Product Detail
Z-Flex Z-VENT Fire Stop Spacer
This Z-Flex 4" Z-Vent Firestop Spacer is used as a fire stop when running pipes vertically and penetrating a combustible floor or a ceiling. Required by most local codes when vertically venting a tankless water heater.
Product Features:
- Available in 3" through 24" diameters
- For single and double wall