EMSHIELD SJS-FP-FR2

SJS-FP-FR

EMSEAL Joint Systems, Ltd.

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Fire-Rated, Watertight, Seismic and Large-Gap Deck Expansion Joint System for Split-Slabs, Plazas, Stadium Concourses, etc.

Quick Overview


  • For Split-Slabs, Plaza Decks, Podium Decks
  • Up To 2-Hour Built-In Fire-Rating
  • Watertight Integration With Deck Waterproofing
  • 100% Movement (+/-50%)
  • Joint Sizes : 4" to 10" (100 – 250mm)
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Email: info@newsouthsupply.com

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Details


Fire-Rated, Watertight, Seismic and Large-Gap Deck Expansion Joint System for Split-Slabs, Plazas, Stadium Concourses, etc.

    • Up to 2-Hour Built-In Fire-Rating
    • Watertight & Traffic Durable
    • UL 2079 Certified
    • Sound Dampened
    • No Invasive Cover Plate Anchors
    • No Fire Blankets or Gutters
Joint Sizes:
4" to 10" (100 - 250mm)

Movement Capability:
100% Total (+50% and -50% of nominal supplied size.)

The SJS-FP-FR System is designed to provide a fire-rated, watertight, trafficable joint system in large joint openings, in decks of split-slab design.

SJS-FP-FR expands the use of the SJS-FR SYSTEM to waterproofed split-slab deck designs through the use of side flashing sheets that integrate with the deck waterproofing membrane.

Uses, Applications
    • For New Construction And Retrofit Of Old Or Failed Joint Systems
    • Solution For Expansion Joint Repair
    • For Restoring Watertightness To Chronic Leaking Over Occupied Spaces
    • Uniquely Suited To Joint Openings Designed For Seismic Separation Of Structural Building Elements
    • Split-Slab Decks
    • Parking Decks
    • Plaza Decks
    • Podium Decks
    • Airport Roadways
    • Mall Bridge Connectors
    • Stadium Concourses, Etc.

    Product Description
    • The System Consists Of Two Subassemblies: 1) The Structural-Slab Mounted Supporting Legs With Integral Waterproofing Side Sheets; And 2) The Fire-Rated, Foam/Spline Joint Sealing And Coverplate Assembly.
    • The Mounting Leg Assembly Is Delivered With Opposing Legs Factory-Set To The Nominal Joint Size. It Is Installed Into A Wet-Setting Bed Of Epoxy Mortar And Bolted To The Deck.
    • The Joint Sealing And Bridging Assembly Consists Of A Central Stiffening Spline Flanked By Two Watertight Silicone Bellows Supported By Fire Rated, Precompressed, Impregnated Foam Shock Absorbers, And Covered By A Heavy Duty Coverplate.
    • The Factory-Assembled Spline, Bellows, Foam, Are Shipped With Factory Attached, Installation Hanger-Bars.
    • Epoxy Gel Adhesive Is Applied To The Faces Of The Previously Installed Mounting Leg Assembly.
    • The Sealing Assembly Is Lowered Into The Joint Gap Where It Self Expands Into The Wet Epoxy Adhesive.
    • Consecutive Lengths Are Joined Through The Field-Application Of Manufacturer-Supplied, Low-Modulus, High-Movement Silicone To The Spline And Intersecting Bellows Surfaces. Friction Fit Alignment Pins Prevent The Joins From Moving During Silicone Cure.
    • A Field-Applied Silicone Sealant Band Is Injected At The Bellows To Joint Substrate Interface To Complete The Waterproofing.
    • The Deck Waterproofing Membrane Is Installed On The Deck And Brought Up To The Sjs-Fp System. With The Sjs-Fp Side Flashing Sheets Pulled Out Of The Way, The Membrane Is Installed Over The Top Of, And Up The Sjs-Fp Mounting Legs. The Side Flashing Sheets Are Lowered Into The Liquid Membrane (Or Into The Non Sag Mastic Component Of A Sheet Waterproofing System) And Sandwiched With Another Layer Of Waterproofing.
    • Concrete, Pavers, Asphalt, Or Other Topping Slab Or Wearing Course Material Is Installed Up To The Stainless Steel Retaining Caps On The Sjs-Fp Mounting Rails.
    • The Sjs-Fp Joint-Sealing Assembly Installation Hanger Bars Are Removed Sequentially As Coverplates Are Lowered Over The Joint And Screwed To The Center Spline, Completing The Installation.

The basis of the SJS-FP-FR System is SJS-FR SYSTEM which is comprised of silicone-and-impregnated-foam hybrid components that ensure watertightness, absorb sound, dampen vibration and offer uncomplicated installation. Created from the latest evolution in the field-proven technology that EMSEAL has used for 30 years of sealing horizontal plane joints with impregnated foam sealants, the SJS-FR SYSTEM is constructed from two horizontal joints 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.

