Cut Sheet

1
Technical Service 1-800-992-1180
www.stifirestop.com
POWERSHIELD ELECTRICAL BOX INSERT
PRODUCT DESCRIPTION
PERFORMANCE
PHYSICAL PROPERTIES
Properties Electrical Box Inserts
Properties Electrical Box Inserts
FEATURE BENEFIT
PRODUCT DATA SHEET
• 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- C onductive 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.
SpecSeal
®
Power Shield electrical box insert is a one-component pad for use in electrical switch
or receptacle boxes. The intumescent insert has been designed to install inside the box, directly
against the back wall. SpecSeal
®
Power Shield electrical box inserts expands a minimum 24
times its original size when exposed to high temperatures or flames.
Requiring no tools, SpecSeal
®
Power Shield electrical box inserts are conveniently sized to fit
typical switch or outlet boxes and features an adhesive strip applied to the back of the pad to
ensure adhesion to the back of an electrical box. SpecSeal
®
Power Shield electrical box inserts
are easily applied into an existing box with no mess or residue.
Catalog No. & EP44-(3-3/4˝ x 3-3/4˝ x 1/8˝)
Dimensions: (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)
Color: RED
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.)
APPLICATIONS
SpecSeal
®
Power Shield electrical box inserts
are used to protect an electrical box and main-
tain fire-resistance ratings of wall assemblies,
when the horizontal separation between metallic
boxes on opposite sides of the wall is less than
24" (610 mm).
SpecSeal
®
Power Shield electrical box inserts are the basis for systems that meet the exacting criteria of UL263 (ASTM E119, NFPA 251) and are
Classified for up to 2 hrs as a Wall Opening Protective Material (Category CLIV) for use with metallic outlet or switch boxes installed in gypsum
wallboard wall assemblies. Boxes protected with SpecSeal
®
Power Shield electrical box inserts have been successfully tested on steel studs
with the box spacing reduced to less than 24 in. (610 mm). The pads are not tested nor approved for boxes installed directly back-to-back.
Expansion Begins: 350°F (177°C)
Expansion Range: 350°F to >1,000°F (177°C - 537°C)
Volume Expansion: 16 to 24X (free expansion)
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
STC Rating: 64
(Relates to specific construction)
(ASTM E 90-04)
*Evaluation of physical properties and total expansion.
STI Product Data Sheet • Series EP Powershield• FOD-5036 1586
Pat. No. 6,252,167 B1
SpecSeal® PowerShield
®
Box Inserts
Wall-opening Protective Material
CERTIFIED AS TO FIRE RESISTANCE SEE UL
ONLINE CERTIFICATIONSDIRECTORY.