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Specified Technologies, Inc.

STI Spec Seal Triple S Intumescent Sealant

STI Spec Seal Triple S Intumescent Sealant

Regular price $20.56
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Approved and tested for metallic penetrants up to 30 inches. It can be used for major or minor gaps, holes, and cracks that need repairing. This sealant combines safely with Spec Seal complimentary products.



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)

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