Metacaulk® 950 is a water-based sealant designed for interior use and can be used on metal pipe, such as: steel, EMT, copper and aluminum. May also be used on glass pipe, as well as telephone and power cables. Suitable for use with PVC and CPVC plastic pipe on closed (pressure) systems and on some insulated pipes. Metacaulk® 950 is formulated with inorganic materials, which will not create smoke or toxic gases when exposed to fire. For interior applications only, it can not be used in areas where there is continuous vibration on the through-penetration opening or where wet conditions exist or may occur.

Metacaulk® 835+ is for applications that require a silicone-based firestop. Designed for use with PVC pipe on closed (pressure) systems, EMT, insulated and uninsulated steel pipe, construction and control joints and interior expansion joints. Flexible, non-sag and low odor sealant for exterior or interior use. Used in systems where Dynamic movement is expected. STC rating 55, Tested in a UL 411 wall assembly/section to ASTM E90.

Metacaulk® 1200 is a water-based sealant designed for spray application. It allows fast, economical installation on long joint runs. Self-Levelling is made for horizontal applications and Caulk Grade is a non-sag sealant that is easy to apply. Metacaulk® 1200 is also an excellent, fire-rated acoustical sealant. It cures to an elastomeric seal suitable for use where dynamic movement is expected. STC rating 50. Tested in a UL 411 wall assembly/section to ASTM E90.