Thermally modified alder is a favorite material for sauna wall panels and bench boards due to its unrivalled warmth, performance, and lovely fragrance.

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    1x5 thermo-alder sts4 sauna wood
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    Thermo-Alder Wall Paneling 1×5 STS4 – Sauna Wall and Ceiling Wood By Thermory

    Thermory
    Price range: $4.69 through $276.00

    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, seamless transitions without molding.

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    thermo-alder 5/4x4 shp sauna bench skirt and backrest wood by thermory
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    Thermory 5/4×4 SHP Thermo-Alder Bench, Backrest, and Skirt Sauna Wood

    Thermory
    Price range: $5.92 through $232.06

    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.

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    thermo-alder 1x4 shp sauna bench skirt and backrest wood by thermory
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    Thermory 1×4 SHP Thermo-Alder Bench, Backrest, and Skirt Sauna Wood

    Thermory
    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.

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    joint end matched jem 1x4 thermo-alder sauna wood
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    Thermo-Alder Wall Paneling 1×4 STS4 (JEM) – Sauna Wall and Ceiling Wood By Thermory – LIMITED STOCK

    Thermory
    Price range: $3.56 through $209.00

    1×4 STS4 JEM in premium Thermo-Alder is unique in our sauna wood catalog, with tongue and groove ends.  That means you don’t need full-length boards and can create stunning visual effects with staggard seams that are perfect every time.  Thermally modified alder is one of the best-performing woods, with a warm tone, and a favorite among high-end sauna builders and manufacturers.

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