4 Inch Firestop Retrofit Sleeve Kit With Integrated Seal And Oversized Flange For Easy Reentry, Quick Install, Handles Irregular Openings, Built Tough For 5 To 140 F Temperature Range

4 Inch Firestop Retrofit Sleeve Kit with Integrated Seal
✔️ Integrated seal, oversized flange, easy reentry, 5-140 °F range

The 4 inch firestop retrofit sleeve kit creates a tight, fire-rated seal around penetrations in walls and ceilings. It is ideal for retrofits and quick installations where irregular openings must be sealed and reentry is needed during maintenance or renovations.

✅ Size: 4 in (102 mm) diameter
✅ Integrated seal on retrofit flange
✅ Oversized flange for irregular openings
✅ Temperature rating: 5 to 140 °F (-15 to 60 °C)
✅ Color: Red

💡 What is a firestop retrofit sleeve kit used for in building safety applications?

This handy solution helps protect and maintain fire ratings in walls and ceilings during retrofit work. - Seals penetrations in fire-rated assemblies to prevent flame and smoke spread - Handy for quick maintenance access and reentry during retrofit projects - Accommodates irregular openings with an oversized flange - Reduces installation steps and speeds up renovations