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EW2420 | STI: E-Wrap™ Fire protection wrap for critical circuits and infrastructure

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 Product Description

E-Wrap™ Endothermic Wrap for protection of critical circuits and infrastructure.

E-Wrap™ Endothermic Wrap is a protective wrap designed for fire protection of critical circuits and infrastructure such as fire pumps, signaling equipment, elevators, alarms, process control equipment, or emergecny responder communications enhancement systems (ERCES). When installed around Electrical Metallic Tubing (EMT), conduits, or cable trays E-Wrap™ releases chemically bound water to have a cooling effect providing up to 2 hours of circuit integrity ensuring continued operation under fire conditions.

Protecting circuits including cables, Electrical Metallic Tubing (EMT), conduits, or cable trays.

The approved protective wrap product shall be a flexible, endothermic insulative wrap for the protection of electrical systems such as Electrical Metallic Tubing (EMT), conduit, or cable tray for up to 2 hours. The approved protective wrap shall be capable of being installed in layers and secured with minimum 16 GA (1.3 mm) steel tie wire to protect encapsulated items against the effects of fire and heat. The product shall be capable of providing equal F & T Ratings when applied to membrane penetrations of utility boxes. The approved protective wrap shall be certified by UL and Intertek. The approved product shall be STI E-Wrap™ Endothermic Wrap.

Features & Benefits

  • Flexible material - easy to install, even on small diameter conduits
  • Fewer layers required for protection - better coverage per roll
  • Tested with Electrical Metallic Tubing (EMT) and heavier conduits
  • Endothermic - releases chemically bound water to have a cooling effect
  • Low Density - Weighs less than competing wraps
  • May be used to achieve equal F&T Ratings on Penetration Firestop Systems.
  • Tested to ASTM E1725 for circuit integrity
  • NFPA 72 and NFPA 1221
  • Color: Silver
  • Facing: aluminum foil scrim
  • Dimensions: 2 ft. x 20 ft. (61 cm x 610 cm)
  • Thickness: 0.5 in. (13 mm)
  • Roll Weight: 54.2 lbs. (24.6 kg)
  • Density: 32 PCF (520 kg/m3)
  • Wrap Area: 40 sq.ft. (3.72 m2)
  • Shelf Life: Unlimited (when stored properly)

Installation Information
Typical tools required include razor knifes, aviation snips or electric cutting shears, measuring and marking implements, aluminum foil tape, No. 16
AWG steel tie wire or stainless steel banding straps.
Refer to Intertek System and determine required number of layers. Follow design listing requirements for joints, seams, and overlaps. Mechanically restrain
protective wrap with appropriate stainless steel tie wire or stainless steel banding straps.

Storage Information
Material to be stored in floored, covered warehouse and protected from rain, water, other liquids, and inclement weather where moisture and
dampness may deteriorate product. Direct liquid contact will be detrimental and destructive to insulating and physical properties. Store on pallets,
timber or concrete blocks to prevent moisture absorption from the ground. Do not stack pallets to prevent compression of insulation.

No maintenance is ordinarily needed. If foil scrim is damaged, repair with aluminum foil tape and maintain min. 2 in. (51 mm) overlap. For more
extensive damage, remove and repair as per original UL design listing.

Applied Fireproofing Ratings

  • Min. 1 in. Tubing, 3 Layers of STI E-Wrap: 1 Hour
  • Min. 1 in. Tubing, 4 Layers of STI E-Wrap: 1-3/4 Hour
  • Min. 1 in. Tubing, 5 Layers of STI E-Wrap: 2 Hour
  • Min. 4 in. Tubing, 4 Layers of STI E-Wrap: 2 Hour

 Product Videos

On the Job - E-Wrap™ Endothermic Wrap
  • On the Job - E-Wrap™ Endothermic Wrap
    E-Wrap™ Endothermic Wrap is the ideal solution for fire protec...

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