Investing in a Plank Firm Luxe mattress comes with the peace of mind of a lifetime warranty—but only if you follow the guidelines to keep your coverage intact. Many mattress owners unknowingly void their warranty due to improper use, poor maintenance, or incorrect setup. Understanding what to expect in Plank Firm Luxe’s trial period can also help you make the most of your purchase while ensuring you don’t accidentally compromise your warranty.
Learning from real user experiences can be valuable in avoiding common mistakes that could shorten your mattress’s lifespan. Simple steps like using a proper foundation, keeping your mattress clean, and following the care instructions can make all the difference. To keep your Plank Firm Luxe warranty valid for life, be proactive about maintenance and storage. By taking these essential steps, you’ll not only protect your investment but also enjoy long-lasting support and comfort for years to come.
Key Takeaways
Firmness Options: The Plank Firm Luxe offers Firm (7/10) and Extra Firm (9/10) options, ideal for back and stomach sleepers.
Trial Period: Enjoy a 120-night trial starting from delivery, giving you time to adjust risk-free.
Proper Foundation Matters: Using a solid platform or compatible adjustable base is crucial to maintain warranty coverage.
Avoid Physical Damage: Modifying, folding, or exposing the mattress to moisture can void the warranty.
Proof of Purchase: Keep your receipt and store a digital copy to simplify warranty claims if issues arise.

Listen to our Podcast: What to Expect in a Plank Firm Luxe’s Trial-Period
Use a Proper Foundation
Your Plank Firm Luxe mattress requires a supportive base to prevent sagging and maintain structural integrity. Using an unsuitable foundation could void your warranty.
- Recommended foundations:
- Solid wood platform
- Slatted bed frame (slats no more than 4 inches apart)
- Adjustable base (must be compatible with Plank Firm Luxe)
- Avoid using:
- Box springs (unless designed for memory foam or hybrid mattresses)
- Foundations with slats spaced more than 4 inches apart
- Weak, sagging, or unsupported frames
Plank Firm Luxe
Plank Firm Luxe
Follow Plank Firm Luxe’s Warranty Specifications
To keep your Plank Firm Luxe warranty intact, it’s essential to follow the brand’s official guidelines for setup, use, and care. Overlooking these requirements could result in a denied claim, leaving you without coverage if an issue arises. That’s why taking a few extra steps to understand the warranty terms can save you trouble down the road.
Before purchasing accessories like mattress protectors or toppers, review the warranty guidelines to ensure they won’t interfere with coverage. Additionally, make sure your foundation or bed frame meets Plank’s exact specifications, as using the wrong support system could lead to premature wear or damage. If you’re unsure whether your existing setup is compatible, don’t hesitate to reach out to customer support for guidance.
By following these simple precautions, you’ll not only protect your investment but also enjoy the full benefits of your Plank Firm Luxe mattress for years to come.
Avoid Modifications or Alterations
Making any changes to the mattress, including cutting, removing layers, or altering its structure, will immediately void the lifetime warranty.
- Do not attempt to reshape, fold, or bend the mattress in ways it was not designed for.
- Do not add extra layers, toppers, or materials that may interfere with its integrity.
- Avoid using heat treatments or other modifications that can damage the foam.
Protect Your Mattress from Physical Damage
Taking good care of your mattress is key to ensuring it lasts for years, but did you know that physical damage can also void your warranty? Even unintentional wear and tear can lead to denied claims, so handling your Plank Firm Luxe with care is essential. Beyond longevity, Plank Firm Luxe mattress’ safety depends on keeping it in the best possible condition.
Avoid placing heavy objects on the mattress for extended periods, as excessive weight can strain the internal materials. Jumping on the bed might seem harmless, but it can weaken the structure over time, reducing the support and durability. Also, be mindful of sharp objects that could puncture or tear the fabric, as even minor damage can compromise performance.
By following these simple precautions, you’ll not only maintain warranty coverage but also preserve the mattress’s comfort, support, and overall safety for restful sleep every night.
Prevent Excessive Moisture Exposure
Keeping your mattress dry is essential for maintaining its quality and longevity. Excess moisture can lead to mold, mildew, and foam deterioration—none of which are covered under the warranty. A little extra care can go a long way in preserving both comfort and durability.
One of the best ways to protect your mattress is by using a waterproof mattress protector. This simple addition helps prevent spills, sweat, and other liquid damage from seeping into the foam. Additionally, keeping your mattress in a well-ventilated space helps reduce humidity buildup, which can contribute to unwanted moisture retention. If you’re storing the mattress temporarily, avoid damp areas like basements or garages, where humidity levels are typically high.
By taking these precautions, you can prevent unnecessary wear and keep your Plank Firm Luxe mattress in top condition for years to come, ensuring a fresh and comfortable sleep environment every night.
Credits: Plank
Maintain a Clean and Stain-Free Mattress
Stains and excessive dirt can void your warranty if they affect the mattress’s materials.
- Vacuum your mattress regularly to remove dust and debris.
- Spot clean immediately using a damp cloth and mild detergent.
- Do not soak the mattress or use harsh chemicals for cleaning.
- Always use a mattress protector to safeguard against stains.
Keep Your Proof of Purchase
When it comes to protecting your investment, keeping proof of purchase is just as important as proper mattress care. Without a valid receipt, your lifetime warranty may not be honored, leaving you without coverage if an issue arises. Understanding what to expect when returning a Plank Firm Luxe mattress can also help ensure a smooth process if you ever need to make a claim.
To avoid any complications, be sure to save your original receipt at the time of purchase. It’s also a good idea to store a digital copy on your phone or computer so you can easily access it when needed. Your proof of purchase should clearly show the date of purchase, retailer information, and mattress model—details that may be required for warranty claims or returns.
By keeping your documentation organized, you’ll have peace of mind knowing you’re fully covered and prepared should you ever need warranty support.
Follow Proper Handling and Setup Guidelines
Incorrectly handling or moving your mattress can cause damage that voids the warranty.
- When unboxing, allow the mattress to fully expand before use.
- If moving, lift the mattress properly rather than folding or dragging it.
- Avoid using excessive force when adjusting the mattress position.
Credits: Plank
Contact Customer Support for Warranty Claims
If you suspect an issue covered by your warranty, follow the correct process for claims.
- Document any defects with photos before reaching out.
- Provide your proof of purchase when submitting a claim.
- Contact Plank customer support through their official website or retailer.
Plank Firm Luxe
Plank Firm Luxe
Final Thoughts
The Plank Firm Luxe mattress offers an impressive lifetime warranty, but to keep your coverage intact, proper care is essential. Following the right maintenance steps—such as using a sturdy foundation, protecting the mattress from stains and moisture, and avoiding physical damage—can make all the difference in preserving both comfort and durability.
Keeping your proof of purchase is just as important, as it ensures a hassle-free experience if you ever need to make a warranty claim. A little extra care goes a long way in helping you enjoy your mattress worry-free for years to come.
By taking these simple precautions, you’ll not only extend the lifespan of your mattress but also maintain the validity of your Plank Firm Luxe warranty. With the right care, you can rest easy knowing your mattress will continue to provide the firm support and comfort you need for a great night’s sleep.