3M Fire Barrier Moldable Putty Stix MP+
3M Fire Barrier Moldable Putty Stix MP+
High-Performance Intumescent Firestop Putty
3M™ Fire Barrier Moldable Putty Stix MP+ is a one-part, intumescent firestop putty designed to seal cable, pipe, conduit, and electrical box penetrations in fire-rated walls and floors.
- Provides hand-moldable, ready-to-use formulation enables fast installation without mixing or special tools, making it ideal for both new and retrofit firestop applications.
- When exposed to fire, the putty expands to help block the spread of flames, smoke, and toxic gases, providing up to 4 hours of fire protection while also creating a draft and cold smoke seal.
- The flexible, re-enterable putty will not dry out or crumble, allowing easy future cable or service modifications without replacing the firestop.
- Arabian Arrow is a trusted supplier of 3M™ Fire Barrier Moldable Putty Stix MP+ in Saudi Arabia, offering genuine 3M Fire Barrier and 3M Firestop products for commercial, industrial, oil & gas, healthcare, power, and infrastructure projects across the Kingdom.
Key Features
Up to 4 Hours Fire Protection
Provides reliable fire resistance for up to 4 hours in tested fire-rated systems.
Ready-to-Use Intumescent Putty
One-part formulation that requires no mixing or special preparation.
Easy Hand-Moldable Installation
Soft, flexible putty can be shaped by hand for fast, tool-free application.
Expands Under Heat
Intumescent material expands during fire exposure to block flames, smoke, and hot gases.
Re-Enterable Design
Allows easy removal and reinstallation for future cable or service modifications.
Smoke & Sound Seal
Helps prevent draft and cold smoke while reducing sound transmission.
Long-Lasting Performance
Will not dry out, crack, or crumble, ensuring reliable long-term protection..
Safe & Compatible
Low VOC, halogen-free, non-corrosive, and compatible with synthetic cable jackets.
Certified Firestop Performance
Tested to ASTM E814 (UL 1479) and CAN/ULC S115 standards.
Versatile Applications
Suitable for commercial, industrial, healthcare, data centres, oil & gas, and infrastructure projects.
Primary uses
Firestopping electrical outlet and junction boxes
Sealing cable and cable bundle penetrations
Protecting fibre optic cable penetrations
Firestopping metal pipe penetrations
Sealing electrical conduit penetrations
Filling blank openings in fire-rated walls and floors
Sealing gaps around multiple service penetrations
Re-enterable firestop installations for future maintenance
Commercial, industrial, and infrastructure fire protection projects
Physical Properties
| Property | Value |
|---|---|
| Color | Dark Red |
| Nominal Density | 10–12 lbs./gal. (1.2–1.45 kg/L) |
| Surface Burning | Flame Spread: 0 (ASTM E84)Smoke Development: 0 |
| Heat Expansion | Begins @ 350°F (177°C)Significant @ 400°F (204°C)Free Expansion: Nominal 3× |
| STC Rating | 52 when tested in STC 53-rated wall assembly (ASTM E90, ASTM E413) |
| VOC (Less H₂O & Exempt Solvents) | <250 g/L |
Product Dimension
| Size | Dimensions | Approx. Unit Volume | Min. Unit Weight |
|---|---|---|---|
| Large Stix | 1.5 in. dia. × 11.5 in. (38 mm dia. × 292 mm) | 20.3 cu. in. (331.6 cu. cm.) | 13.6 oz. (385 g) |
| Retail Stix | 1.45 in. dia. × 6 in. (36.8 mm dia. × 152.4 mm) | 9.9 cu. in. (161.9 cu. cm.) | 6.4 oz. (183 g) |
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Frequently asked questions
Here are some common questions about
3M™ Fire Barrier Moldable Putty Stix MP+
3M™ Fire Barrier Moldable Putty Stix MP+ is a one-part, ready-to-use intumescent firestop putty designed to seal penetrations and openings in fire-rated walls and floors.
It is used for firestopping cable bundles, electrical conduits, insulated pipes, metal pipes, fiber-optic penetrations, and gaps between multiple penetrations.
When installed as part of tested firestop systems, it provides up to 4 hours of fire protection.
Yes. It is pliable and can be shaped and installed by hand without mixing or special tools.
Yes. It provides a draft and cold smoke seal, helping limit the movement of smoke through fire-rated assemblies.
The product is re-enterable and repairable, making it suitable for applications where cables or other services may need future modification.
Yes. It can be used for firestopping cable bundles, including power/control cables and fiber-optic cable penetrations, when installed according to the applicable tested system.
Yes. It can help minimize sound transmission and has been tested for STC-rated assemblies.
Arabian Arrow supplies genuine 3M™ Fire Barrier Moldable Putty Stix MP+ in Saudi Arabia for commercial, industrial, oil & gas, power, infrastructure, and other projects.
Arabian Arrow is a trusted supplier of 3M™ Fire Barrier and firestop solutions in Saudi Arabia, providing product supply and support for fire protection requirements.
Seal Penetrations. Enhance Fire Protection.
Get 3M™ Fire Barrier Moldable Putty Stix MP+ in Saudi Arabia from Arabian Arrow, an authorized 3M™ distributor.