--- product_id: 23482186 title: "2 Lb Density Expanding Foam Kit, 2 Part Closed Cell Pourable Polyurethane for Boat Flotation, Insulation, Reinforcement and Void Filling (2 Gallon Kit)" brand: "totalboat" price: "₱33985" currency: PHP in_stock: true reviews_count: 8 category: "Total Boat" url: https://www.desertcart.ph/products/23482186-2-lb-density-expanding-foam-kit-2-part-closed-cell store_origin: PH region: Philippines --- # 94% closed cell - superior water resistance 5 min cure time - rapid hardening 2 lb density - ultra lightweight strength 2 Lb Density Expanding Foam Kit, 2 Part Closed Cell Pourable Polyurethane for Boat Flotation, Insulation, Reinforcement and Void Filling (2 Gallon Kit) **Brand:** totalboat **Price:** ₱33985 **Availability:** ✅ In Stock ## Summary > 🚤 Float, Fill, and Fortify Like a Pro — Stay Ahead of the Wave! ## Quick Answers - **What is this?** 2 Lb Density Expanding Foam Kit, 2 Part Closed Cell Pourable Polyurethane for Boat Flotation, Insulation, Reinforcement and Void Filling (2 Gallon Kit) by totalboat - **How much does it cost?** ₱33985 with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.ph](https://www.desertcart.ph/products/23482186-2-lb-density-expanding-foam-kit-2-part-closed-cell) ## Best For - totalboat enthusiasts ## Why This Product - Trusted totalboat brand quality - Free international shipping included - Worldwide delivery with tracking - 15-day hassle-free returns ## Key Features - • **Ready When You Are:** Optimal working temp 75-85°F ensures peak expansion and rigidity in just minutes. - • **Marine-Grade Durability:** USCG-compliant closed cell foam resists water, oil, and solvents—built to last on the water. - • **Multi-Functional Mastery:** From buoyancy to soundproofing and insulation, one kit covers all your marine and DIY needs. - • **Effortless 1:1 Mix & Pour:** Simplify your project with a foolproof equal-part formula that expands rapidly for flawless fills. - • **Precision Layering for Perfect Results:** Pour in stages to build strength and shape complex voids with zero shrinkage. ## Overview TotalBoat’s 2 lb density expanding polyurethane foam kit delivers fast-setting, closed cell foam engineered for marine flotation, insulation, and soundproofing. With a simple 1:1 mix ratio and rapid 5-minute cure time, it offers superior water resistance and structural reinforcement for nonstructural applications. US Coast Guard compliant and versatile, this 2-gallon kit yields up to 8 cubic feet of durable, lightweight foam perfect for boat decks, pontoons, and creative DIY projects. ## Description Be safer and more comfortable on your boat with Total Boat Two Part Polyurethane Marine Expanding Foam. This US Coast Guard compliant pour foam is commonly used to add buoyancy to keep a boat afloat if hull integrity is compromised. Its closed cell foam structure enables it to resist water absorption for many years, making it ideal for filling pontoons and cavities in kayaks and beneath boat decks. 2 Lb. density expanding urethane foam kit mixes to form a fast-setting, pourable liquid foam that cures to a rigid, lightweight material that's also great for filling gaps, soundproofing, and providing thermal foam insulation and nonstructural support in a variety of marine, household and art applications.Two part flotation foam has a simple 1:1 mix ratio that makes it easy to use. Warm conditions of 75-85°F are very important, as are accurate measuring, thorough mixing, and proper venting of the area where the foam is to be applied, because it expands tremendously by volume. Just mix one part resin and one part activator, stir vigorously for about 25 seconds to mix completely and pour immediately into the prepared area. Expanding foam will distribute itself evenly - even into irregularly shaped areas. Cured foam hardens into shape, with minimal shrinkage, and can be cut to shape easily. Once fully cured, any areas exposed to sunlight should be laminated or painted over with polyester, epoxy or vinyl ester coatings. For best results filling larger areas, pour in multiple layers to allow proper cure and maximum strength bonding between layers. Always wear proper eye, face and clothing protection when you mix and pour two part marine foam.Compare to Evercoat Marine Foam-It, FGCI Polyurethane Foam, Polymer Planet Liquid Urethane Foam, Morris Materials Urethane Pour Foam, True Composites Pour Foam, and System Three Flotation Foam for boats. All TotalBoat products provide great value and great results. 