Durable Frame. Natural Character.
PROSAUNAS Cedar 2×4 STK S4SEE is a premium sauna bench timber designed for reliable support and structural seating construction. With its smooth four-sided finish and eased edges, it ensures safe handling while maintaining a clean and solid appearance throughout the sauna space.
Select Tight Knot (STK) Cedar offers natural durability with added character, making it well-suited for sauna environments. Its structure provides dependable strength while allowing subtle knot patterns that enhance the wood’s visual appeal under changing heat and humidity conditions.
Each piece is precision-milled for accurate sizing and dependable installation. The S4SEE profile ensures all sides are smoothly planed with softened edges, delivering both functional performance and a refined finish.
PROSAUNAS selects quality Cedar to ensure consistent structure, balanced appearance, and long-lasting durability. This makes it a reliable option for both residential and commercial sauna bench framing applications.
Features & Benefits
| Feature | Benefit - Why It Matters to Your Build |
|---|---|
| Cedar Bench Timber | High-quality sauna wood – offers natural strength and character-rich appearance. |
| S4SEE Smooth Profile | Planed on all four sides with eased edges – ensures safety and comfort in use. |
| Bench Frame Use | Designed for structural support and seating frames – provides reliable load-bearing strength. |
| Solid Support Surface | Sturdy profile with softened edges – enhances durability and handling comfort. |
| Performs in Sauna Heat | Handles high temperatures and humidity – maintains integrity over time. |
| Smooth Finished Surface | Precision-machined timber – improves both feel and visual quality. |
| Consistent Knot Character | Select tight knot pattern – adds natural texture and visual interest. |
| Stable & Durable Material | Minimises movement and warping – supports long-term performance. |
| Easy Installation Pieces | Accurate sizing – allows efficient and reliable fitting. |
| Enhances Sauna Interiors | Adds strong lines and natural detail – improves overall design quality. |
Why Choose Cedar STK Timber for Your Sauna Interior?
Three reasons installers prefer this profile for strong support and natural finishes.
Built for Sauna Heat
Cedar performs reliably in high temperatures. Its natural stability helps reduce movement, keeping structures secure and well-aligned.
Handles Moisture Effectively
The wood resists humidity changes naturally. This helps minimise warping and supports long-term durability in sauna conditions.
Natural and Character Finish
The S4SEE profile creates smooth surfaces with eased edges, while the tight knot pattern adds warmth and visual texture to the sauna interior.
Specifications

What's Included

- Cedar 2×4 Bench Timber
- S4SEE Smooth Edge 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