Firestop tested for through penetration and membrane applications for up to 4 hr
Pliable one-part intumescent firestop material is designed for wall openings and through penetrations
Provides draft and cold smoke seal helps reduce noise transfer
Excellent adhesion to a wide range of construction materials
Non-corrosive to metal and compatible with synthetic cable jackets
Applied by hand with no mixing or tools
3M fire barrier moldable putty pads MPP+ shelf life is indefinite in original unopened containers
Specificationsarrow_drop_down
Application: For 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