---
product_id: 67035163
title: "CP310 Fire Rated Acrylic Intumescent Mastic Caulk - 10.5 fl.oz - Red (4 Pack)"
brand: "abesco"
price: "€ 174.23"
currency: EUR
in_stock: true
reviews_count: 3
category: "Abesco"
url: https://www.desertcart.gr/products/67035163-cp310-fire-rated-acrylic-intumescent-mastic-caulk-10-5-fl
store_origin: GR
region: Greece
---

# Paintable when dry Water-based, easy cleanup Up to 4 hrs fire resistance CP310 Fire Rated Acrylic Intumescent Mastic Caulk - 10.5 fl.oz - Red (4 Pack)

**Brand:** abesco
**Price:** € 174.23
**Availability:** ✅ In Stock

## Summary

> 🔥 Seal the gap, stop the fire, own the safety game!

## Quick Answers

- **What is this?** CP310 Fire Rated Acrylic Intumescent Mastic Caulk - 10.5 fl.oz - Red (4 Pack) by abesco
- **How much does it cost?** € 174.23 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.gr](https://www.desertcart.gr/products/67035163-cp310-fire-rated-acrylic-intumescent-mastic-caulk-10-5-fl)

## 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

- • **Versatile Gap Sealing:** Ideal for walls, floors, and pipe penetrations in fire-rated constructions
- • **Eco-Friendly Safety Solution:** Non-combustible, environmentally responsible intumescent caulk
- • **Seamless Finish, Ready to Paint:** Paintable after drying to blend perfectly with your interiors
- • **Effortless Application & Cleanup:** Smooth, water-based formula cleans up easily with water—no harsh chemicals
- • **Fireproof Your Space with Confidence:** Certified up to 4 hours fire resistance (UL1479, EN 1366-3)

## Overview

Abesco CP310 Fire Rated Acrylic Intumescent Mastic Caulk is a water-based, paintable firestop sealant providing up to 4 hours of fire resistance. It expands under heat to seal gaps and prevent fire and smoke spread in rated walls and floors. Certified to UL1479, EN 1366-3, and ASTM standards, this eco-friendly caulk offers easy application and cleanup, making it a trusted choice for professional-grade fire protection.

## Description

Abesco Fire CP310 FR Acrylic Intumescent Caulk is designed to prevent the spread of fire from one compartment to another wherever services penetrate separating walls and floors, or wherever a gap remains between elements in fire rated walls or floors. Abesco Fire CP310 FR Acrylic Intumescent Caulk is a single part water based acrylic caulk, which provides a firm but flexible seal to joints in a variety of fire rated structures. It will not support combustion, and when exposed to fire it forms a carbonaceous char which expands to effectively seal any gaps, and prevents the spread of smoke and fire.

Review: Caulk seems to work just fine - It's surprising how hard it is to find white fire caulk. I used it to fill holes in my garage walls and ceiling left by a previous owner when he removed his storage racks. The material filled the holes and seems to work fine.
Review: Hard - unusable - Opened up this tube and it is completely hard and unusable

## Features

- Tube Contains 10.5 fl.oz of Fire Rated Caulk| Part#: CP310 | Available in White and Red
- Easy to Apply | Cleans up with water | Environmentally friendly | Paintable when dry
- Prevent the spread of fire from one compartment to another wherever services penetrate separating walls and floors, or wherever a gap remains between elements in fire rated constructions, walls or floors, and provides up to 4 hours fire resistance (in the United States UL1479 UL Classified 1 and 2 hour rating only)
- It will not support combustion, and when exposed to fire it forms a carbonaceous char which expands to effectively seal any gaps, preventing the spread of smoke and fire through any joints
- Certifications: EN 1366-3, BS 476-20, ASTM E-814 (UL1479), AS 1530-4

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B01FEBXP4W |
| Best Sellers Rank | #436,706 in Industrial & Scientific ( See Top 100 in Industrial & Scientific ) #993 in Adhesive Caulk |
| Brand | Abesco |
| Brand Name | Abesco |
| Color | Red |
| Customer Reviews | 3.9 out of 5 stars 14 Reviews |
| Item Weight | 5 pounds |
| Liquid Volume | 10.5 fluid ounces |
| Manufacturer | Electriduct |
| Part Number | FR-AB-CP310-RD-4PK |
| Surface Recommendation | Pipe |
| Water Resistance Level | Waterproof |

## Product Details

- **Brand:** Abesco
- **Item Weight:** 5 Pounds
- **Liquid Volume:** 10.5 Fluid Ounces
- **Surface Recommendation:** Pipe
- **Water Resistance Level:** Waterproof

## Images

![CP310 Fire Rated Acrylic Intumescent Mastic Caulk - 10.5 fl.oz - Red (4 Pack) - Image 1](https://m.media-amazon.com/images/I/715S+OcKWGL.jpg)
![CP310 Fire Rated Acrylic Intumescent Mastic Caulk - 10.5 fl.oz - Red (4 Pack) - Image 2](https://m.media-amazon.com/images/I/61IMJozI0aL.jpg)

## Available Options

This product comes in different **Color, Size** options.

## Customer Reviews

### ⭐⭐⭐⭐⭐ Caulk seems to work just fine
*by A***N on September 6, 2023*

It's surprising how hard it is to find white fire caulk. I used it to fill holes in my garage walls and ceiling left by a previous owner when he removed his storage racks. The material filled the holes and seems to work fine.

### ⭐ Hard - unusable
*by C***R on October 1, 2023*

Opened up this tube and it is completely hard and unusable

### ⭐⭐⭐ Three Stars
*by A***R on July 29, 2017*

The caulk arrived without the screw on tips!

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**Shop now:** [https://www.desertcart.gr/products/67035163-cp310-fire-rated-acrylic-intumescent-mastic-caulk-10-5-fl](https://www.desertcart.gr/products/67035163-cp310-fire-rated-acrylic-intumescent-mastic-caulk-10-5-fl)

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*Product available on Desertcart Greece*
*Store origin: GR*
*Last updated: 2026-10-09*