Features:
Fire-Rated - SJS-FP-FR has been tested and certified by Underwriters Laboratories (UL) to the rigors of UL 2079.

UL 2079, like ASTM E1966, was developed to encompass the fire testing of ASTM E119 and the movement cycling regime of ASTM E1399.

SJS-FR meets the requirements of ASTM E1966, ASTM E119 and ASTM E1399.

As a single unit fire-rated expansion joint it eliminates the need for additional fire stops or fire blankets or barriers at the joint gap thereby eliminating the need for multiple products to perform the roles of sealing, bridging and fire-rating joints.

EMSHIELD SJS-FP-FR has been tested in accordance with UL 2079 in the configurations depicted in UL Systems FF-D-1096 and FF-D-2018 and ULC System JF148. (Click here for all EMSEAL UL and ULC Listings).

Where UL tested listings do not meet your specific project conditions ask EMSEAL for an engineered judgment.

Watertight– The tensionless silicone bellows are installed flush to the mounting height of the system and just below the coverplate ensuring watertightness at the traffic surface. This eliminates the need for ineffective moisture barriers and secondary gutter systems.

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

Self-Locating Coverplate Screws – The center spline is a continuous receptor for the coverplate screws that are self-tapped into the anchor channel. This dramatically reduces the installation-related problems of locating self-centering, sliding ball devices and pantographs. The probability of screws being left out is eliminated ensuring proper anchoring.

Self-Locking, Vibration-Dampened Screws – Vibration in systems that rely on metal-to-metal connections and contact points is the main cause of screw loosening. SJS-FP-FR minimizes vibration through the dampening action of the massive and continuous springs of impregnated foam along the entire length of the joint. In addition, 30 pounds of force is required to loosen the screws offering excellent screw tightness without the need for thread-lock compounds.

Field-Adjustable Plate Support– When concrete is the wear course material, in new and retrofit applications it is inevitably uneven across and along the joint. The SJS-FP-FRcan be installed over an optional leveling-bed of EMCRETE elastomeric nosing material providing the ability to fine-tune the support of coverplate sections reducing rocking and noise caused by unleveled plates. Systems that attach or utilize intrusive extruded rails to receive sliding ball and socket devices cannot be adjusted to eliminate unevenness across and down the length of the joint.

Continuity of Seal – All EMSEAL expansion joint systems feature continuity of seal through changes in plane and direction –– an essential performance differentiator. Fabricated transitions from deck to wall, at curbs, sidewalks, parapets, tees, and crosses are available with the SJS-FP-FR.

Finite Element Analysis (FEA) Compiled Safety Factors– The SJS on which SJS-FP-FR is based was modeled using FEA to determine the suitability of design to worst case possible parking deck loads. Under the scenario of a 4,000 lb vehicle skidding across the joint system to full stop once past the coverplate, FEA modeling predicted lateral displacement of the coverplate of less than 3/4-inches (19mm) and safety factors in key components as follows:

FEA Safety Factors:
Traffic Plate - 5; Screws - 11; Spline Pins - 10; Center Spline - 7

Performance & Selection

Joint Sizes: Because SJS-FP installs into its own legs, the legs can straddle mean-temperature, structural slab, joint sizes from: 1-inch (25mm) up to 24-inches (600mm). The minimum gap between the SJS-FP legs is 4-inches (100mm).

For special conditions consult EMSEAL.

Movement Capability:100% (+50% and -50%) of nominal material size.

Leg Heights:
Up to 3-inches (75mm). Additional elevation can be achieved by casting a concrete curb on which the SJS-FP-FR leg assemblies will sit. For purposes of fire rating it is necessary for the SJS-FP-FR foam and spline assembly to overlap the metal mounting flange by an amount as depicted in the UL and ULC Assembly listings.

Depth of Seal (Foam Depth):
6-inches (150mm)

Coverplates:
    • Standard coverplate is 3/8-inch (10mm) shot-blasted aluminum or Type 304 stainless steel. Other custom metals are possible--consult EMSEAL.
    • Coverplate thicknesses can be customized to suit load and traffic expectations-Consult EMSEAL.


Models:

Model selection is designated by product codes. The code segments relate to the product configuration: For example,

SJSFPFR-100-400-75 means:

Product Movement JointWidthLegHeight
SJSFPFR10040075
 (100%)(4" joint)(75mm, 3")

Consult EMSEAL for model number suitable to your specific application.

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Additional Information


Manufacturer: EMSEAL Joint Systems, Ltd.
For More Information on the EMSHIELD SJS-FP-FR2, [Click Here] to Link to Manufacturer Web Site

 
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