Best Flotation Foam For Boats In July 2025

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Below is the top 10 Best Flotation Foam For Boats review to guide you buy the best product. Choose one of these products and your satisfaction is guaranteed!

To help you in your search, we have completed this list of the Best Flotation Foam For Boats.

Top Rated Best Flotation Foam For Boats Of 2025

Rank	Product Name	Score
1	Flowt 40104 Type IV Throwable Floatation Foam Cushion, USCG Approved, White Buy Now	9.7 Buy Now
2	SEACHOICE 44920 Foam Emergency Marine Flotation Cushion 15-Inch x 15-Inch, White Buy Now	9.5 Buy Now
3	STEARNS Utility Flotation Cushion Buy Now	9.1 Buy Now
4	Polymer Planet Liquid Urethane - 2-Part Closed Cell Rigid Pour Foam - 2 Buy Now	8.8 Buy Now
5	TotalBoat Liquid Urethane Foam Kit 2 Lb Density, Closed Cell for Flotation Buy Now	8.6 Buy Now
6	Polymer Planet Liquid Urethane 1 Gallon Kit - 4 Lb Density- 2 Part Buy Now	8.3 Buy Now
7	Bradley Type IV Boat Cushion USCG Approved Throwable Flotation Device - Purple Buy Now	8.1 Buy Now
8	Polymer Planet Liquid Urethane - 2-Part Closed Cell Rigid Pour Foam - 2 Buy Now	7.8 Buy Now
9	TotalBoat Liquid Urethane Foam Kit 6 Lb Density, Closed Cell for Flotation Buy Now	7.5 Buy Now
10	Airhead Sun Comfort Saddle Buy Now	7.2 Buy Now

1. Flowt 40104 Type IV Throwable Floatation Foam Cushion, USCG Approved, White

• Functional and comfortable pe foam
• Measures 16 x 14-3/8 inch
• Strong, durable outer shell withstands abrasions
• Webbed throw handles
• Satisfies us coast guard requirments for boats over 16 feet

2. SEACHOICE 44920 Foam Emergency Marine Flotation Cushion 15-Inch x 15-Inch, White

• U.s. coast guard approved type iv throwable flotation device
• Color: white
• Size: 15 inch x 15 inch
• Comfortable seat cushion
• Nylon outer shell withstands abrasion

3. STEARNS Utility Flotation Cushion

• Utility cushion doubles as a comfortable place to sit and as a flotation cushion
• Soft polyester shell and durable crosstech flotation foam
• Us coast guard-approved type iv flotation device
• Measures 16 x 14 inches
• Strong 1-inch webbed straps make it easy to hold onto and aid in rescue

4. Polymer Planet Liquid Urethane - 2-Part Closed Cell Rigid Pour Foam - 2

• Easy to use, closed cell foam ,excellent void filling capacity
• Made in the usa
• Very affordable
• Provides strong, lasting results, water proof , sound proof
• Sets quickly to save you time

5. TotalBoat Liquid Urethane Foam Kit 2 Lb Density, Closed Cell for Flotation

• Marine-grade, 2-part liquid polyurethane expanding flotation foam with simple 1: 1 mix ratio by volume. sets up quickly, and cures at room temperature.
• Sizes: available in 2-quart and 2-gallon kit sizes, yield: 2-quart kit 2 cubic ft. , 2-gallon kit 8 cubic ft. , flotation range (admixed): 75 lbs. /qt. and 300 lbs. /gal. , proper temperature, timing, mixing, and venting are critical to achieving proper expansion - application temperature: 75-80f, mixing time: 25 seconds (mix thoroughly, there should be no visible ...
• Pourable polyurethane foam is very easy to use, expands rapidly, and hardens in place in about 5 minutes at 70-80f, with minimal shrinkage. foam can be poured in separate batches to build up multiple layers, forming strong bonds between layers.
• Cures to a rigid, 94% closed-cell foam that resists water absorption, and is not affected by gas, oil, or solvents. once fully cured, foam can be coated with polyester, epoxy, or vinyl ester resins, without melting. it can also be cut to desired shape easily.
• Lightweight, 2 lb. density is ideal for adding buoyancy, insulating, soundproofing, and filling gaps or voids. for nonstructural applications only. shelf life is 6 months from date of manufacture. cures to a rigid, 94% closed-cell foam that resists water absorption, and is not affected by gas, oil, or solvents. once fully cured, foam can be coated with polyester, epoxy,...

