Best Hot Tub Cover Foam Insert Replacement in 2025
Updated on August 2025
#1
Recommended
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- High-density foam construction withstands heavy loads and harsh winters, keeping debris out and reducing running costs.
- Zero water absorption technology prevents waterlogging and maintains effectiveness unlike traditional covers.
- Insulation value of R19 helps lock in heat and reduce energy bills, allowing outdoor elements to run off.
- Complies with industry safety standards for foam density, handles, and locking straps for added safety.
- Manufactured with premium materials for durability and quality in both outdoor and indoor settings.
- Custom-made covers designed for a precise fit, with a size tolerance of +/- 0.5".
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- High-density foam construction withstands heavy loads and harsh winters, keeping debris out and reducing running costs.
- Zero water absorption technology prevents waterlogging and maintains effectiveness unlike traditional covers.
- Insulation value of R19 helps lock in heat and reduce energy bills, allowing outdoor elements to run off.
- Complies with industry safety standards for foam density, handles, and locking straps for added safety.
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#2
Value for Money
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- Our Amazon store consistently receives positive feedback, boasting a 96% satisfaction rate based on verified purchases.
- Our thermal insulating cover is highly rated by verified customers, backed by a worry-free 5-year warranty.
- Our customizable ordering process allows you to create a spa cover tailored to your specific requirements and chosen components.
- Our covers can help reduce energy costs by up to $100 per year, thanks to efficient virgin EPS insulation foam that minimizes heater usage.
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- Our Amazon store consistently receives positive feedback, boasting a 96% satisfaction rate based on verified purchases.
- Our thermal insulating cover is highly rated by verified customers, backed by a worry-free 5-year warranty.
- Our customizable ordering process allows you to create a spa cover tailored to your specific requirements and chosen components.
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#3
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- Replace cracked or damaged foam in one side of your cover while keeping the external vinyl intact.
- Since 1986, we have provided ASTM compliant replacement covers, delivered directly to your home.
- Foam options include 4-inch thickness tapering to 2 inches, suitable for sloping tops or flat areas for better rain runoff.
- Customize your cover with our Design-Your-Own ordering, selecting insulation and strength according to your requirements.
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- Replace cracked or damaged foam in one side of your cover while keeping the external vinyl intact.
- Since 1986, we have provided ASTM compliant replacement covers, delivered directly to your home.
- Foam options include 4-inch thickness tapering to 2 inches, suitable for sloping tops or flat areas for better rain runoff.
- Customize your cover with our Design-Your-Own ordering, selecting insulation and strength according to your requirements.
#4
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- Floating thermal spa blanket
- Closed cell foam hot tub blanket
- Insulating spa blanket
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- Floating thermal spa blanket
- Closed cell foam hot tub blanket
- Insulating spa blanket
#5
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- Made from 3/8" thick high-density Thermaltech foam, this cover protects your hot tub from damage and reduces heating costs.
- Designed to fit most hot tubs, this cover can be easily trimmed for a secure fit, locking in heat and preventing evaporation.
- Investing in this thermal cover helps save on spa heating expenses by trapping heat and minimizing heat loss through evaporation.
- Ideal for all seasons, this lightweight cover replaces bulky hard covers, maintains warmth during cool nights, and keeps debris out of the spa.
- This thermal cover protects your expensive hard spa cover from chemical damage and reduces evaporation-related gas deterioration.
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- Made from 3/8" thick high-density Thermaltech foam, this cover protects your hot tub from damage and reduces heating costs.
- Designed to fit most hot tubs, this cover can be easily trimmed for a secure fit, locking in heat and preventing evaporation.
- Investing in this thermal cover helps save on spa heating expenses by trapping heat and minimizing heat loss through evaporation.
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#6
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- Immediate availability without the wait for custom orders for specific hot tub sizes.
- Constructed with high-quality materials and reinforced straps, exceeding ASTM load-bearing standards.
- Marine-grade vinyl offers protection against weather and debris, with a tapered design for efficient runoff.
- Insulated with R19 value to enhance energy efficiency and reduce heating costs.
- Trusted by over 30,000 customers annually for quality craftsmanship and longevity in hot tub covers.
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- Immediate availability without the wait for custom orders for specific hot tub sizes.
- Constructed with high-quality materials and reinforced straps, exceeding ASTM load-bearing standards.
