Clean Lines. Bold Spacing.
PROSAUNAS Alder GRACE™ 2×3 T&G is a premium sauna cladding wood designed to create a striking, modern finish across walls and ceilings. With its tongue and groove construction and distinctive large-gap profile, it delivers strong visual definition while allowing for natural movement.
Alder is known for its warm hue, smooth texture, and low resin content, making it comfortable to touch even in high sauna temperatures. Its stable structure helps maintain form and performance in environments with constant heat and humidity.
Each board features the GRACE™ large-gap profile, offering pronounced spacing between panels for added depth and architectural character. Its precise sizing and clean machining allow for straightforward installation and seamless integration with other sauna materials.
PROSAUNAS selects quality Alder timber to ensure uniform color, fine grain, and dependable durability. The result is a stylish and functional wall material suitable for both residential and commercial sauna interiors.
Features & Benefits
| Feature | Benefit - Why It Matters to Your Build |
|---|---|
| Alder Sauna Wood | Naturally warm hardwood suited for sauna interiors - offers smooth texture, low resin content, and a comfortable surface in high heat. |
| GRACE™ Large-Gap Profile | Distinctive spacing between boards - creates bold shadow lines and a modern architectural appearance. |
| Tongue & Groove Design | Interlocking board system - ensures secure fitting and consistent alignment during installation. |
| Wall & Ceiling Cladding | Designed for full interior coverage - delivers a clean, continuous finish across sauna surfaces. |
| Performs in Sauna Conditions | Handles heat and humidity effectively - maintains stability under changing temperatures. |
| Smooth Planed Surface | Evenly finished faces for a refined touch - improves both comfort and visual quality. |
| Uniform Color & Grain | Consistent tone with fine texture - enhances a cohesive and elegant interior look. |
| Stable & Reliable Material | Resists warping and movement - supports long-term durability and performance. |
| Simple to Install | Precision-milled boards fit together easily - reduces installation time and effort. |
| Perfect for Modern Sauna Design | Adds depth and character with bold spacing - elevates both style and functionality. |
Why Choose Alder GRACE™ Cladding for Your Sauna Interior?
Three reasons sauna builders select Alder for bold wall and ceiling designs.
Reliable in Sauna Heat
Alder performs well under high temperatures. Its stable structure helps minimize warping and movement - keeping panels aligned and visually consistent over time.
Handles Humidity Effectively
With low resin content and balanced moisture behavior, Alder resists issues caused by humidity. This supports durability and long-term performance in sauna environments.
Striking, Modern Appearance
The GRACE™ large-gap profile creates bold shadow lines and depth. Combined with Alder’s warm tone and smooth finish, it delivers a clean and contemporary sauna look.
Specifications

What's Included

- Alder GRACE™ 2×3 Cladding Boards
- Large-Gap Tongue & Groove Profile
Shipping Information
Wood products ship via standard freight. Shipping cost is calculated based on order quantity, board lengths, and your delivery location — it is not included in the listed price and will be quoted separately.
- Standard freight shipping on all wood orders
- Shipping cost varies by order size and destination
- Contact PROSAUNAS for a freight quote before ordering
- Bulk orders may qualify for volume pricing
- All orders inspected before shipment for quality assurance
📞 Have Questions?
Our team has 55+ years of experience helping builders select the right wood. We're happy to help you calculate quantities, confirm sizing, or get a shipping quote.
Call: (800) 957-2862
Email: info@peakprimalwellness.com
Mon–Fri 8:00am–5:00pm CT
The PROSAUNAS Quality Promise
PROSAUNAS carefully selects only the finest wood from Northern Europe and Canada, ensuring quality and consistency that meets our stringent standards. Every board is inspected before it ships — because a great sauna starts with great materials.
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Returns & Warranty
Return & Warranty