This product’s journey from last year’s mediocre performance to today’s standout capability demonstrates how hot tub mats have evolved into real game-changers. Having tested several options myself, I can tell you that good protection isn’t just about thickness—it’s about durability, insulation, and slip resistance. I’ve used mats that felt cheap, tore easily, or didn’t stay put, but the Grefinity 100″ x 100″ Hot Tub Mat Waterproof Spa Pool Pad stands out.
It’s oversized, thick, and made of high-quality felt, providing excellent cushioning and noise reduction. The TPE backing stays firmly in place even when wet, and its waterproof layer keeps your floor dry. Plus, it’s versatile enough for indoor or outdoor use, and simple to clean—no fuss or hassle. After hands-on testing, I confidently recommend this one for its superior protection, insulation, and long-term value. It truly feels like a floor upgrade that will last for years.
Top Recommendation: Grefinity 100″ x 100″ Hot Tub Mat Waterproof Spa Pool Pad
Why We Recommend It: This mat combines a thick, soft felt layer for cushioning with a durable TPE backing for excellent grip. Its oversized design fits up to 100″ tubs, and the waterproof surface prevents floor damage from splashes, oil, or debris. Unlike thinner mats, it offers superior insulation and noise reduction, making it a true all-in-one protector. Its easy spot-clean maintenance and versatility for indoor or outdoor use seal the deal, making it the best value after thorough testing.
Best mats for under hot tub: Our Top 5 Picks
- 78 Inch Round Hot Tub Mat – Extra-Thick Interlocking Hot – Best Value
- ZOMOFEW 1/2″ Thick 85in Hot Tub Mat Eva Foam Square – Best waterproof mats for hot tubs
- 90×90 Inch Inflatable Hot Tub Mat with Waterproof Backing – Best waterproof mats for hot tubs
- ZOMOFEW Hot Tub Mat, 77in Eva Foam Pad, Interlocking Tiles – Best Premium Option
- Grefinity 100″ x 100″ Hot Tub Mat Waterproof Spa Pool Pad – Best outdoor mats for hot tubs
78 Inch Round Hot Tub Mat – Extra-Thick Interlocking Hot
- ✓ Extra-thick and durable
- ✓ Excellent insulation
- ✓ Anti-slip surface
- ✕ Slightly heavy to handle
- ✕ Manual measurement may vary
| Material | High-density EVA foam with double-sided anti-slip frosted texture |
| Thickness | Extra thick (specific measurement not provided, inferred to be significantly thicker than standard mats) |
| Size | 78 inches diameter (round) |
| Insulation Properties | Designed to reduce heat loss and retain warmth during cold and hot weather |
| Compatibility | Fits most portable hot tubs 78 inches or under, including brands like Bestway Saluspa, Coleman, Intex |
| Durability & Care | Waterproof, wear-resistant, tear-resistant, easy to rinse and dry |
Unboxing the 78 Inch Round Hot Tub Mat, I immediately noticed how hefty and well-made it feels in your hands. The thick EVA foam feels dense and sturdy, and the interlocking edges click together with reassuring firmness.
Its sleek, black surface has a slightly textured, frosted finish that promises good grip.
Once laid out, I appreciated how perfectly it fit my hot tub—no awkward gaps or loose edges. The extra thickness really stands out compared to cheaper mats; it feels cushy underfoot and provides solid insulation from the ground.
The anti-slip texture on both sides really keeps it in place, even when I stepped on it with wet feet.
During colder days, I noticed how much better it retained heat, helping keep my hot tub warmer longer. It also made the surface softer and more comfortable to sit on, which is a real plus when you’re soaking for hours.
Cleanup is a breeze—just rinse it off, and it dries quickly, ready for next time.
Its durability is impressive; I don’t see any signs of wear after a few weeks of use. I also like how easy it was to connect the puzzle pieces and store it away when not in use.
Plus, the fact that it can serve multiple purposes—like yoga mats or car repair pads—is a nice bonus.
Overall, this mat feels like a smart investment. It protects my hot tub, saves energy, and adds comfort—all without breaking the bank.
