---
product_id: 21930246
title: "Abesco Fire, Intumescent Acrylic Mastic (Fire Caulk), Material: Water Based Intumescent Acrylic, Dimensions: 10.5 Oz Tube, Color: White, Qty: 1 (10.5 oz Tube)"
brand: "abesco"
price: "£22.28"
currency: GBP
in_stock: true
url: https://www.desertcart.co.uk/products/21930246-abesco-fire-intumescent-acrylic-mastic-fire-caulk-material-water-based
store_origin: GB
region: United Kingdom
---

# environmentally friendly paintable when dry 4 hours fire resistance Abesco Fire, Intumescent Acrylic Mastic (Fire Caulk), Material: Water Based Intumescent Acrylic, Dimensions: 10.5 Oz Tube, Color: White, Qty: 1 (10.5 oz Tube)

**Brand:** abesco
**Price:** £22.28
**Availability:** ✅ In Stock

## Summary

> Seal the Deal with Safety! 🔒

## Quick Answers

- **What is this?** Abesco Fire, Intumescent Acrylic Mastic (Fire Caulk), Material: Water Based Intumescent Acrylic, Dimensions: 10.5 Oz Tube, Color: White, Qty: 1 (10.5 oz Tube) by abesco
- **How much does it cost?** £22.28 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.co.uk](https://www.desertcart.co.uk/products/21930246-abesco-fire-intumescent-acrylic-mastic-fire-caulk-material-water-based)

## Best For

- abesco enthusiasts

## Why This Product

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

## Key Features

- • **🔒 Superior Sealant:** Forms a carbonaceous char to effectively seal gaps and prevent fire and smoke spread.
- • **💧 Effortless Cleanup:** Cleans up with water, making application a breeze.
- • **🌱 Eco-Conscious Choice:** Water-based and environmentally friendly, perfect for the modern professional.
- • **🎨 Versatile Application:** Easily paintable once dry, blending seamlessly with your decor.
- • **🔥 Unmatched Fire Resistance:** Provides up to 4 hours of fire protection, keeping your spaces safe.

## Overview

The Fire Intumescent Acrylic Mastic is a water-based, eco-friendly caulk designed to prevent the spread of fire and smoke in rated constructions. With a 10.5 oz tube, it offers up to 4 hours of fire resistance and is easy to apply and clean up. This versatile sealant is paintable when dry, making it an ideal choice for both safety and aesthetics.

## Description

Abesco Fire, Intumescent Acrylic Mastic (Fire Caulk), Material: Water Based Intumescent Acrylic, Dimensions: 10.5 Oz Tube, Color: White, Qty: 1 (10.5 oz Tube)

## Technical Specifications

| Specification | Value |
|---------------|-------|
| Color | White |
| Brand | Abesco |
| Item Weight | 1.5 Pounds |
| Liquid Volume | 10.5 Fluid Ounces |
| Item Form | Paste |
| Surface Recommendation | Pipe |
| Water Resistance Level | Waterproof |
| Number of Items | 1 |
| Manufacturer | ABESCO |
| UPC | 700600913228 |
| Unit Count | 1 Count |
| Material | Acrylic |
| Part Number | 30350 |
| Item Weight | 1.5 pounds |
| Package Dimensions | 13 x 1.3 x 1.3 inches |
| Item model number | 30350 |
| Is Discontinued By Manufacturer | No |
| Item Package Quantity | 1 |
| Batteries Included? | No |
| Batteries Required? | No |

## Product Details

- **Color:** White
- **Brand:** Abesco
- **Item Weight:** 1.5 Pounds
- **Liquid Volume:** 10.5 Fluid Ounces
- **Item Form:** Paste

## Images

![Abesco Fire, Intumescent Acrylic Mastic (Fire Caulk), Material: Water Based Intumescent Acrylic, Dimensions: 10.5 Oz Tube, Color: White, Qty: 1 (10.5 oz Tube) - Image 1](https://m.media-amazon.com/images/I/61pAEXihMcL.jpg)
![Abesco Fire, Intumescent Acrylic Mastic (Fire Caulk), Material: Water Based Intumescent Acrylic, Dimensions: 10.5 Oz Tube, Color: White, Qty: 1 (10.5 oz Tube) - Image 2](https://m.media-amazon.com/images/I/61IMJozI0aL.jpg)

## Questions & Answers

**Q: Why is the temperature rating not listed?**
A: Because that would be UL listed test specific

**Q: Can use this to fill a border gap of my marble around my gas fireplace and mantle?**
A: Sorry, I do not know the answer to your question. However, I can tell you that I used it to fill the hole in drywall. As per fire code requirement.

## Frequently Bought Together

- Abesco Fire, Intumescent Acrylic Mastic (Fire Caulk), Material: Water Based Intumescent Acrylic, Dimensions: 10.5 Oz Tube, Color: White, Qty: 1 (10.5 oz Tube)
- 3M Fire Block Foam FB-Foam, Orange Color, Ready-To-Use, Foam-In-Place, 12 fl oz Can
- 3M Fire Barrier Sealant CP 25WB+, Red Color, One-Component, Gun-Grade, Latex-Based, Intumescent Material, 10.1 fl oz Cartridge

---

## 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.co.uk/products/21930246-abesco-fire-intumescent-acrylic-mastic-fire-caulk-material-water-based](https://www.desertcart.co.uk/products/21930246-abesco-fire-intumescent-acrylic-mastic-fire-caulk-material-water-based)

---

*Product available on Desertcart United Kingdom*
*Store origin: GB*
*Last updated: 2026-05-29*