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Sauna Marketplace offers legendary customer service and support. Odds are you landed here from a referral — because we don’t advertise.

That doesn’t mean you should have to pay more. We always honor the lowest prices allowed by our manufacturers. If you find a lower advertised price from an authorized dealer, send us a screenshot and we’ll match it.

We want you to feel great about your purchase for decades. That’s why we also offer free shipping on sauna accessories for life with the purchase of any sauna or sauna heater on Sauna Marketplace.

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Specs
Made in
ModelGroove-S 1×3 Cladding
Size10 Linear Feet, 5 Linear Feet, Free Sample
Nominal Thickness1″ (25.4mm)
Nominal Width3″ (76.2mm)
Actual Thickness.59″ (15mm)
Wall Coverage1.85″ (47mm)
Weight (per linear foot)1 lb (0.5 kg)
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PROSAUNAS Aspen Groove-S 1X3 T&G Wall Cladding – Sauna Wood

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: 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.

Build Your Quote:

Price range: $5.87 through $58.77

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Ships Free With Any Sauna Heater Purchase

Shipping

Important: Only select ‘Flat Rate Shipping – $795’ once per order. For all other wood items you add, choose ‘Part of existing shipment’

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Three inches wide, and it still manages to have more presence than most 4-inch profiles.

The ProSaunas Aspen Groove-S 1×3 is a narrow tongue-and-groove cladding with a shadow-line reveal that punches above its width. At 15mm thick (0.59″) and 60mm wide with 47mm of coverage, the Groove-S mills a crisp, angular channel between each board. The result on a full wall is a finely fluted surface: tight horizontal lines, a lot of depth, and a look that works equally well in a Japanese-influenced minimal room or a clean Nordic box. Milled in Estonia. Available in 1, 5, and 10 ft lengths, sold by the linear foot.

Why Aspen

Aspen gives you the palest possible tone, which is exactly right for a narrow-slat profile: the shadow lines read clearly against a light background. No resin, no splinters, cool to the touch at temperature. The honest trade-off with natural (non-thermally-modified) aspen is that it moves a bit more through the heat-and-cool cycle than thermo-aspen, which can mean the groove gaps open very slightly over years of use. It sands and refinishes easily if you ever want to refresh the surface. If you run a very hot room very frequently and want minimal movement, look at our thermo-aspen Groove-S.

Specifications

  • SKU: PS-ASPEN-GROOVE-S-1X3-TG
  • Species: Natural Aspen
  • Profile: Groove-S 1×3 tongue-and-groove, narrow shadow groove
  • Thickness: 0.59″ (15mm)
  • Width: 2.36″ (60mm)
  • Coverage: 1.85″ (47mm) per board
  • Available lengths: 1, 5, 10 ft
  • MAP: $5.87 per linear foot
  • Milled in Estonia

Where it goes

Walls and ceilings wherever you want a deliberately designed surface rather than a plain lined wall. Particularly strong on a ceiling, a back wall behind the bench, or any accent plane. Mixes well with a simpler STS4 aspen profile on adjacent walls if you want to break up the room visually. Pair with aspen S4SEE bench boards to keep the palette cohesive.

Shipping and samples

Sold by the linear foot. Flat $795 to the continental US, or free with a heater order. Free samples available: text your name and address to (844) 565-1113.

Call Ben² at (844) 565-1113 if you’d like to talk through the board count before you order.

Best Price and Service Guarantee

Sauna Marketplace offers legendary customer service and support. Odds are you landed here from a referral — because we don’t advertise.

That doesn’t mean you should have to pay more. We always honor the lowest prices allowed by our manufacturers. If you find a lower advertised price from an authorized dealer, send us a screenshot and we’ll match it.

We want you to feel great about your purchase for decades. That’s why we also offer free shipping on sauna accessories for life with the purchase of any sauna or sauna heater on Sauna Marketplace.

Shop Saunas | Shop Sauna Heaters

Specs
Made in
ModelGroove-S 1×3 Cladding
Size10 Linear Feet, 5 Linear Feet, Free Sample
Nominal Thickness1″ (25.4mm)
Nominal Width3″ (76.2mm)
Actual Thickness.59″ (15mm)
Wall Coverage1.85″ (47mm)
Weight (per linear foot)1 lb (0.5 kg)
Video Attachments

Gallery