FS-One Max 5 Gallon Intumescent Firestop Sealant Clear D609321 Pro Grade Fire Barrier Sealant For Fire Rated Assemblies Easy Application High Temperature Resistance Ultra Strong Seal For Lasting Protection

FS-One Max 5 Gallon Intumescent Firestop Sealant
✔️ Clear, high temp resistant sealer for fire rated assemblies

This pro-grade intumescent firestop sealant is designed to seal gaps and penetrations in fire-rated walls and ceilings. It's commonly used in commercial and industrial buildings to maintain fire barriers around ducts, pipes, cables, and other openings, helping prevent the spread of flames, smoke, and hot gases.

✅ High-temperature resistance that stays intact during heat exposure
✅ Clear color blends with surfaces for discreet installations
✅ Expands to seal gaps in fire rated assemblies
✅ Suitable for concrete, masonry, metal substrates
✅ Pack size: 1 x 5 gal pail

💡 What is an intumescent firestop sealant used for in fire-rated assemblies?

It helps maintain fire barriers by sealing joints and penetrations that could let flames spread.

• Stops flame spread by expanding when heated
• Seals around penetrations in walls, floors, and ceilings
• Works with concrete, masonry, and metal substrates