3M Fire Barrier Moldable Putty Pads MPP+, Red, 7 in x 7 in, 20/case

• Applied by hand, with no mixing or tools
• Excellent adhesion to a wide range of construction materials
• Firestop tested for through penetration and membrane applications for up to 4 hours in accordance with ASTM E 814 (UL 1479)
• Non-corrosive to metal, and compatible with synthetic cable jackets
• Pliable one-part intumescent firestop material is designed for wall openings and through penetrations
• Provides draft and cold smoke seal, helps reduce noise transfer

3M Fire Barrier Moldable Putty Pads MPP+ are a one-part firestop material used in various fire-rated assemblies, such as electrical box protection. Designed to prevent the spread of fire, smoke and noxious gasses, this intumescent material comes ready to use in convenient 1/10" (2.54 mm) thick pads that are conformable by hand with no mixing or tools. Pads are firestop tested up to 2 hours.

Pliable, Conformable and Shapeable for Exacting Coverage
For applications requiring conformable coverage, these pliable 3M™ Fire Barrier Moldable Putty Pads MPP+ meet a full range of firestop needs that would be impractical with strips, wraps or rolls. Ready to use in convenient 1/10” (2.54 mm) thick pads, this firestop material is designed for excellent adhesion to most construction substrates and is non-corrosive when applied to metal – ideal for use with listed steel or plastic electrical outlet boxes. It is also safe for applications including synthetic cable jackets, making it suitable for firestopping cable bundles. It won’t crumble or dry out, exhibits excellent aging properties and is re-enterable to save time and money after installation. And the pads are extremely simple and cost-effective to install: technicians mold the material by hand directly onto the substrate without mixing or tools. For larger applications, self-adhering pads can be molded together.

Recommended Applications

• Protection of membrane penetrations for listed metallic and non-metallic electrical boxes
• Wall opening protective to meet building requirements
• Seal gaps between cables in multiple penetrations (including fiber optic inner duct)
• Insulated pipe, electrical conduit and metal pipe penetrations

Fully Tested and Approved
Our intumescent 3M™ Fire Barrier Moldable Putty Pads MPP+ are firestop tested up to 4 hours in accordance with ASTM E 814 (UL 1479). They are tested in accordance with ASTM E 119 (UL 263) up to 2 hours when installed in accordance with the UL wall-opening protective listing (UL Category CLIV), and help reduce noise transfer (STC-Rating of 52 when tested on back-to-back electrical boxes).

Reliable and Affordable Fire Protection
Effective and easy to install, 3M™ Fire Barrier Moldable Putty Pads MPP+ are part of our family of fire protection products that offer the broadest, long-lasting solutions for a variety of commercial, industrial and residential applications. As a trusted leader in the fire protection industry, 3M offers a broad line of affordable products designed to meet the most demanding firestop requirements. Find the solution you need from the industry-preferred line of fire protection products.

Trusted 3M Fire Barrier

The 3M Fire Barrier Moldable Putty Pads MPP+ offer reliable fire protection designed to stop fire, smoke, and harmful gases. This exact model, MPP+, is part of 3M’s trusted firestop product line, ensuring quality and performance in fire-rated assemblies.

These pads are pliable and easy to apply by hand, making them a practical choice for protecting electrical boxes and other wall openings. Their moldable nature means they conform well to various surfaces, providing a secure firestop solution.

Convenient Size And Format

Each putty pad measures 7 in x 7 in, offering a convenient size for a variety of firestop applications. The 1/10" (2.54 mm) thickness ensures the pads are easy to handle and shape without tools or mixing.

Sold in a pack of 20 per case, these pads provide enough material for multiple installations or larger projects. Their format as individual pads simplifies storage and use on the job site.

Strong Adhesion And Compatibility

These putty pads adhere excellently to a wide range of construction materials, including metal and synthetic cable jackets. This adhesion ensures a lasting seal that won’t crumble or dry out over time.

The non-corrosive nature of the pads makes them safe for use with metal electrical boxes and cable bundles, maintaining integrity without damaging surrounding materials.

High Fire Resistance Rating

The 3M Fire Barrier Moldable Putty Pads MPP+ are firestop tested for up to 4 hours according to ASTM E 814 (UL 1479). This high rating provides confidence in their ability to protect through penetrations and membrane applications.

Additionally, they meet ASTM E 119 (UL 263) standards up to 2 hours when installed as wall-opening protection. This makes them suitable for demanding firestop requirements in commercial and residential settings.

Effective Pack Count Coverage

With 20 pads per case, this product offers ample coverage for multiple installations or larger firestop projects. The pack size supports efficient inventory management and reduces the need for frequent reordering.

The pads’ pliable, one-part intumescent material is designed for easy hand application, saving time and labor costs during installation. This makes the 7 in x 7 in pads a cost-effective choice for fire protection.