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.
|Catalog No. & Dimensions:||EP44-(3-3/4˝ x 3-3/4˝ x 1/8˝)
(95 x 95 x 3 mm)
EP45-(4-1/2˝ x 4-1/2˝ x 1/8˝)
(114 x 114 x 3 mm)
EP45-(4-7/8˝ x 4-7/8˝ x 1/8˝)
(124 x 124 x 3 mm)
|Weight:||EP44 - 0.08 lb. (0.036 kg)
EP45 - 0.10 lb. (0.045 kg)
EP55 - 0.15 lb. (0.068 kg)
|Volume:||EP44-(1.75 cu in., 28.8 cu cm.)
EP45-(2.50 cu in., 41.0 cu cm.)
EP55-(2.97 cu in., 49.2 cu cm.)
|Expansion Begins:||350°F (177°C)|
|Expansion Range:||350°F to >1,000°F (177°C - 537°C)|
|In Service Temperature:||<130°F (54°C)|
|Oven Aging:||No Change (60°C)*|
|Humidity Exposure:||No Change (60°C, 98% R.H.)*|
|Shelf Life:||No Limit|
(Relates to specific construction)
(ASTM E 90-04)
|*Evaluation of physical properties and total expansion.|
|Item #||Case Qty. (min)||Qty.||UPC # 730573||Description||Weight|
|EP44||20||1||02500||PowerShield® Electrical Box Insert - 3.75" x 3.75" x 1/8" (95 mm x 95 mm x 3 mm)||0.09 lbs (0.04 kg)|
|EP44-Bulk||600||N/A||02501||PowerShield® Electrical Box Insert - 3.75" x 3.75" x 1/8" (95 mm x 95 mm x 3 mm) Bulk||0.09 lbs (0.04 kg)|
|EP45||20||1||02505||PowerShield® Electrical Box Insert - 4.5" x 4.5" x 1/8" (114 mm x 114 mm x 3 mm)||0.10 lbs (0.045 kg)|
|EP45-Bulk||450||N/A||02506||PowerShield® Electrical Box Insert - 4.5" x 4.5" x 1/8" (114 mm x 114 mm x 3 mm) Bulk||0.10 lbs (0.045 kg)|
|EP55||250||N/A||02555||PowerShield® Electrical Box Insert - 4.75" x 4.75" x 1/8" (121 mm x 121 mm x 3 mm)||0.13 lbs (0.06 kg)|
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STI’s Wood Frame fire & smoke products
The terms firestop and fireblock are very similar sounding, but there are critical differences between these two practices. Here are the major differences.
We understand the nuances of firestopping head-of-wall joints and other joint systems installed into or between wall systems. We offer flexible joint sealants and sprays or gasket materials that allow for dynamic movement.
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