--- product_id: 696011322 title: "6 Lb. Density Expanding Pour Foam, 2 Part Polyurethane Closed Cell Liquid Foam for Boats, Dock Flotation, Carving, Soundproofing, Filling Voids, and Insulation (Quart Kit)" brand: "fiberglass supply depot" price: "€ 109.87" currency: EUR in_stock: true reviews_count: 5 category: "Fiberglass Supply Depot" url: https://www.desertcart.hr/products/696011322-6-lb-density-expanding-pour-foam-2-part-polyurethane-closed store_origin: HR region: Croatia --- # Laminatable with polyester, epoxy, vinyl ester 5 min full cure time 6 lb density for superior buoyancy 6 Lb. Density Expanding Pour Foam, 2 Part Polyurethane Closed Cell Liquid Foam for Boats, Dock Flotation, Carving, Soundproofing, Filling Voids, and Insulation (Quart Kit) **Brand:** fiberglass supply depot **Price:** € 109.87 **Availability:** ✅ In Stock ## Summary > 🛠️ Elevate your DIY game with foam that floats, fills, and finishes flawlessly! ## Quick Answers - **What is this?** 6 Lb. Density Expanding Pour Foam, 2 Part Polyurethane Closed Cell Liquid Foam for Boats, Dock Flotation, Carving, Soundproofing, Filling Voids, and Insulation (Quart Kit) by fiberglass supply depot - **How much does it cost?** € 109.87 with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.hr](https://www.desertcart.hr/products/696011322-6-lb-density-expanding-pour-foam-2-part-polyurethane-closed) ## Best For - fiberglass supply depot enthusiasts ## Why This Product - Trusted fiberglass supply depot brand quality - Free international shipping included - Worldwide delivery with tracking - 15-day hassle-free returns ## Key Features - • **Speedy Setup:** Fully cures in just 5 minutes, so your projects move from pour to perform in no time. - • **Craft Without Limits:** Compatible with polyester, epoxy, and vinyl ester resins—perfect for sculpting, carving, and casting. - • **Float Above the Rest:** 6 lb density closed-cell foam delivers unmatched buoyancy for boats, docks, and decoys. - • **Soundproof & Insulate Like a Pro:** Seamlessly fills voids while providing top-tier sound dampening and thermal insulation. - • **Precision Mixing, Perfect Results:** Two-part formula with a 45-second working time ensures flawless expansion and finish every time. ## Overview This 6 lb density, two-part polyurethane expanding foam kit produces 0.375 cubic feet of closed-cell foam that cures in 5 minutes. Designed for flotation, soundproofing, insulation, and sculpting, it laminates easily with polyester, epoxy, or vinyl ester resins without melting. Ideal for professional-grade projects requiring fast curing and durable, buoyant foam. ## Description 6 Lb. Density Expanding Pour Foam, 2 Part Polyurethane Closed Cell Liquid Foam for Boats, Dock Flotation, Carving, Soundproofing, Filling Voids, and Insulation (Quart Kit) : desertcart.co.uk: DIY & Tools Review: Excellent Closed Cell Foam for Small Projects Review: Very good - just what I needed ## Features - Flotation Foam is a polyurethane 2-part foam that, when mixed in equal parts and poured in place this foam will soundproof, insulate, or provide extra buoyancy. - 6LB. Density polyurethane flotation Foam 1 Quart Kit; Consists of 1 Pint of Part A and 1 Pint of Part B and produces 0.375 cubic feet. - Once fully cured this foam can be laminated over with any type of polyester, epoxy or vinyl ester resin without melting. - The 6LB density also works well in floating decoy or taxidermy applications as well as many other sculpting, casting, carving and other filling applications - All expansion rates and times given are temperature critical. Temperatures below 75° F will lower the expansion rate therefore requiring more foam. Ideal working temperature is 75° to 80° F or above. Accurate measuring of these products is extremely critical. Working time before foaming: approx. 45 seconds Time before full expansion: approx. 