SpecSeal® Elastomeric Sealant is a non-halogenated latex-based, highly elastomeric caulk designed to provide passive smoke and fire protection in construction joints. This material is also designed to restore sound attenuation properties to sound-rated ceilings and partitions. Engineered to adhere to virtually all construction surfaces and may be applied using standard caulking equipment or by troweling. Dries to form a flexible shield against the propagation of fire. Its premium latex binder system is totally resistant to water and will not re-emulsify after drying. Contains no inorganic fibers, asbestos, or solvents. UL classified and FM approved.