An Important Note on Pricing and Returns:
We believe in upfront pricing and fair policies—no hidden fees, no surprises, and easy, transparent
returns. If you're comparing options, we encourage you to review competitors’ fine print carefully.
We've helped countless customers who had issues elsewhere, and we’re here to make sure that never
happens to you.
Official Distributor
An Important Note on Pricing and Returns:
We believe in upfront pricing and fair policies—no hidden fees, no surprises, and easy,
transparent returns. If you're comparing options, we encourage you to review
competitors’ fine print carefully.
We've helped countless customers who had issues elsewhere, and we’re here to make sure
that never happens to you.
Starts at: $0.34/mo Learn More
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Monthly payments start at: $0.34/mo Learn More
Ships in 1-5 days at most
Includes $373.99 in bonuses with your order
The Primal Reset Guide
$24.99Free
Freight Protection, Fully Covered
$349Free
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PROSAUNAS Alder 1×2 Inside Corner Trim SI is a premium sauna trim designed to create clean, smooth transitions at internal wall joints. Its cove moulding profile neatly covers inside corners, delivering a refined, continuous finish throughout your sauna interior.
Alder is a trusted sauna wood known for its smooth texture, consistent grain, and comfortable performance in high-heat environments. It resists splintering and remains stable, making it ideal for detailed interior applications.
Each piece features an SI (Cove Moulding) profile, engineered to fit precisely into inside corners. This allows for easy installation while softening transitions and improving both appearance and comfort.
PROSAUNAS selects high-quality alder to ensure uniform color, fine texture, and reliable durability. Suitable for both residential and commercial sauna builds, it provides a polished finishing touch to interior corners.
| Feature | Benefit - Why It Matters to Your Build |
|---|---|
| Alder Wood | Natural hardwood suited for sauna interiors - offers durability, smooth texture, and a warm, consistent appearance. |
| SI Profile (Cove Moulding) | Curved design for inside corners - creates soft transitions and seamless joint coverage. |
| Inside Corner Application | Designed for internal wall joints - delivers a clean, finished look in corner areas. |
| Smooth Surface Finish | Refined, even texture across all faces - enhances comfort and visual appeal. |
| Untreated Natural Material | No thermal processing or coatings - preserves the wood’s natural character and performance. |
| Performs in Sauna Conditions | Handles heat without splintering or overheating - safe and reliable for interior use. |
| Consistent Color & Grain | Warm tone with subtle grain pattern - creates a cohesive and attractive finish. |
| Stable & Durable Material | Maintains shape under heat and humidity - supports long-term performance. |
| Easy to Work With | Uniform pieces allow clean cuts and simple installation - ideal for precise trim work. |
| Ideal for Corner Finishing Details | Protects and refines exposed edges - enhances both function and overall sauna design. |
Three reasons builders choose Alder for seamless sauna corner details.
Alder remains smooth and pleasant in high temperatures. It resists splintering and overheating - ideal for interior corner areas.
Alder handles moisture without excessive movement. It helps maintain tight, clean corner lines over time.
Its warm tone and subtle grain create sharp, finished edges. Perfect for corners that enhance your sauna’s overall design.
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.
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
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.
Support
Nearly impossible to reach a real person. Endless chatbot loops, auto-replies, and unreturned emails.
Real humans. We answer quickly. Always here, always helpful
Order Processing
Orders often sit for days before being acknowledged. No clear confirmation, updates, or timelines.
Orders are processed immediately. You'll receive confirmation, tracking, and real-time updates within hours.
Shipping
Slow, vague, and unoptimized. Basic carriers, minimal tracking, and delayed delivery windows.
Fast, insured, and fully trackable shipping — optimized for speed and visibility every step of the way.
Pricing
Hidden fees, bait and switch tactics, post purchase price increases.
Our relationships guarantee the lowest prices. Transparent and fair. No surprises at checkout, and no shady
tactics after the sale.
Returns & Warranty
Policies are confusing and designed to frustrate, delay, and deny returns with zero accountability.
Clear, honest, and fast. Our return policy is built to protect your investment, not dodge responsibility.
Support
Frustrating automated responses
Fast, helpful and always supportive
Order Processing
Delays and lack of communication
Instant processing and updates
Shipping
Slow, unreliable and delayed service
Fast, insured, trackable shipping
Pricing
Deceptive pricing practices
Lowest prices, no surprises
Return & Warranty
Frustrating, misleading return policies
Clear, honest return policy
Read their reviews where they can't curate them, Trustpilot, not their own widget; read the one-star reviews and watch how they respond when freight goes sideways. You can see our Trustpilot reviews here
Ask what happens when a unit arrives damaged, you're listening for a person who owns it, not store-blames-manufacturer ping-pong.
Get the delivered price in writing before payment, "freight quoted after purchase" is the oldest move in the category.
Ask for a name, if nobody owns your order, nobody owns your problem.
What comes with every order
Bonus 1
Stop guessing and start your wellness journey with a plan. The Primal Reset Guide gives you a clear framework for building consistent routines, understanding your sessions, and staying on track as you progress. Instant delivery to your inbox after purchase.
Bonus 2
Your large order ships fully insured, so you're covered from our warehouse to your door. If something goes wrong, you don't have to spend hours on the phone with FedEx or the manufacturer. Our Shipping Concierge Service handles the calls, claims, and coordination for you, using our established relationships to get solutions moving faster. Inspect your delivery before signing off and document any damage right away.
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