauna room with an exterior corner (a bump-out, a partition, a two-room build), this is what goes there. Sold by the linear foot.

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

    PROSAUNAS Aspen Midnight Black 1×4 (0.59 in x 3.5 in) T&G STS4

    $7.34

    PROSAUNAS Aspen Midnight Black tongue and groove 1×4 STS4 profile creates a striking contrast and is recommended for sauna walls and ceilings. This black-wax finished cladding is perfect for creating a dynamic, contemporary look. When paired as an accent wall with different bench and surface woods, its smooth black appearance will complement the lighter materials.

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

    Price range: $4.38 through $43.78

    A clean, classic sauna wall in the cladding width most builders start with. The 1×4 STS4 in thermo-aspen is a tongue-and-groove board, 0.59″ thick, milled 3.54″ wide for 3.1″ of coverage per row. The thermal modification takes it to a warm golden-brown that runs all the way through, so trimmed ends match the face and nothing reads as patchwork. Knot-free, no resin, stays cool against bare skin. Easy to run floor to ceiling and easy to pair with a contrasting bench or trim. Sold by the linear foot.

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

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

    Price range: $5.98 through $59.84

    Narrow 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.

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

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

    Price range: $11.62 through $92.96

    Bench 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.

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

    PROSAUNAS Alder 2X4 S4SEE SHP Bench, Backrest & Skirting – Sauna Wood

    Price range: $5.24 through $52.36
    This product has multiple variants. The options may be chosen on the product page

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

    Price range: $4.00 through $40.07
    This product has multiple variants. The options may be chosen on the product page

    PROSAUNAS Aspen 2X4 S4SEE SHP Bench, Backrest & Skirting – Sauna Wood

    Price range: $6.68 through $66.78
    This product has multiple variants. The options may be chosen on the product page