Home » STI Electrical Box Insert Pad – Thermal Barrier Protection
SKU: STI-EP44

STI Electrical Box Insert Pad – Thermal Barrier Protection

Specified Technologies, Inc.
$7.98

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  • UL Certified

STI Series EP Power Shield Electrical Box Insert Pads are designed to install within steel electrical boxes, fitting directly against the back of the box to support firestop performance in electrical installations.

Property
Value
Color Red
Expansion Begins 350°F (177°C)
Expansion Range 350°F (177°C) to greater than 1,000°F (538°C)
Volume Expansion 16x to 24x (free expansion)
In Service Temperature Less than 130°F (54°C)
Storage Temperature Less than 130°F (54°C)
Oven Aging No Change (60°C)*
Humidity Exposure No Change (60°C, 98% R.H.)*
STC Rating (ASTM E 90-04) 64 (Relates to specific construction)
Shelf Life No Limit
  • Easy to install in the field or in the shop
  • No mess, no residue, no clean-up required
  • Rapid expansion - quickly seals off the passage of fire and smoke
  • High volume char - minimum to 24x
  • Water resistant - no soluble or hygroscopic ingredients
  • Conveniently sized - fits common switch and receptacle boxes
  • Non-conductive - safe for use inside box
  • Easy retrofit - can be used for boxes installed in existing walls
  • Low profile - maximizes area inside box
  • Labor savings - installs before or after wallboard installation