---
product_id: 79486553
title: "Liquid Urethane Pour Foam Base-2 Part Closed Cell Rigid Pour Foam-4 lb Density-Fast-Acting Formula-Boat Buoyancy, Flotation, Filling, Soundproofing & Insulation-8 Gallon Kit"
brand: "true composites"
price: "¥211508"
currency: JPY
in_stock: true
url: https://www.desertcart.jp/products/79486553-liquid-urethane-pour-foam-base-2-part-closed-cell-rigid
store_origin: JP
region: Japan
---

# Fast 10-minute cure time Resistant to gasoline, oil & saltwater 4 lb high-density closed-cell foam Liquid Urethane Pour Foam Base-2 Part Closed Cell Rigid Pour Foam-4 lb Density-Fast-Acting Formula-Boat Buoyancy, Flotation, Filling, Soundproofing & Insulation-8 Gallon Kit

**Brand:** true composites
**Price:** ¥211508
**Availability:** ✅ In Stock

## Summary

> 🛥️ Float, fill, and fortify with foam that means business!

## Quick Answers

- **What is this?** Liquid Urethane Pour Foam Base-2 Part Closed Cell Rigid Pour Foam-4 lb Density-Fast-Acting Formula-Boat Buoyancy, Flotation, Filling, Soundproofing & Insulation-8 Gallon Kit by true composites
- **How much does it cost?** ¥211508 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.jp](https://www.desertcart.jp/products/79486553-liquid-urethane-pour-foam-base-2-part-closed-cell-rigid)

## Best For

- true composites enthusiasts

## Why This Product

- Trusted true composites brand quality
- Free international shipping included
- Worldwide delivery with tracking
- 15-day hassle-free returns

## Key Features

- • **Rapid 10-Minute Cure:** Get your projects moving fast with a quick-setting formula that minimizes downtime and maximizes efficiency.
- • **Effortless Application:** User-friendly 1:1 resin-to-hardener mix perfect for pros and DIYers alike—layer, sand, and coat with ease.
- • **Multi-Functional Performance:** Ideal for boat buoyancy, flotation, soundproofing, filling, and insulation—one kit, endless possibilities.
- • **Superior Strength & Durability:** 95%-98% closed-cell structure delivers unmatched rigidity and longevity for marine and insulation needs.
- • **Chemical & Environmental Resistance:** Engineered to withstand gasoline, oil, saltwater, and solvents, ensuring long-lasting protection in harsh conditions.

## Overview

This 8-gallon Liquid Urethane Pour Foam Kit features a high-density 4 lb closed-cell formula that cures in just 10 minutes. Designed for superior strength and durability, it offers excellent resistance to gasoline, oil, saltwater, and solvents. Perfect for boat buoyancy, soundproofing, insulation, and filling applications, it’s easy to mix and apply, making it ideal for both professionals and DIY enthusiasts.

## Description

Full description not available

## Features

- ✅ Liquid Foam Insulation – Remains stable for soundproofing and insulating dock floats or boat parts.
- ✅ Impressive Strength – Supplies superior strength and exceptional durability with a high-density, 95%-98% closed-cell foam structure with a 4-lb density!
- ✅ Easy to Use – Great even for novice boat owners! Mix at a 1:1 resin-to-hardener ratio for best results. Various pours will adhere to each other. It can be sanded and resin can be applied once the foam has fully cured.
- ✅ Quick Setting – Our expanding foam cures in 10 minutes with minimal shrinkage and supports multiple layers.
- ✅ Long-Lasting: Resists gasoline, oil, saltwater, and solvents for durable performance. Can be molded or coated with polyester, vinyl ester or epoxy resins once cured.

## Product Details

- **Material:** Urethane foam
- **Brand:** TRUE COMPOSITES
- **Item Form:** Liquid
- **UPC:** 850019564112

## Images

![Liquid Urethane Pour Foam Base-2 Part Closed Cell Rigid Pour Foam-4 lb Density-Fast-Acting Formula-Boat Buoyancy, Flotation, Filling, Soundproofing & Insulation-8 Gallon Kit - Image 1](https://m.media-amazon.com/images/I/81ToQF1uifS.jpg)
![Liquid Urethane Pour Foam Base-2 Part Closed Cell Rigid Pour Foam-4 lb Density-Fast-Acting Formula-Boat Buoyancy, Flotation, Filling, Soundproofing & Insulation-8 Gallon Kit - Image 2](https://m.media-amazon.com/images/I/811mWsIP6qS.jpg)
![Liquid Urethane Pour Foam Base-2 Part Closed Cell Rigid Pour Foam-4 lb Density-Fast-Acting Formula-Boat Buoyancy, Flotation, Filling, Soundproofing & Insulation-8 Gallon Kit - Image 3](https://m.media-amazon.com/images/I/71nJDdF9y-S.jpg)
![Liquid Urethane Pour Foam Base-2 Part Closed Cell Rigid Pour Foam-4 lb Density-Fast-Acting Formula-Boat Buoyancy, Flotation, Filling, Soundproofing & Insulation-8 Gallon Kit - Image 4](https://m.media-amazon.com/images/I/41Wr75p5o7L.jpg)
![Liquid Urethane Pour Foam Base-2 Part Closed Cell Rigid Pour Foam-4 lb Density-Fast-Acting Formula-Boat Buoyancy, Flotation, Filling, Soundproofing & Insulation-8 Gallon Kit - Image 5](https://m.media-amazon.com/images/I/61GkSF1LI8L.jpg)

## Frequently Bought Together

- TRUE COMPOSITES Liquid Urethane Pour Foam Base-2 Part Closed Cell Rigid Pour Foam-4 lb Density-Fast-Acting Formula-Boat Buoyancy, Flotation, Filling, Soundproofing & Insulation-8 Gallon Kit
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**Shop now:** [https://www.desertcart.jp/products/79486553-liquid-urethane-pour-foam-base-2-part-closed-cell-rigid](https://www.desertcart.jp/products/79486553-liquid-urethane-pour-foam-base-2-part-closed-cell-rigid)

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*Product available on Desertcart Japan*
*Store origin: JP*
*Last updated: 2026-02-11*