Emseal introduces UL-certified expansion joint
Emseal has introduced the Emshield DFR2 trafficable, watertight, fire-rated, high-movement, UL-certified expansion joint.
The hybrid silicone and impregnated pre-compressed foam sealant system is suitable for new or retrofit use in construction and infrastructure applications.
Pictured is the Emshield DFR2 structural expansion joint from Emseal.
Structures that will benefit include parking decks, stadiums, arenas, hospitals, schools, universities, airports and any structure where the containment of fire at structural expansion joints is required.
Lester Hensley, the company's president and chief executive officer, said: 'Before DFR2, expansion joints required separate products to seal, bridge and fire-rate joints.
'That meant separate material and installation costs as well as aesthetic and substrate configuration compromises to accommodate the mineral wool, fire caulk, fire blankets or coverplates needed to perform the multiple functions required.
'Emshield DFR2 accomplishes all these essential functions in a simple, single installation of just one material,' he added.
Emshield DFR2 is comprised of fire-retardant impregnated foam pre-coated on the underside with an intumescent fire-proofing material and pre-coated on the traffic surface with highway-grade, fuel-resistant silicone.
It is installed into field-applied epoxy adhesive primer and finished with field-injected silicone sealant bands against the substrates.
The result is a single product that can withstand vehicular and other traffic, handle thermal-, traffic-, wind- and seismic-induced movements, provide waterproofing protection of adjacent building materials and occupied spaces below and provide the life-safety protection of a two-hour fire rating.
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