WF300 intumescent firestop caulk is a latex based firestop caulk designed for residential wood frame construction. WF300 caulk is tested for addressing penetrations through wood/frame construction such as wood stud walls and floor/ceiling assemblies. Under fire exposure, WF300 expands to up to 4X its original volume.
SpecSeal® Intumescent Firestop Caulk, Series: WF Series, 5 gal Net Content, Pail Container, Composition: Mineral Spirits, Sulfuric Acid Compound with Graphite, Crystalline Silica, Paste Form, Red, Mild Acrylic Odor/Scent, 1155 cu-in Coverage Area, 7.4 to 8.4 pH, 1.18 g/mL Specific Gravity, >212 deg F Boiling Point, 284 deg F Flash Point, 53 g/L VOC, Latex, Water Base, Density: 10.2 lb/gal, 24 months Shelf Life, 0 Flame, 20 Smoke Grit
| Applicable Materials | : | Wood |
| Application Method | : | Caulk Gun, Knife, Pump, Trowel |
| Base Type | : | Latex, Water |
| Boiling Point | : | >212 deg F |
| Color | : | Red |
| Composition | : | Mineral Spirits, Sulfuric Acid Compound with Graphite, Crystalline Silica |
| Container Type | : | Pail |
| Coverage Area | : | 1155 cu-in |
| Density | : | 10.2 lb/gal |
| Evaporation Rate | : | >1 % |
| Fire/Smoke Rating | : | 0 Flame, 20 Smoke |
| Flammability Limit | : | 0 |
| Flash Point | : | 284 deg F |
| Form | : | Paste |
| Net Content | : | 5 gal |
| Odor/Scent | : | Mild Acrylic |
| Series | : | WF Series |
| Shelf Life | : | 24 months |
| Specific Gravity | : | 1.18 g/mL |
| Temperature Rating | : | 35 to 100 deg F |
| VOC Content | : | 53 g/L |
| pH Range | : | 7.4 to 8.4 |
- Installer friendly, easily applies with standard caulking gun
- Suitable for combustible and non-combustible penetrants
- Tested for up to 3 hr of fire exposure when tested to ASTM E814/UL1479
- Water-based for easy installation, clean-up and disposal
- Intumescent
- Water-resistant - will not re-emulsify when dry
- Paintable when dry
- Safe, no asbestos, no PCB's, no inorganic fibers
- Auto-bonding
- Non-halogenated
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