Product Description
3M™ FireDam™ Spray 200 is a red, intumescent, fire‑stop spray coating formulated to seal annular spaces and penetrations within fire-rated wall and floor assemblies. When exposed to high heat, the product expands to provide a barrier that helps preserve the integrity of structures and fire ratings.
Key Benefits
- Heat-Activated Expansion: Intumescent formula expands under fire exposure to fill voids and prevent flame and smoke passage.
- Easy Application: Spray-on delivery allows rapid coverage of irregular gaps around piping, conduit, and structural elements.
- Fire-Rated Sealing: Designed to help maintain UL/other certification when used as specified.
- Durable Finish: Adheres to a variety of substrates and provides long-term protection when properly cured.
Best For
- Piping and conduit penetrations
- Firestopping of cabling bundles
- Annular space sealing in walls and floors
- Retrofit and new construction firestop applications
- Building systems requiring passive fire barriers
Product Properties
| Property | Specification |
|---|---|
| Product Code | B40065450 |
| Form | Sprayable intumescent coating (red) |
| Packaging | 5‑gallon pail |
| Application | Spray to fill annular space around penetrants |
| Fire Protection | Provides passive fire barrier via intumescent expansion |