100% made in the USA. Review: It really works! - Absolutely fantastic, it really does what they claim. The photo is a 18” tube 55” long. One set filled it for me. Great flotation! Review: This stuff is AWESOME! - Want to feel like a scientist!? For real, this floatation foam blew away my expectations. I was building a custom boat, and so I decided to use flotation foam for the bow of the boat. I was shocked at how much it expanded and how easy it was to use and pour. Now it's got me thinking of what else I could use it for! Great product, great company! ## Features - LIGHTWEIGHT, TWO PART POLYURETHANE FOAM: Ideal for adding buoyancy, thermal insulation, soundproofing, and filling gaps or voids; for nonstructural applications only; tested in accordance with U.S. Coast Guard Regulation # 33 CFR 183.114 - EASY TO USE: Liquid urethane pour foam has a simple 1:1 mix ratio, expands rapidly & hardens in place in about 5 min. at 70-80°F; to build multiple layers for filling under boat decks, pour expanding foam in separate batches - 94% CLOSED CELL FOAM: Perfect for marine applications; resists water absorption and damage from gas, oil or solvents; once cured, foam can be coated with polyester, epoxy or vinyl ester resin; can also be easily cut or carved to shape - IDEAL WORKING TEMPERATURE IS 75-85°F; proper temperature, timing, mixing and venting are critical for proper foam expansion; below 75°F expansion decreases; after mixing, the foam expands rapidly and becomes rigid, so clean the surface in advance and be ready to pour - AVAILABLE IN A 2 QUART KIT AND A 2 GALLON KIT; Yield: 2 Quart Kit – 2 cubic ft; 2 Gallon Kit – 8 cubic ft; Flotation Range for 2lb foam: 75 lbs per mixed 2 quart kit, and 300 lbs per mixed 2 gallon kit; shelf life is 6 months from date of manufacture ## Technical Specifications | Specification | Value | |---------------|-------| | ASIN | B01AAP3ILC | | Best Sellers Rank | #21,596 in Sports & Outdoors ( See Top 100 in Sports & Outdoors ) #28 in Boat Painting Supplies | | Brand | TotalBoat | | Brand Name | TotalBoat | | Coverage | 8 cubic feet | | Customer Reviews | 4.6 out of 5 stars 1,029 Reviews | | Included Components | resin and hardener | | Item Type Name | polyurethane foam | | Item Weight | 20 Pounds | | Manufacturer | TotalBoat | | Manufacturer Part Number | TB-FOAM | | Material | Polyurethane Resin | | Material Type | Polyurethane Resin | | Model Number | TB-FOAM | | Number of Items | 1 | | Number of Packs | 1 | | Recommended Uses For Product | Thermal Insulation, Sound Insulation, Flotation, Gap Filling, Nonstructural Support | | UPC | 811932022103 | | Unit Count | 256.0 Fluid Ounces | ## Product Details - **Brand:** TotalBoat - **Manufacturer:** TotalBoat - **Material:** Polyurethane Resin - **Recommended Uses For Product:** Thermal Insulation, Sound Insulation, Flotation, Gap Filling, Nonstructural Support - **UPC:** 811932022103 ## Images ![2 Lb Density Expanding Foam Kit, 2 Part Closed Cell Pourable Polyurethane for Boat Flotation, Insulation, Reinforcement and Void Filling (2 Gallon Kit) - Image 1](https://m.media-amazon.com/images/I/71-8XU1av-L.jpg) ![2 Lb Density Expanding Foam Kit, 2 Part Closed Cell Pourable Polyurethane for Boat Flotation, Insulation, Reinforcement and Void Filling (2 Gallon Kit) - Image 2](https://m.media-amazon.com/images/I/81K18lg-40L.jpg) ![2 Lb Density Expanding Foam Kit, 2 Part Closed Cell Pourable Polyurethane for Boat Flotation, Insulation, Reinforcement and Void Filling (2 Gallon Kit) - Image 3](https://m.media-amazon.com/images/I/716fMWBCpmL.jpg) ![2 Lb Density Expanding Foam Kit, 2 Part Closed Cell