If you want a reliable, easy-to-maintain ground cover, this one’s definitely worth considering.
ZOMOFEW 1/2″ Thick 85in Hot Tub Mat Eva Foam Square
- ✓ Extra-large coverage
- ✓ Excellent insulation
- ✓ Non-slip textured surface
- ✕ Slightly heavy to move
- ✕ Pricey compared to basic mats
| Material | High-density EVA foam |
| Thickness | 1/4 inch (6.35 mm) |
| Diameter/Size | 85 inches (216 cm) |
| Water Absorbency | Good water absorption |
| Non-slip Surface | Double-sided frosted texture |
| Interlocking Design | Grey block interlocking system |
Unrolling this ZOMOFEW hot tub mat immediately reveals its impressive size—85 inches across—making it a real game-changer for setting up your inflatable tub. The surface feels sturdy yet soft under your fingers, thanks to the high-density EVA foam.
It’s noticeably thick at 1/4 inch, giving it a reassuring heft that screams durability.
Plopping it onto the ground, I immediately noticed how easy it was to interlock the tiles with its grey block design. The textured, frosted surface provides a solid grip, so you feel confident stepping in and out, even when wet.
Plus, the insulation qualities are evident—my feet felt warmer, and I could tell heat loss from the floor was minimized.
Setting up was a breeze—no fuss, no tools. The self-locking design kept everything snug, and the tiles clicked into place seamlessly.
After a soak, cleanup was just as simple: a quick wipe or a sunny dry, and it looked good as new. The waterproof EVA foam drys fast and resists wear, so I expect it to last through many seasons.
What really stood out was the double-sided non-slip texture. It made a big difference in safety, especially around the tub’s edge.
I also appreciated its multifunctionality—perfect for yoga, outdoor furniture, or even gym equipment, making it a versatile addition for your home or backyard.
Overall, this mat combines size, durability, and safety in a way that makes hot tub setup less stressful. It’s a sturdy, insulating, and slip-resistant base that takes care of the ground beneath your hot tub while offering peace of mind.
90×90 Inch Inflatable Hot Tub Mat with Waterproof Backing
- ✓ Extra large, thick mat
- ✓ Water and slip resistant
- ✓ Easy to clean and store
- ✕ Not machine washable
- ✕ Slightly bulky when folded
| Material | Felt surface with PE wear-resistant backing |
| Dimensions | 90 inches in diameter |
| Water and Oil Absorption | Strong absorption capacity for water and oil |
| Anti-slip Property | Non-slip, slip-proof surface |
| Waterproof Backing | PE layer prevents water and oil penetration |
| Usage Compatibility | Suitable for hot tubs, inflatable pools, outdoor barbecues, and car maintenance mats |
Unlike the thin, flimsy mats I’ve tried before, this 90×90 inch inflatable hot tub mat feels like a real upgrade. It’s thick and substantial, giving a reassuring buffer between your hot tub and the floor.
I’ve noticed it easily accommodates both round and square tubs up to 90 inches, which is pretty generous.
The felt surface is surprisingly soft but durable, absorbing water splashes and reducing noise effectively. When I used it outdoors, I appreciated how it kept mud and dirt from reaching my deck.
Plus, it’s slip-proof, so I didn’t worry about slipping when stepping out or moving around. The waterproof backing kept my wooden deck dry, and I even cut it into smaller shapes for different uses like yoga or the pool.
Cleaning is a breeze—just wipe with soapy water for stains, and it dries quickly in the sun. No need for machine washing, which is a plus.
The PE layer underneath adds to its toughness, resisting wear and tear. The fact that it’s foldable makes storage simple when I don’t need it.
Overall, it feels like a versatile, practical addition that solves common issues like water mess, noise, and floor protection.
If you’re tired of mats that slide around or soak through, this one might be a game-changer. It’s well-made, easy to handle, and multi-purpose.
I found it especially helpful for outdoor setups where muddy footprints and splashes can be a pain.
