Product Tag - Putty

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    3M™ Fire Barrier Moldable Putty Pads

    Our 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 4 hours.
    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
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    SpecSeal Putty Tube or Pad

    SSP Putty & Putty Pads
    SpecSeal SSP Firestop Putty excels at sealing cabling penetrations and outlet boxes. SSP Putty is non-hardening and easily hand works around grouped cabling penetrations forming a re-enterable seal allowing for future work. When applied with outlet boxes, SSP Putty easily works into voids and seams forming a continuous seal against fire and the products of combustion.