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Thermory Alder 1x4 STP

Original price $3.38 - Original price $33.68
Original price
$3.38 - $33.68
Current price $3.38
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Alder, Sauna Wood, Medium Gap Wall Cladding, 1"x4", STP

Thermory Alder STP 1x4 profile offers an elegant wall surface for your sauna, with narrow grooves between broad cladding boards with rounded edges. It can also be combined with other profiles to create your own unique look. Thermory’s select Alder is popular as a finishing material in saunas thanks to its reddish tone and pleasant texture. Alder is hardy and water-repellent, and it doesn’t overheat. Alder is ideal for a variety of interior sauna materials and products.

Thermory's natural alder outshines cedar for a sauna that’s as beautiful as it is durable. Alder surrounds you with gorgeous color and texture without overheating. And unlike cedar, which can weather with age, alder sauna wood remains true to its stability and aesthetic. Alder has been a staple of sauna culture for centuries due to its uncompromising durability, stability, and comfort.

Responsibly harvested and produced, Thermory woods let you create a sauna that shows off your sense of style.

Recommended Uses: Walls and Ceilings. 


  • Perfect for saunas
  • Water repellant
  • Stays cool to the touch
  • Ideal for walls and ceilings
  • Beautiful appearance
  • Rounded edges
  • Narrow Grooves
  • Broad cladding board
  • Natural Wood
  • Can be combined with other profiles
  • Approximate 17/64" Gap
  • Wall Coverage 3.1"
  • Actual Dimensions: 19/32" x 3-1/2"


Model Alder 1x4 STP
Description 1x4 Alder Medium Gap Wall Cladding Material
Finish Natural Alder Wood
Product Weight 0.26lbs per linear foot
Product Width 3-1/2"
Product Height 19/32"
Wall Coverage 3.1"
Shipping Weight 0.26lbs per linear foot
Shipping Length Up to 10'


Our Shipping Partners: FedEx, UPS, Freight Club

Key Information:

  1. Complimentary Shipping: Enjoy free shipping on sauna heaters and accessories across the Continental USA.
  2. Multiple Warehouse Locations: Our products are dispatched from strategically located warehouses in Chicago, Illinois; Ashland, Wisconsin; Boise, Idaho; and New York, ensuring efficient delivery.
  3. Customized Shipping Estimates: For accurate shipping timelines, please contact us directly. As delivery schedules vary depending on the product and season, we offer personalized estimates.
  4. Extended Delivery Regions: We now also ship to Canada, Alaska, Puerto Rico, and Hawaii. Shipping costs for Canada are calculated at checkout. For deliveries to Alaska, Puerto Rico, and Hawaii, email us for a tailored shipping quote.
Shipping Explained in Detail: We collaborate with the leading distribution partners in the USA, giving us the unique advantage of working with all key players. This allows us to select the most appropriate partner for your order, based on stock availability and the fastest shipping route to your location.
It's important to understand that irrespective of the online dealer you choose, your order will be shipped from one of these central distributors. What sets us apart is our comprehensive network of partners and our direct relationships with the brands we represent. Our commitment to providing expert and knowledgeable customer support is evident from our resources like our YouTube channel. In rare cases where we need additional information, we have direct contacts with the factories to ensure your queries are promptly addressed.

However, please note that shipping times can vary, and while we strive for efficiency, there are limitations. For example, larger items like sauna heaters that require pallet shipping will generally take at least two weeks for delivery. We offer express shipping options for an additional fee, but we advise considering these timelines when placing your order.

For any inquiries or specific questions, feel free to contact us.

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