- Marine-grade vinyl offers protection against weather and debris, with a tapered design for efficient runoff.
- Insulated with R19 value to enhance energy efficiency and reduce heating costs.
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#7
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- Features four locking tie-down straps on each side and two handles for easy handling and folding.
- Constructed with durable marine-grade vinyl and high-density foam, including two steam-stoppers for heat retention and a vapor barrier to protect cores from moisture.
- Non-corrosive galvanized C-Channel bars provide superior strength and structural support without adding excess weight.
- Tapered design from 4 inches to 2 inches ensures efficient rainwater runoff, with a breathable underside that resists chlorine and bromine.
- Fits hot tubs with dimensions from 82" to 84" and rounded corners from 10" to 12" radius.
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- Features four locking tie-down straps on each side and two handles for easy handling and folding.
- Constructed with durable marine-grade vinyl and high-density foam, including two steam-stoppers for heat retention and a vapor barrier to protect cores from moisture.
- Non-corrosive galvanized C-Channel bars provide superior strength and structural support without adding excess weight.
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#8
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- SIZE COMPATIBILITY: This 84” x 84” Spa Cover fits square hot tub sizes from 82” up to 84” and fits rounded corners from 10” up to 12” radius. 5" skirt is standard.
- HIGH QUALITY: We use durable WeatherShield fabric for the exterior. All covers include 2 steam stoppers to retain heat and we vapor barrier wrap each foam panel to keep moisture from the foam cores. These are complemented by marine-grade polyester thread and heavy-duty nylon zippers with aluminum pulls.
- COMPONENTIZATION: Because our covers are made from components, should any of the small foam panels ever break or waterlog, only the impacted foam panel will need to be replaced - not the whole cover - reducing the total cost of ownership and extending the life of your spa cover.
- FEATURES: Each cover is made standard with top-quality 1.5# density EPS foam cores with two Extreme Beams (one each side). The cover is tapered from 4" thick in the middle to 2" thick at the edges to ensure efficient rainwater runoff.
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- SIZE COMPATIBILITY: This 84” x 84” Spa Cover fits square hot tub sizes from 82” up to 84” and fits rounded corners from 10” up to 12” radius. 5" skirt is standard.
- HIGH QUALITY: We use durable WeatherShield fabric for the exterior. All covers include 2 steam stoppers to retain heat and we vapor barrier wrap each foam panel to keep moisture from the foam cores. These are complemented by marine-grade polyester thread and heavy-duty nylon zippers with aluminum pulls.
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#9
5% Off
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- 4.2Ft diameter compatible with most spa hot tubs; measure your hot tub before ordering.
- Quick and easy inflation for immediate use; keeps hot tub clean and warm.
- Energy-saving lid prevents wildlife, debris, dust, and reduces condensation and freezing.
- Effectively retains heat and minimizes water evaporation; captures solar energy to maintain temperature.
- Minimizes maintenance and reduces filter usage by keeping water clean and protected.
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- 4.2Ft diameter compatible with most spa hot tubs; measure your hot tub before ordering.
- Quick and easy inflation for immediate use; keeps hot tub clean and warm.
- Energy-saving lid prevents wildlife, debris, dust, and reduces condensation and freezing.
- Effectively retains heat and minimizes water evaporation; captures solar energy to maintain temperature.
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#10
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- Cover dimensions: 85" L x 85" W x 18" H; ensure to measure your hot tub before purchasing and choose a cover that exceeds these dimensions
- Weather-resistant: Designed to shield your hot tub from adverse weather, including debris, rain, snow, and sun exposure, ensuring protection and maintenance
- Moisture control: Equipped with air vents on both sides to release moisture; includes fabric handles for easy removal and application; note that this cover is not insulated, a hard cover is still needed
- Durable construction: Made from heavy-duty fabric featuring waterproof coating; double-stitched seams with sealant for enhanced strength and to prevent leaks and tears
- Secure attachment: Features four adjustable buckles and waterproof zippers at each corner for a reliable fit, ensuring the cover stays in place during strong winds and various weather conditions
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- Cover dimensions: 85" L x 85" W x 18" H; ensure to measure your hot tub before purchasing and choose a cover that exceeds these dimensions
- Weather-resistant: Designed to shield your hot tub from adverse weather, including debris, rain, snow, and sun exposure, ensuring protection and maintenance
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