Amazon Fire Barrier Putty

Fireproof putty for distribution box openings

Fire putty pads offer a simple, moldable solution to seal electrical boxes and wall openings against smoke, flames, and noise. Pliable one-part intumescent firestop material is designed for wall openings and through penetrations Provides draft and cold smoke seal, helps reduce noise transfer Firestop tested for through penetration and membrane applications for up to 4 hours in accordance with ASTM E 814 (UL 1479) For. Check each product page for other buying options. This guide highlights five top options, emphasizing ease of use, adhesion, fire ratings, and versatility for indoor and outdoor projects.