Sikacryl JS 110 is an acrylic sealant intended for interior crack and joint filling with low movement and for sealing ducts in HVAC systems. It provides fire resistance of up to four hours, allowing it to be used where temporary fire protection is required. The product is a one‑part, ready‑to‑use formulation with a skinning time of about ten minutes and a curing rate of roughly 4 mm per 24 hours.
