---
product_id: 548091708
title: "GREAT STUFF Fireblock 12 oz Insulating Foam Sealant Great Stuff"
brand: "great stuff"
price: "S$42"
currency: SGD
in_stock: true
category: "Great Stuff"
url: https://www.desertcart.sg/products/548091708-great-stuff-fireblock-12-oz-insulating-foam-sealant-great-stuff
store_origin: SG
region: Singapore
---

# GREAT STUFF Fireblock 12 oz Insulating Foam Sealant Great Stuff

**Brand:** great stuff
**Price:** S$42
**Availability:** ✅ In Stock

## Quick Answers

- **What is this?** GREAT STUFF Fireblock 12 oz Insulating Foam Sealant Great Stuff by great stuff
- **How much does it cost?** S$42 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.sg](https://www.desertcart.sg/products/548091708-great-stuff-fireblock-12-oz-insulating-foam-sealant-great-stuff)

## Best For

- great stuff enthusiasts

## Why This Product

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

## Description

GREAT STUFF Fireblock 12 oz. is a compact, orange polyurethane foam sealant designed to help block the spread of fire and smoke through service penetrations in residential construction. This water-resistant foam expands to fill, seal, and insulate gaps and cracks up to 1", making it ideal for use as a fire block spray foam and insulation foam in walls, floors, and ceilings. The easy-to-use foam spray adheres to metal, plastic, and other surfaces, providing a durable barrier that helps improve energy efficiency and air sealing. With no batteries required and a lightweight 12 oz. can, this fire caulk is perfect for both professionals and DIYers looking for reliable fire stop spray foam and foam insulation solutions. Use this expanding foam sealant to help meet building code requirements for fire blocking and to seal gaps for added peace of mind.

## Features

- FIRE BLOCKING PROTECTION: Designed as a fire block foam to help seal gaps and slow the spread of flames, providing added safety for your home or workspace.
- EFFECTIVE INSULATION FOAM: Expanding foam sealant fills and insulates gaps, cracks, and holes in metal, plastic, and other surfaces for improved energy efficiency.
- WATER RESISTANT SEAL: Water resistant polyurethane foam creates a durable barrier against moisture, making it ideal for both indoor and outdoor applications.
- EASY APPLICATION SPRAY: Compact foam spray can is simple to use, allowing precise application in hard-to-reach areas without the need for batteries or extra tools.
- MULTI-SURFACE COMPATIBILITY: Suitable for use as a foam sealant gap filler on a variety of surfaces, including metal and plastic, for versatile sealing and insulation needs.

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B0149IBVC4 |
| Best Sellers Rank | #239,342 in Industrial & Scientific ( See Top 100 in Industrial & Scientific ) #19 in Fire Barrier Caulk |
| Brand | Great Stuff |
| Brand Name | Great Stuff |
| Color | orange |
| Compatible Material | Metal, Plastic, Rubber |
| Item Form | Foam |
| Item Weight | 12 Ounces |
| Manufacturer | Great Stuff |
| Material | Polyurethane Foam |
| Material Type | Polyurethane Foam |
| Number of Items | 1 |
| Style | Compact |
| Style Name | Compact |
| Supported Standards | ASTM E84, ASTM E814, UL1715 |
| Surface Recommendation | Metal, Plastic, Other Surfaces |
| Unit Count | 12.0 Fluid Ounces |
| Water Resistance Level | Water Resistant |

## Images

![GREAT STUFF Fireblock 12 oz Insulating Foam Sealant Great Stuff - Image 1](https://m.media-amazon.com/images/I/31aNLRi2kBL.jpg)

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**Shop now:** [https://www.desertcart.sg/products/548091708-great-stuff-fireblock-12-oz-insulating-foam-sealant-great-stuff](https://www.desertcart.sg/products/548091708-great-stuff-fireblock-12-oz-insulating-foam-sealant-great-stuff)

---

*Product available on Desertcart Singapore*
*Store origin: SG*
*Last updated: 2026-05-25*