SpecSeal Fast Tack Firestop Spray
SpecSeal Fast Tack Firestop Spray
Fast Tack™ Firestop Spray is a high‑performance weather‑resistant firestop coating engineered for demanding edge of slab perimeter fire barrier containment conditions. Formulated with an advanced hybrid copolymer technology, Fast Tack is designed to overcome moisture, temperature fluctuations, and jobsite weather delays—delivering industry‑leading washout resistance and the fastest tack‑free times available. Built for long‑term durability, Fast Tack Firestop Spray outperforms and outlasts competing firestop coatings, providing versatile protection for a wide range of firestop applications. Its superior adhesion, rapid curing, and exceptional weatherability make it the ideal choice for contractors seeking reliable, code‑compliant firestopping in complex curtain wall and facades conditions.
Test Standards
ASTM E90
ASTM E119 (UL263)
ASTM E814 (UL1479)
ASTM E1399
ASTM E1966 (UL2079)
ASTM E2307
CAN/ULC-S115
ASTM E119 (UL263)
ASTM E814 (UL1479)
ASTM E1399
ASTM E1966 (UL2079)
ASTM E2307
CAN/ULC-S115
Third Party Approvals
English
Features
- Skins over quickly to resist water
- Tack free in 35 minutes
- Cures below freezing
- Tough, water-resistant flexible shieldagainst fire and smoke.
- Will not wash out
- Safe, no asbestos, no PCB’s, noinorganic fibers
- Non-halogenated
- Meets LEEDTM v3, v4, & v4.1 requirements. Low emitting materials credit.
Applications
Properties
Specifications
| Property | Value |
|---|---|
| Flame Spread | 0* |
| Smoke Development | 20* |
| Mold & Fungus Growth Rating (ASTM G21) | 0 |
| Movement Capabilities (ASTM D2370) | Elongation 200% |
| Tack Free Time (ASTM C679) | 35 to 45 minutes @ 77°F, 50% Humidity |
| Shore A Hardness | 25 ± 5 |
| Early Rain Resistance (24 Hr Exposure; ASTM D6904) | PASS |
| Tensile Strength, psi (ASTM D2370) | 80 to 100 |
| Permeability (as determined per ASTM E96) | 0.4 perm-inch |
| Skin Over Time | 15 to 30 minutes |
| Notes | *Tested to ASTM E84 (UL723) at 14% surface coverage (modified test for sealants and caulks) |
Ordering Information
| Catalog Number | UPC Number | Description | (UOM) Qty. | Case Qty. | Weight (Each) | Image |
|---|---|---|---|---|---|---|
| FT305 | 730573011904 | Fast Tack 5 gal. Pail (1155 Cu. In.,19.0 L) Limestone | 1 | 1 | 51.33 lbs |
|
| FT305R | 730573011935 | Fast Tack 5 gal. Pail (1155 Cu. In.,19.0 L) Red | 1 | 1 | 51.33 lbs |
|
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