STI ES120 Elastomeric Firestop Adhesive is a highly elastomeric, non-halogenated latex-based caulk that provides inert smoky and fire protection in building joints

This material can also be used to restore the sound dampening qualities of sound-rated ceilings and walls. STI ES Elastomeric Firestop Adhesive is designed to attach to nearly any building surface and may be troweled or caulked. When SpecSeal Elastomeric Sealant cures, it forms a flexible barrier against fire spread. Its superior latex binder technology is completely water resistant and won't re-emulsify after drying. There are no inorganic fibers, asbestos, or solvents in STI ES Elastomeric Fireproofing Sealant.

• Color Pale Blue or Red
• Odor Mild Latex
• Density 10 Lb/Gal (1.19 kg/L)
• Solids 66%
• pH 7.5
• Solids Content By Weigh 81%
• Solids Content By Volume 71.5%
• In-Service Temp.
• Storage Temp 40?F (4?C) - 95?F (35?C)
• Flame Spread 5*
• Smoke Development 5*
• Movement ?25%**
• Solvent Content None
• Drying Time Tack Free 2 HoursA Dry through 5 to 7 daysA
• STC Rating 62
• Shelf Life 2 yrs
• VOC 43 g/L