3M Fire Barrier EBI-4-3.25X3.25IN Electrical Box Inserts, 3.25 in x 3.25 in x 3/16 in (82.6 mm x 82.6 mm x 4.8 mm) — 1 Each — 7100265894

Sold as 1 each. Price is per each.

Minimum order: 40 each. Order increment: 40.

3M™ Fire Barrier Electrical Box Inserts are a flexible, one-piece fire-rated intumescent insert used to protect electrical boxes by adhering to the inside the box. When exposed to fire, the insert expands to fill up the box preventing the spread of fire and limiting temperature rise.

3M™ Fire Barrier Electrical Box Insert (EBI) is designed to help prevent the spread of fire in 1 and 2 hour rated gypsum wall assemblies when penetrated with metallic electrical boxes in the event of a fire. When exposed to a heat source, the material expands to seal the airspace inside the box and forms a char to deter the spread of fire.

Features

• Convenient slits for access to wiring
• Flexible
• Full adhesive backing for easy installation
• Great for new construction and retro fit applications
• Protection of membrane penetrations for listed metallic boxes
• STC rating of 62 when tested in a STC 62 rated wall assembly
• Tested in accordance with ASTM E814 (UL 1479) (Certified as a Wall Opening Protective Material, UL Category CLIV).

Product details