5 minutes ## Technical Specifications | Specification | Value | |---------------|-------| | ASIN | B0BLKLDH79 | | Best Sellers Rank | 413,353 in DIY & Tools ( See Top 100 in DIY & Tools ) 366 in Expanding Foams | | Brand | Fiberglass Supply Depot | | Colour | Clear/Transparent | | Compatible Material | Foam | | Container Type | Can | | Customer Reviews | 4.4 out of 5 stars 54 Reviews | | Full Cure Time | 5 Minutes | | Global Trade Identification Number | 00819794023276 | | Included Components | 6lb poly foam | | Item Form | Liquid | | Item Package Quantity | 1 | | Item Volume | 1 Quarts | | Item form | Liquid | | Manufacturer | Fiberglass Supply Depot Inc. | | Material | Resin | | Model Number | 00819794023276 | | Other Special Features of the Product | Laminatable without melting | | Special feature | Laminatable without melting | | Specific Uses For Product | Flotation, Soundproofing, Insulation, Filling Voids, Carving, Sculpting, Casting, Floating Decoy or Taxidermy | | Specific uses for product | Flotation, Soundproofing, Insulation, Filling Voids, Carving, Sculpting, Casting, Floating Decoy or Taxidermy Specific uses for product Flotation, Soundproofing, Insulation, Filling Voids, Carving, Sculpting, Casting, Floating Decoy or Taxidermy See more | | Unit Count | 1.0 count | | Viscosity | Low | | Water Resistance Level | Not Water Resistant | ## Product Details - **Brand:** Fiberglass Supply Depot - **Item form:** Liquid - **Material:** Resin - **Special feature:** Laminatable without melting ## Images ![6 Lb. Density Expanding Pour Foam, 2 Part Polyurethane Closed Cell Liquid Foam for Boats, Dock Flotation, Carving, Soundproofing, Filling Voids, and Insulation (Quart Kit) - Image 1](https://m.media-amazon.com/images/I/71D4G+ANFgL.jpg) ![6 Lb. Density Expanding Pour Foam, 2 Part Polyurethane Closed Cell Liquid Foam for Boats, Dock Flotation, Carving, Soundproofing, Filling Voids, and Insulation (Quart Kit) - Image 2](https://m.media-amazon.com/images/I/61Xg7wuqwHL.jpg) ![6 Lb. Density Expanding Pour Foam, 2 Part Polyurethane Closed Cell Liquid Foam for Boats, Dock Flotation, Carving, Soundproofing, Filling Voids, and Insulation (Quart Kit) - Image 3](https://m.media-amazon.com/images/I/81s3RjkkMiL.jpg) ![6 Lb. Density Expanding Pour Foam, 2 Part Polyurethane Closed Cell Liquid Foam for Boats, Dock Flotation, Carving, Soundproofing, Filling Voids, and Insulation (Quart Kit) - Image 4](https://m.media-amazon.com/images/I/71Gbm9XW+IL.jpg) ![6 Lb. Density Expanding Pour Foam, 2 Part Polyurethane Closed Cell Liquid Foam for Boats, Dock Flotation, Carving, Soundproofing, Filling Voids, and Insulation (Quart Kit) - Image 5](https://m.media-amazon.com/images/I/71fqAimxMaL.jpg) ## Questions & Answers **Q: Can you press dents into this with your fingers once it’s fully cured?** A: If you pour too much, too fast, you can create less dense regions that you can press your finger into. If you are patient with your pour it's pretty dang rigid - with that being said, if you put a tremendous weight through your thumb, you can still dent it a bit, but it's not easy to deform (I'm a 180 lbs male of average strength). ## Customer Reviews ### ⭐⭐⭐⭐⭐ Excellent Closed Cell Foam for Small Projects *by H***E on 23 December 2025* ### ⭐⭐⭐⭐⭐ Very good - just what I needed *by B***8 on 17 July 2024* ### ⭐⭐⭐⭐⭐ 6lb foam *by T***Y on 20 February 2024* ## Frequently Bought Together - Fiberglass Supply Depot 6LB Density Expanding Pour Foam, 2 Part Polyurethane Closed Cell Liquid Foam for Boats, Dock Flotation, Carving, Soundproofing, Filling Voids, and Insulation (Quart Kit) - 2 Lb Density Expanding Pour Foam, 2 Part Polyurethane Closed Cell Liquid Foam for Boat and Dock Flotation, Soundproofing, Filling Voids, and Insulation (Quart Kit) --- ## 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.hr/products/696011322-6-lb-density-expanding-pour-foam-2-part-polyurethane-closed](https://www.desertcart.hr/products/696011322-6-lb-density-expanding-pour-foam-2-part-polyurethane-closed) --- *Product available on Desertcart Croatia* *Store origin: HR* *Last updated: 2026-04-22*