• News & Events
  • Find My Rep

Acrilast Caulk II


Acrilast Caulk II is a gun-grade, neutral-cure silicone sealant designed for use in joint terminations of Pyrocrete® Fireproofing products and dissimilar materials.


File Name Language Download
Acrilast Caulk II PDS English

File Name Language Download
Acrilast Caulk II (fka Fyre-Sil Caulk GG SDS English

Features & Benefits

  • Exterior rated
  • Durable finish - provides touch, flexible watertight bond with most construction materials
  • Easy application
  • VOC compliant
  • Wide application range - material may be applied over a wide temperature range, 40°F to 180°F (4°C to 82°C)
  • LEEDv4 & CDPH V1.1 compliant