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STI SpecSeal Triple S Intumescent Sealant – Firestop Joint Seal
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$21.12
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This sealant is approved and tested for use with metallic penetrants up to 30 inches, supporting firestop applications across a range of penetration sizes. It can be applied to both major and minor gaps, holes, and cracks requiring repair, providing a consistent sealing solution.
Designed for compatibility, this sealant can be used in combination with SpecSeal complementary products, supporting integrated firestop system performance.
|
Property
|
Value
|
|---|---|
| Color | Red |
| Density/Weight per Gallon | 12.03 lb/gal (1.44 kg/L) |
| Solids Content by Weight | 79.20% |
| Solids Content by Volume | 70% |
| Flame Spread | 0** |
| Smoke Development | 0** |
| Mold & Fungus Growth Rating (ASTM G21) | 0 |
| Coverage | For more information on product coverage see the following documents for Linear Joint & Penetration |
| pH | 8.3 |
| In Service Temperature | -10°F (-23°C) to 185°F (85°C) |
| Storage Temperature | 40°F (4°C) to 95°F (35°C) |
| Application Temperature | 35°F (2°C) to 100°F (38°C) |
| STC Rating (ASTM E90-04/ASTM C919) | 62 (Relates to Specific Construction) |
| VOC Content | 29.2 g/L**** |
| Expansion Begins | 230°F (110°C) 1st Stage, 350°F (177°C) 2nd Stage |
| Expansion Range | 230°F to Less than 1,000°F (110°C to Less than 538°C) |
| Average Volume Shrinkage (ASTM C1241) | 25.40% |
| Volume Expansion | 8x Free Expansion |
| Shelf Life From Date of Manufacture | 24 months |
*Tested to ASTM E84 (UL723) at 14% surface coverage (modified test for sealants and caulks)
**Per SCAQMD Rule 1168 (EPA Method 24)