Pourable Polyurethane for Boat Flotation, Insulation, Reinforcement and Void Filling (2 Gallon Kit) - Image 4](https://m.media-amazon.com/images/I/81Wj8-s0NYL.jpg) ![2 Lb Density Expanding Foam Kit, 2 Part Closed Cell Pourable Polyurethane for Boat Flotation, Insulation, Reinforcement and Void Filling (2 Gallon Kit) - Image 5](https://m.media-amazon.com/images/I/71Lpkzf1ilL.jpg) ## Available Options This product comes in different **Size** options. ## Questions & Answers **Q: Can you use on basement cracks** A: The foam is made to fill voids in boats for flotation and is not structurally strong. That said, it will fill cracks as long as you're not depending on it for strength. After it is poured, it will expand. It pours like water so it might be difficult to get it where you want it on vertical walls. Easy to pour on a floor crack but not strong enough to walk on. **Q: What is the flotation range for the 2g kit? will it support 1500 to 2000 lb floating dock?** A: 1 cubic foot of 2 lb. Polyurethane close cell foam will float 60.2 lbs. per US Coast Guard regulations of Flotation. So by the their formula it should float about 480 lbs. of weight. So no you would need 6 2 gallon kits to float just the dock. That's not counting any weight of people that stand on the dock .... **Q: How much does this cover?** A: A two gallon kit (1 gallon resin + 1 gallon activator) will yield 8 cubic feet which is equal to 59.84 gallons. 1 cubic foot equals 7.48 gallons. **Q: Can the 2lb product be used to fill the void in my kayak made of high-density polyethylene or will it deform?** A: It should work just fine. Use a smaller amount at first and then mixed more as needed until the void was filled. I was not not sure how much it would expand so I started with a smaller amount . It expands and hardens quickly. I don't think it will deform your kayak, but it will expand out of any cracks and holes, but you can cut off any foam you don't want. ## Customer Reviews ### ⭐⭐⭐⭐⭐ It really works! *by E***L on March 30, 2026* Absolutely fantastic, it really does what they claim. The photo is a 18” tube 55” long. One set filled it for me. Great flotation! ### ⭐⭐⭐⭐⭐ This stuff is AWESOME! *by B***H on January 3, 2024* Want to feel like a scientist!? For real, this floatation foam blew away my expectations. I was building a custom boat, and so I decided to use flotation foam for the bow of the boat. I was shocked at how much it expanded and how easy it was to use and pour. Now it's got me thinking of what else I could use it for! Great product, great company! ### ⭐⭐⭐⭐⭐ Excellent *by S***E on May 1, 2026* Excellent product, works as advertised. Easy to mix and pour. Not a lot of time to mix and pour but enough. Plan ahead and have everything ready and it’s a breeze. Would and have bought again. ## Frequently Bought Together - TotalBoat 2 Lb Density Expanding Foam Kit, 2 Part Closed Cell Pourable Polyurethane for Boat Flotation, Insulation, Reinforcement and Void Filling (2 Gallon Kit) - Custom Shop Paint Mixing Cups Plastic Measuring Cup Epoxy Resin, Disposable or Reusable, 32-Ounce Quart - Pack of 12 - Graduated, Mixing Ratios, Automotive Painting Acrylic Art Crafts Kitchen - TCP Global Wood Paint Mixing Sticks - 50 Pack - Automotive, Crafts, Airbrush, Art --- ## Why Shop on Desertcart? - 🛒 **Trusted by 1.3+ Million Shoppers** — Serving international shoppers since 2016 - 🌍 **Shop Globally** — Access 737+ million products across 21 categories - 💰 **No Hidden Fees** — All customs, duties, and taxes included in the price - 🔄 **15-Day Free Returns** — Hassle-free returns (30 days for PRO members) - 🔒 **Secure Payments** — Trusted payment options with buyer protection - ⭐ **TrustPilot Rated 4.5/5** — Based on 8,000+ happy customer reviews **Shop now:** [https://www.desertcart.ph/products/23482186-2-lb-density-expanding-foam-kit-2-part-closed-cell](https://www.desertcart.ph/products/23482186-2-lb-density-expanding-foam-kit-2-part-closed-cell) --- *Product available on Desertcart Philippines* *Store origin: PH* *Last updated: 2026-05-13*