Abesco CP310 FR Acrylic Intumescent Mastic is a single part water based acrylic mastic, which provides a firm but flexible seal to joints in a variety of fire rated structures

Abesco CP500 FR WB Silicone Caulk has excellent adhesion properties, and when cured provides a very strong and flexible fire rated seal.
CP500 FR WB Silicone has an emulsion cure system, and is unaffected by moisture or high humidity and is suitable for a wide range of other non-fire rated applications.