🔥 Seal the deal with confidence—firestop that works as hard as you do!
Rectorseal 66309 Firestop Sealant is a high-performance, red intumescent caulk designed for fire-rated construction joints and penetrations. It offers up to 4 hours of fire resistance per ASTM and UL standards, cures to a flexible elastomeric seal, and is water resistant. Easy to apply with no mixing required, it’s the go-to solution for professionals seeking reliable, code-compliant fire and smoke sealing.
| Material | Solvent |
| Brand | Rectorseal |
| Item Weight | 3 Pounds |
| Item dimensions L x W x H | 5 x 9.5 x 3.5 inches |
| Compatible Material | Concrete |
| Water Resistance Level | Water Resistant |
| Item Form | Paste |
| UPC | 021449663090 |
| Unit Count | 640.0 Fl Oz |
| Style | Compact |
| Global Trade Identification Number | 00021449663090 |
| Number of Items | 1 |
| Supported Standards | ASTM E 814, UL 1479, UL 2079, CAN/ULC-S115, STC rating 62 |
| Color | Red |
| Surface Recommendation | Wall |
| Manufacturer | The Rectorseal Corporation |
| Part Number | 66309 |
| Item Weight | 3 pounds |
| Product Dimensions | 5 x 9.5 x 3.5 inches |
| Country of Origin | USA |
| Item model number | 66309 |
| Item Package Quantity | 1 |
| Included Components | 5 Gal Pail |
| Batteries Required? | No |
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