In dymic joint conditions, ES Sealant is tested to accommodate up to 25% compression/extension of the installed joint width.01 oz Once cured, ES Sealant forms a flexible shield against the passage fire and smoke.Specseal Es Elastomeric Sealant,10.•Water-based for easy installation & cleanup•Non-halogeted•Thixotropic for high-build application•Auto bonding•Safe, no solvents, no asbestos, No PCB's, no inorganic fibers•Elastomeric•Water-resistant•Acoustical sealant•Paintable when dry.