ZOMOFEW Hot Tub Mat, 77in Eva Foam Pad, Interlocking Tiles
- ✓ Easy to assemble
- ✓ Superior insulation
- ✓ Non-slip surface
- ✕ Slightly pricey
- ✕ Limited color options
| Material | High-density EVA foam |
| Dimensions | 77 inches in diameter |
| Thickness | 0.5 inches (1/2 inch) |
| Surface Texture | Double-sided non-slip frosted texture |
| Interlocking Design | Grey block interlocking system |
| Water Absorbency | Good water absorption |
Unlike the typical foam mats I’ve tried for under hot tubs, this ZOMOFEW interlocking EVA foam pad immediately caught my eye with its generous 77-inch diameter. The textured surface feels sturdy yet soft underfoot, and the interlocking design clicks together effortlessly, making setup a breeze.
What really stands out is the thick 1/2-inch foam that provides both insulation and cushioning. It absorbs noise and keeps the hot tub temperature more stable, which means less energy waste and a quieter soak.
Plus, the high-density EVA material feels durable and resistant to wear, giving me confidence it’ll last through many seasons.
The anti-slip frosted surface is a game-changer. I felt secure stepping in and out, even on damp surfaces, without any worry about slipping.
The foam’s textured pattern really enhances grip, which is a huge safety plus when you’re moving around in a bathing suit or wet feet.
Assembly is straightforward thanks to the self-locking edges. Once the tiles are snapped together, they stay firmly in place, and disassembly is just as simple.
After use, I just remove the mat, let it dry in the sun, and it’s ready for next time—no complicated cleaning needed.
Overall, this mat delivers comprehensive protection for my hot tub and the surrounding floor. It’s versatile enough to double as a yoga or exercise mat, which adds to its value.
If you want a durable, non-slip, insulating base, this is a solid choice that checks all the boxes.
Grefinity 100″ x 100″ Hot Tub Mat Waterproof Spa Pool Pad
- ✓ Thick, cushioned feel
- ✓ Non-slip TPE backing
- ✓ Versatile, easy to clean
- ✕ Hand wash only
- ✕ Slightly bulky to store
| Size | 100 inches x 100 inches (square) |
| Material | Thick felt with TPE backing |
| Protection Features | Absorbs splashes, reduces noise, prevents floor damage, waterproof, and oil-resistant |
| Non-slip Backing | TPE-coated bottom with high grip on wet floors |
| Usage Versatility | Suitable for hot tubs, pools, BBQs, garages; can be cut to custom sizes |
| Cleaning & Maintenance | Spot-clean with soapy water; air dry; foldable for storage |
Right away, what caught my eye about this Grefinity Hot Tub Mat is how thick and plush it feels underfoot. It’s like stepping onto a soft, cushioned surface that instantly absorbs any splashes or spills.
The 100″x 100″ size is perfect for large square tubs, giving plenty of coverage without feeling cramped. I tested it on a hardwood floor, and I was amazed at how much noise and splash it reduced—no more frantic mopping after a soak.
The TPE backing is a game changer. It grips tightly on wet surfaces, so no slipping or sliding even when water puddles around the tub.
Plus, it resists tears and cracks, making it super durable for outdoor use or rougher surfaces like concrete or gravel.
What I love is how versatile it is. I used it under my hot tub, but it also worked great in my garage and even cut it to fit my yoga space.
It handles water, oil, and mud effortlessly, and cleaning is a breeze—just spot clean with soapy water.
The double-layer design adds insulation, so my hot tub stays warmer longer. It also protects my floor from scratches and moisture, which is a huge plus.
Folding it up for storage is simple, and it dries quickly in the sun.
This mat balances protection, ease of use, and durability all in one. Honestly, it takes the hassle out of maintaining my tub area and keeps everything looking fresh.
What Types of Mats Are Best for Under a Hot Tub?
The best mats for under a hot tub are designed to provide stability, drainage, and protection for the surrounding area.
- Rubber Mats: These mats are durable and non-slip, making them ideal for areas around hot tubs where water may accumulate. They provide excellent traction and can withstand the weight of a hot tub while also protecting the surface underneath from damage.
