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STI Firestop ES Elastomeric Firestop Sealant - 29 oz. (52 cu. in., 858 ml) Tube

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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.

SpecSeal® Elastomeric Sealant is engineered to adhere to virtually all construction surfaces and may be applied using standard caulking equipment or by troweling. SpecSeal Elastomeric Sealant 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. SpecSeal Elastomeric Sealant contains no inorganic fibers, asbestos, or solvents.

  • Elastomeric – allows movement.
  • Water-based – easy installation, clean up and disposal.
  • Auto-bonding – fresh material adheres to previously installed product
  • Compatible with AS Spray for applications or repairs.
  • Safe – low VOCs, no solvents, non-halogenated.
  • Water-resistant – will not re-emulsify when dry.
  • Acoustically tested – reduces noise transmission.