---
product_id: 13055649
title: "3M Fire Barrier Moldable Putty Stix MP+, Red Color, One-Part, Re-Enterable, Intumescent, 1.45 in x 6 in"
brand: "3m"
price: "S$28"
currency: SGD
in_stock: true
category: "3 M"
url: https://www.desertcart.sg/products/13055649-3m-fire-barrier-moldable-putty-stix-mp-red-color-one
store_origin: SG
region: Singapore
---

# STC 56 soundproof rating 4-hour fire resistance ready-to-use, moldable putty 3M Fire Barrier Moldable Putty Stix MP+, Red Color, One-Part, Re-Enterable, Intumescent, 1.45 in x 6 in

**Brand:** 3m
**Price:** S$28
**Availability:** ✅ In Stock

## Summary

> 🔥 Mold your safety, seal your peace of mind.

## Quick Answers

- **What is this?** 3M Fire Barrier Moldable Putty Stix MP+, Red Color, One-Part, Re-Enterable, Intumescent, 1.45 in x 6 in by 3m
- **How much does it cost?** S$28 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/13055649-3m-fire-barrier-moldable-putty-stix-mp-red-color-one)

## Best For

- 3m enthusiasts

## Why This Product

- Trusted 3m brand quality
- Free international shipping included
- Worldwide delivery with tracking
- 15-day hassle-free returns

## Key Features

- • **Soundproof Your Space:** STC 56 rating reduces noise transfer, creating a quieter, more focused environment.
- • **Unmatched Fire Protection:** Up to 4 hours of ASTM E814 tested firestop performance keeps your workspace safe and compliant.
- • **Long-Lasting & Re-Enterable:** Never dry out or crumble—maintain and repair seals easily over time without replacement.
- • **Metal-Friendly & Smoke-Sealing:** Noncorrosive formula protects metal and blocks drafts and cold smoke for comprehensive barrier protection.
- • **Instant Application, Zero Hassle:** One-part, ready-to-use putty that molds effortlessly for quick, professional firestopping.

## Overview

3M Fire Barrier Moldable Putty Stix MP+ is a high-performance, intumescent firestop putty stick designed for professional use. Offering up to 4 hours of fire resistance and an STC 56 sound rating, it provides a durable, re-enterable seal that prevents fire, smoke, and noise penetration in fire-rated assemblies. Ready-to-use and noncorrosive, it ensures long-lasting protection and easy maintenance in industrial and occupational settings.

## Description

3M Fire Barrier Moldable Putty Stix MP+ is a one-part, re-enterable, intumescent putty that can be easily formed to firestop through penetrations and blank openings in fire-rated assemblies. Formulated dark red, this easily moldable putty stick provides up to 4 hours of fire protection. These putty stix also produce a draft and cold smoke seal and help reduce noise transfer.

## Features

- TESTED FIRESTOP PERFORMANCE: Tested and listed up to 4-hours in accordance with ASTM E814 (UL 1479) and CAN/ULC S115
- STC RATED: STC-rating of 56 when tested in STC 56-rated wall assembly
- READY TO USE IMMEDIATELY: One-part, ready-to-use, re-enterable, intumescent putty stick that can be easily formed to firestop through-penetrations and blank openings in fire-rated assemblies
- CREATES A LONG LASTING SEAL: Provides draft and cold smoke seal
- REMAINS WORKABLE OVER TIME: Will not dry out or crumble for a re-enterable and repairable solution
- NONCORROSIVE: Will not corrode metal and is compatible with synthetic cable jackets
- For industrial/occupational use only. Not for consumer sale or use.

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B002FYAMPM |
| Best Sellers Rank | #44,703 in Tools & Home Improvement ( See Top 100 in Tools & Home Improvement ) #154 in Hardware Sealers |
| Date First Available | February 28, 2010 |
| Is Discontinued By Manufacturer | No |
| Item Weight | 1.6 ounces |
| Item model number | 98040054540 |
| Manufacturer | 3M |
| Product Dimensions | 7.9 x 6 x 8.4 inches |

## Images

![3M Fire Barrier Moldable Putty Stix MP+, Red Color, One-Part, Re-Enterable, Intumescent, 1.45 in x 6 in - Image 1](https://m.media-amazon.com/images/I/51LPfd-5eHL.jpg)

## Available Options

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

## Frequently Bought Together

- 3M Fire Barrier Moldable Putty Stix MP+, Red Color, One-Part, Re-Enterable, Intumescent, 1.45 in x 6 in
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**Shop now:** [https://www.desertcart.sg/products/13055649-3m-fire-barrier-moldable-putty-stix-mp-red-color-one](https://www.desertcart.sg/products/13055649-3m-fire-barrier-moldable-putty-stix-mp-red-color-one)

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*Product available on Desertcart Singapore*
*Store origin: SG*
*Last updated: 2026-07-07*