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STI EP Powershield Electrical Box Insert

Availability: In stock

SpecSeal EP Powershield Electrical Box Inserts install within steel electrical boxes directly against the back of the box. Powershield Box inserts are equally suited for remediation as well as preinstallation before the boxes have made it to the job site. Powershield Box inserts incorporate pre-scored openings allowing for easy installation around ground lugs.

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Product Description

features

  • Tested in boxes up to 4-1/2 in. x 14 in. x 2-1/2 in.
  • Suitable for Steel and Plastic Face Plates
  • Easily preinstalls before shipping to the jobsite
  • Eliminates the need for Putty
Application Properties
Electrical Box Finished Product
  Intumescent
  Low VOC
  No Expiration
  Permanent
  STC Rating

 

Dimensions

Property EP44 EP45 EP55
Dimensions 3 3⁄4" x 3 3⁄4" x 1⁄8"
(95 mm x 95 mm x 3 mm)		 4 1⁄2" x 4 1⁄2" x 1⁄8"
(114 mm x 114 mm x 3 mm)		 4 7⁄8" x 4 7⁄8" x 1⁄8"
(124 mm x 124 mm x 3 mm)
Weight 0.09 lbs (0.04 kg) 0.13 lbs (0.06 kg) 0.15 lbs (0.07 kg)
Volume 1.75 cu in (28.7 cu cm) 2.53 cu in (41.5 cu cm) 2.97 cu in (48.7 cu cm)

 

Physical Properties

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
  • *Evaluation of physical properties and total expansion.

Ordering Information

Catalogue Number Description (UOM) Qty. Case Qty. Weight (Each)
STI_EP44 3.75" x 3.75" x 1⁄8"
(95 mm x 95 mm x 3 mm)		 1 20 0.09 lbs (0.04 kg)
STI_EP45 4.5" x 4.5" x 1⁄8"
(114 mm x 114 mm x 3 mm)		 1 20 0.13 lbs (0.06 kg)
STI_EP55 4.75" x 4.75" x 1⁄8"
(121 mm x 121 mm x 3 mm)		 N/A 250 0.15 lbs (0.07 kg)