Metacaulk 1000 Firestop Sealant (5 Gallon Pail)
Metacaulk 1000 is a premium, single-component water-based intumescent firestop sealant designed for interior construction joints and through-penetrations. In fire conditions, it expands to block flames, smoke, and toxic gases. Features flexible non-sag caulk grade application, up to 4-hour fire rating, STC rating of 62, and built-in mold resistance.
Inspection & Condition Details:
The 5-gallon pail appears to be unopened, factory sealed, and intact with no leaks, cracks, or structural defects observed. Please refer to the photos for more information.
This unit only includes what is photographed in the listing.
Made in USA.
Technical Specs
| Item | Fire Barrier Sealant |
| Manufacturer Part Number | 66309 |
| Application Method | Caulk Gun |
| Color | Red |
| Container Size | 5 gal |
| Container Type | Pail |
| Coverage Area | 1.08 cu ft |
| Density | 11 lb/gal |
| Drying Time | 30 min @ 77°F |
| Elastomeric | Yes |
| Expansion Temperature | 300 °F |
| Expansion Volume | 25X |
| Fire Rating | 4 hr |
| Fire Resistance Type | Intumescent |
| Firestop Type | Sealant/Caulk |
| Flame Spread Index | 0 |
| Flame Spread Rating | Class A |
| For Location | Through Penetrations; Construction Joints |
| For Material Type | Concrete; Fiberglass; Gypsum; Metal; Plastic; Steel |
| For Use On | Concrete Floors; Gypsum Walls; Power and Communication Cables; Walls; Wood Floors |
| Formulation | Water Based |
| Intumescent | Yes |
| Maximum Application Temperature | 120 °F |
| Maximum Service Temperature | 120 °F |
| Minimum Application Temperature | 40 °F |
| Non-Sagging | Yes |
| Paintable | Yes |
| STC Rating | 62 |
| Series | Metacaulk 1000 |
| Shelf Life | 3 yr |
| Smoke Developed Index | 0 |
| Usage Location | Floors; Walls, Construction Joints |
| Water Activated | Yes |
| Watertight | No |
| Color Family | Red |
| Composition | Water-Based |
| Brand & Series | METACAULK Metacaulk 1000 |
| Container Size & Type | 5 gal Pail |
| Sub-brand | Fire Stop |
| Firestop Material Type | Caulk |
| Properties | Non-Slump; Elastomeric; Intumescent |
| Country of Origin | USA |