FeaturesNon-hardening, easy retrofitTwo stage intumescences features aggressive expansionEndothermic fillers absorb heat and release waterHighly adhesive formula stays put allows movementSoft and pliable for easy installationNo water soluble expansion ingredients means better water resistanceExcellent sound attenuation properties, reduces noise transmission7-1/4 in L x 7-1/4 in W x 3/16 in D
SpecificationsComposition: Firestop Putty