Red Pro Grade Firestop Block CFS BL For Wall Penetrations 7.87 by 5.11 by 1.96 Inches UL 1479 CULus Listed FM Approved CE Marked Ideal Firestop Solution For Builders And Construction Pros

Pro Grade Red Firestop Block (Single) for Wall Penetrations
✔️ LxWxH: 7.87 x 5.11 x 1.96 in (200 x 130 x 50 mm), UL 1479 listed

Red firestop block designed for sealing wall penetrations in building projects. It sits in wall cavities to prevent the spread of fire, smoke, and hot gases around penetrants like ducts and cables, helping maintain the structure's fire rating.

✅ LxWxH: 7.87 x 5.11 x 1.96 in (200 x 130 x 50 mm)
✅ UL 1479, cULus Listed, FM Approved, CE Marked
✅ Color: Red

💡 What is a firestop block used for in wall penetrations and how does it support fire-rated assemblies?

It seals openings in walls around penetrants to maintain fire resistance and limit heat transfer.

- seals gaps around pipes, cables, and ducts to preserve fire ratings - meets UL 1479, cULus Listed, FM Approved, CE Marked - handy for builders needing quick protection in construction sites