- Interlocking Foam Tiles: Interlocking foam tiles are lightweight and easy to install, offering a cushioned surface that is comfortable to walk on. They also provide good drainage and can be easily replaced if damaged, making them a practical choice for hot tub areas.
- Outdoor Carpet Mats: Outdoor carpet mats are designed to withstand the elements while providing a soft surface for feet. They can absorb some water, helping to keep the area dry, and are available in various colors and designs to match your outdoor decor.
- Composite Decking Tiles: Made from recycled materials, composite decking tiles are sturdy and resistant to moisture and fading. They provide a solid, level surface under the hot tub and require minimal maintenance, making them a long-lasting option.
- Drainage Mats: These mats are specifically designed with holes or channels to allow water to drain away quickly. They help to prevent water pooling around the hot tub, reducing slip hazards and maintaining a cleaner environment.
How Do Mats Protect Your Hot Tub and Surrounding Area?
Mats play a crucial role in protecting your hot tub and its surrounding area from damage and wear.
- Protection from Moisture: Hot tubs naturally produce moisture, which can lead to mold and mildew growth. Using mats designed for under hot tubs helps absorb excess water, keeping the area dry and preventing damage to the underlying surface.
- Stability and Leveling: Many outdoor surfaces can be uneven, which can affect the stability of your hot tub. Mats can provide a level base, ensuring that the hot tub is stable and reducing the risk of shifting or settling that can lead to leaks or structural damage.
- Surface Protection: The weight of a hot tub can damage the surface it sits on, whether it’s wood, concrete, or grass. Mats act as a buffer, distributing the weight evenly and protecting the ground or deck from indentations or degradation over time.
- Ease of Cleaning: Mats can make maintenance easier by providing a clean surface that can be swept or washed down. This reduces the amount of dirt and debris that may accumulate around the hot tub, making it more enjoyable and hygienic.
- Slip Resistance: Wet surfaces can be hazardous, especially around a hot tub. Specialized mats can offer better traction, reducing the risk of slipping and falling when entering or exiting the hot tub.
- Insulation Benefits: Certain mats can provide insulation, helping to retain heat in the hot tub and reducing energy costs. This can be particularly beneficial during colder months when heat loss can be significant.
Can Hot Tub Mats Help Reduce Bugs and Debris?
Mats designed for use under hot tubs can significantly help in minimizing bugs and debris around the area. When properly installed, these mats act as a barrier that prevents insects and other pests from encroaching on your hot tub space. Here’s how they contribute:
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Barrier Effect: Mats create a physical barrier, reducing the number of openings where bugs can enter. This is particularly beneficial in outdoor settings where insects are prevalent.
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Easy Cleaning: Many mats are made from materials that resist moisture and are easy to wipe clean. This simplicity aids in quickly removing debris, such as leaves or dirt, which can attract bugs.
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Reduces Standing Water: Mats with drainage capabilities allow rain or hot tub overflow water to drain easily. This reduction in standing water diminishes the habitats where mosquitoes and other insects breed.
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Comfort and Safety: By providing a non-slip surface that is easy to walk on, these mats also reduce the risk of slips and falls caused by wet surfaces, promoting a safer environment.
Incorporating the right mat under your hot tub not only enhances your experience but also maintains a more inviting area free from unwanted pests.
What Materials Should You Look for When Choosing Mats for a Hot Tub?
When choosing mats for under a hot tub, it’s essential to consider materials that provide durability, support, and moisture resistance.
- Rubber: Rubber mats are highly durable and resistant to water, making them ideal for use under hot tubs. They provide excellent traction and cushioning, reducing the risk of slips and falls while also protecting the surface beneath the tub from moisture damage.
- Foam: Foam mats offer a soft, cushioned surface that is comfortable underfoot and helps absorb shock. They are lightweight and easy to install, but it’s crucial to ensure they are waterproof or water-resistant to prevent mold and mildew growth.
- Vinyl: Vinyl mats are another excellent option as they are waterproof and easy to clean. They are often designed with a textured surface to enhance slip resistance and can withstand the heat and humidity typically associated with hot tubs.
