3M FIRE BARRIER MOLDABLE PUTTY MP++ IN 177 x 177 x 1 MM

When properly applied to the back of electrical outlet boxes, 3M Fire Barrier Moldable Putty Pads MPP+ help control the spread of fire, smoke and noxious gases through fire-restive walls and partitions.

Installed in accordance with the UL wall-opening protective listing (UL Category CLIV), the product helps achieve up to 2-hour ratings in a variety of wall constructions.

3M Fire Barrier Moldable Putty Pads MPP+ can effectively provide protection for back-to-back electrical boxes.

3M Fire Barrier Moldable Putty Pads MPP+ are also used as a firestop material in through-penetration firestop systems.

3M Fire Barrier Moldable Putty Pads MPP+ help to maintain a firestop penetration seal for up to 4 hours.

3M Fire Barrier Moldable Putty Pads MPP+ exhibit excellent adhesion to a full range of construction substrates and penetrants.

The pads are easily molded by hand (no mixing required).

In addition to its fire-resistant properties, the 2,54mm thick pads have airborne sound reduction characteristics which helps minimize sound transmission through assemblies requiring an STC rating.

- Excellent adhesion

- Re-enterable/repairable

- Low VOC

- Halogen-free and solvent-free formula

- Excellent aging properties

- Red color recognized as a firestop

101,6mm x 203mm 3M Fire Barrier Moldable Putty Pads MPP+ are typically used as a wall opening protective to meet building requirements, for protection of membrane penetrations made by listed steel or non-metallic electrical boxes.

It is also used to seal gaps between cables in multiple penetrations (including fiber optic inner duct) and to firestop cable bundles, insulated pipe, electrical conduit and metal pipe.

Larger sized pads, 177,8 mm x 177,8 mm and 241,2 mm x 241,2 mm are widely used to firestop metallic and non-metallic electrical outlet boxes up to 355,6 mm x 114,3 mm x 63,5mm deep. For larger applications, pads can be molded together by hand.