6. Polymer Planet Liquid Urethane 1 Gallon Kit - 4 Lb Density- 2 Part

• long lasting results - once cured, urethane is unaffected by gasoline, oil, fresh or salt water, or solvents, making it one of the most dependable and enduring materials for boating needs.
• liquid foam insulation - the ideal foam for marine applications, our liquid urethane is great for soundproofing and insulating. use it to fill dock floats or gaps and cavities in boat parts.
• easy to use - great even for novice boat owners! this pourable liquid urethane foam is very easy to work with and expands rapidly. mix at a 1:1 resin to hardener ratio for best results.
• impressive strength - urethane is both lightweight and extremely reliable. after curing into its rigid form, our insulating foam boasts a 95 to 98% closed cell structure with a 4-lb density.
• quick setting - our expanding foam has a short curing time and minimal shrinkage, leaving your boat ready for use just hours after application. the foam hardens in place within 10 minutes.

7. Bradley Type IV Boat Cushion USCG Approved Throwable Flotation Device - Purple

• Size: 15"x15"x3"
• Approved by the u.s. coast guard
• Convenient straps to aid in throwing during rescue
• Type iv throwable boat cushion

8. Polymer Planet Liquid Urethane - 2-Part Closed Cell Rigid Pour Foam - 2

• easy to use - great even for novice boat owners! this pourable liquid urethane foam is very easy to work with and expands rapidly. mix at a 1:1 resin to hardener ratio for best results.
• long lasting results - once cured, urethane is unaffected by gasoline, oil, fresh or salt water, or solvents, making it one of the most dependable and enduring materials for boating needs.
• quick setting - our expanding foam has a short curing time and minimal shrinkage, leaving your boat ready for use just hours after application. the foam hardens in place within 10 minutes.
• impressive strength - urethane is both lightweight and extremely reliable. after curing into its rigid form, our insulating foam boasts a 95 to 98% closed cell structure with a 2-lb density.
• liquid foam insulation - the ideal foam for marine applications, our liquid urethane is great for soundproofing and insulating. use it to fill dock floats or gaps and cavities in boat parts.

9. TotalBoat Liquid Urethane Foam Kit 6 Lb Density, Closed Cell for Flotation

• 6 lb. density formula is great for plug making, filling buoys, creating sculptures, and more.
• Fast-setting, pourable polyurethane foam has a simple 1: 1 mix ratio that makes it very easy to use. mixed foam expands rapidly, and hardens in place in about 5 minutes at 70-80f. to fill larger areas, pour foam in separate batches, building up multiple layers.
• Cures to a rigid, 94% closed-cell foam, where each individual cell traps air and prevents liquids like water, gas, and oil from penetrating.
• Sizes: available in 2-quart and 2-gallon kit sizes, yield: 2-quart kit 3/4 cubic ft. , 2-gallon kit 3 cubic ft. , flotation range (admixed): 23 lbs. /qt. and 92 lbs. /gal. , proper temperature, timing, mixing, and venting are critical to achieving proper expansion - application temperature: 75-80f, mixing time: 25 seconds (mix thoroughly, there should be no visible...
• 2-part, high-density liquid polyurethane expanding pour foam cures very hard and rigid, with high compressive strength ideal for structural support, architectural castings, art-related applications, and flotation.

10. Airhead Sun Comfort Saddle

• Stay cool on a hot day with suncomfort's super comfortable saddle float.
• The closed cell foam won't absorb water, crack, chip, peel, or tear, yet it is incredibly soft to the touch
• You'll love the relaxing in-water immersion floating sensation with nothing to inflate or assemble
• Made of ecocell foam, a long-lasting, luxurious foam that's environmentally-friendly and is 100% pvc free with no harmful off-gassing or oils touching your skin
• 32" x 16" x 1 1/4