Flame Stopper
Flame Stopper Fire Stop Sealant
Flame Stopper offers a red acrylic latex fire stop sealant sold in a 10 oz pack of 12. The sealant is intumescent, so it expands when exposed to extreme heat to help cut off the spread of fire through penetrations. It can be applied in both interior and exterior applications.
View Flame Stopper Buying Guide & FAQs
Buying Guide: Fire Stop Sealant
How the Sealant Performs
This flexible sealant seals surfaces with or without movement. It will not crack or deteriorate where vibrations occur. Follow the manufacturer's instructions for application and surface preparation.
Frequently Asked Questions
What does Flame Stopper make?
Flame Stopper offers a flexible intumescent acrylic latex fire stop sealant. It expands when exposed to extreme heat to help cut off the spread of fire through penetrations.
How do I choose the right sealant?
Check that part number 3629-5-61 and the 10 oz pack of 12 match your project before ordering. Confirm the application type, interior or exterior, and follow the manufacturer's instructions.