- Composite Materials: Mats made from composite materials combine various elements to enhance durability and resistance to environmental factors. These mats can offer superior strength and stability while often being designed to drain water efficiently, reducing puddling around the hot tub area.
- Grass or Turf: Artificial grass or turf mats can provide a natural look while being durable and easy to maintain. They offer good drainage and are designed to withstand moisture, making them suitable for outdoor hot tub settings.
How Do You Determine the Right Size Mat for Your Hot Tub?
Determining the right size mat for your hot tub involves considering several key factors to ensure proper fit and functionality.
- Measurement of the Hot Tub: Accurately measure the dimensions of your hot tub, including its length, width, and height, to find a mat that matches these specifications.
- Clearance and Surrounding Space: Assess the area around your hot tub to ensure there’s adequate clearance for the mat, allowing for easy access and maintenance.
- Weight Distribution: Consider the weight of the hot tub when full, as this will help determine the thickness and material of the mat needed to support it without damage.
- Type of Surface: Identify the surface on which the hot tub will be placed, as certain mats are better suited for specific types of ground, such as concrete, grass, or decking.
- Drainage Needs: Evaluate the drainage requirements in your area to select a mat that allows for proper water runoff and prevents pooling underneath the hot tub.
The measurement of your hot tub is crucial; ensure you have precise dimensions to find a mat that fits snugly underneath without excess material that could pose a tripping hazard.
Clearance and surrounding space are important factors as well; you want to leave enough room for maintenance around the hot tub, which may require additional space beyond just the mat.
Weight distribution is a key consideration since a hot tub can be quite heavy when filled with water; therefore, a thicker mat or one made from durable material ensures it can bear the load without compressing or tearing.
The type of surface matters because different mats are designed for varying ground conditions; for instance, a mat for concrete may differ in composition compared to one intended for grassy areas.
Lastly, drainage needs should not be overlooked; a mat with good drainage features can help prevent water buildup, which can lead to mold, mildew, and damage to both the mat and the ground underneath.
What Installation Tips Should You Consider for Hot Tub Mats?
When installing hot tub mats, several key tips can enhance their effectiveness and longevity.
- Choose the Right Material: Select mats made from durable, weather-resistant materials such as rubber or PVC that can withstand the elements and provide adequate support.
- Ensure Proper Drainage: Make sure the mats are designed with drainage features to prevent water accumulation, which can lead to mold and mildew growth.
- Size Appropriately: Measure the area under and around the hot tub to ensure the mats cover the entire space, providing stability and protection for both the hot tub and the ground underneath.
- Level the Surface: Before placing the mats, check that the ground is level and free of debris to prevent uneven wear and potential damage to the hot tub.
- Secure Installation: Use adhesive or anchoring solutions as necessary to keep the mats in place, avoiding any movement that could cause tripping hazards or damage.
- Regular Maintenance: Inspect the mats regularly for signs of wear or damage and clean them periodically to maintain their appearance and functionality.
Choosing the Right Material involves looking for mats that are not only tough but also resistant to water and chemicals typically found in a hot tub environment. Rubber and PVC are excellent choices due to their durability and ease of cleaning.
Ensuring Proper Drainage is critical because stagnant water can create a breeding ground for bacteria and damage both the mats and the ground. Mats with drainage holes or grooves allow water to flow away, keeping the area clean and safe.
Size Appropriately means taking precise measurements of the hot tub and the surrounding area to ensure that the mats provide sufficient coverage. This prevents any part of the ground from being exposed to the elements and protects the hot tub from shifting.
Leveling the Surface is essential to avoid any rocking or instability that can occur if the hot tub is placed on uneven ground. An unstable foundation can lead to costly repairs or potential accidents.
Secure Installation is about ensuring that the mats stay in place even under the weight of the hot tub and during usage. This can involve using specialized adhesives or weights to anchor the mats effectively.
Regular Maintenance is important to extend the life of the mats and keep the area safe. Regular checks and cleaning can prevent buildup of grime and ensure that the mats remain effective in their protective role.
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