One sealant. Every firestop chemistry.
Metacaulk® 150+ expands up to 18× and holds a 4-hour rating — a single, water-based product that does the work of the intumescent, elastomeric, and endothermic sealants you'd otherwise source from Hilti, 3M, and STI.
In stock · ships today| Metacaulk 150+ | Hilti | 3M | STI SpecSeal | |
|---|---|---|---|---|
| Intumescent | 150+ | FS-One Max | CP 25 WB+ | SSS |
| Elastomeric | 150+ | CP 606 | FireDam 150+ | LCI / WF300 |
| Endothermic | 150+ | ES & LC | — | Endothermic |
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The complete Metacaulk® firestop line — 97 SKUs across 7 categories, same‑day shipping.
Resources & Tools
Product Catalog
Metacaulk® Firestop Solutions — Quick Reference
Devices & Large Openings
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Firestop Accessories
Also Available From Balco USA
Expansion Joint Cover Systems
Balco manufactures a complete line of expansion joint cover systems for floors, walls, ceilings, roofs, and parking structures. Architectural-grade systems designed to accommodate building movement while maintaining life safety and building integrity.
Interior Floors
No Bump, Glide Plate, Pan, Surface Plate, Elastomeric & Foam Seal series
Walls & Ceilings
Face Seal, Glide Plate, Surface Plate, Acoustical Joint & Silent Seal systems
Exterior & Roofs
Metal Cover, Elastomeric Seal, Bellow, ConCeal series & roof curb systems
Parking Structures
Heavy-duty hinge plate, rubber block, epoxy bonded & foam seal for vehicular traffic
Custom quotes for expansion
joint systems & firestop bundles