Emshield SJS : Seismic Joint System

  • Parking Decks/ Car Parks
  • Stadiums
  • Mall bridge connectors
  • Airports
  • Standard cover plate is aluminum with ADA-compliant, flint-blasted finish. Stainless steel also available.
  • Other finishes by request

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    Description

    Emshield SJS, A seismic expansion joint, the SJS System is watertight and features a trafficable cover plate that is not attached to the concrete deck. It is comprised of silicone-and-impregnated-foam hybrid components that ensure watertightness, absorb sound, dampen vibration and offer uncomplicated installation. Specify SJS-FR for all the benefits of Emshield SJS with the added life safety assurance of a built-in UL 2079 fire rating. Questions?

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    SJS is constructed from two precompressed hybrid foam sealants pre-assembled in parallel adjacent to a heavy-duty extruded aluminum spline. The spline acts as a receptor for attaching the surface-mounted traffic plates that bear vehicle and other loads. The result is a system that offers features and benefits not found in alternative products intended for large, horizontal structural joint gaps.

    Unlike side-mounted coverplates, the SJS plate is not anchored into the concrete and will not loosen during load transfer and vertical deflection movement.

    Watertight at the deck surface, the SJS System does not rely on gutters that hang under the joint. Water is thus not trapped where it must be managed away.

    • Watertight
    • Traffic durable
    • ADA Compliant
    • Sound dampened
    • Non-Invasive Anchoring
    • No concrete-embedded coverplate anchors
    • No hard connections to concrete
    • Minimal components
    • Self-locating plate anchors
    • No gutters
    • Rapid installation–new or retrofit
    • Eliminates leaks at large structural expansion joints
    • Reduces maintenance costs
    • Built-in fire rating with Emshield SJS-FR

    Watertight – The tensionless silicone bellows are installed flush to the mounting height of the system and just below the cover plate ensuring watertightness at the traffic surface. This eliminates the need for ineffective moisture barriers and secondary gutter systems. SJS System is also available specifically for watertight integration with split-slab buried waterproofing systems–see SJS-FP

    Sound Dampened – The flanking impregnated foam and silicone hybrid dampens sound and shock effectively. When installed over EMSEAL-supplied elastomeric nosing material Emcrete, the result is arguably the quietest watertight cover plate system available.

    Installs Rapidly – Using non-invasive anchoring the SJS System eliminates drilling associated with hard metal-to-concrete connections as well as intrusive pins, anchors, screws, bolts or tracks, trays or rails. The system is locked to the joint faces by the backpressure of the foam and an epoxy adhesive, and by the injection of a silicone sealant band at the bellows to substrate interface. (Video of installation in a parking deck or a stadium at the New York Mets and the San Francisco 49er’s).