Product Overview

PRODUCT DATA SHEET
METACAULK
®
PUTTY & PUTTY PADS
Fire-rated stick or pad
April 2017
For list of systems see metacaulk.com.
2. Material Properties
Asbestos Fillers None
Application By hand
Color Red
Cure Time None
Specific Gravity 1.48g/cc
Activation of Intumescence:
Expansion Begins
220˚ F
ASTM E 84, UL 723 Tunnel Test
Flame Spread 5
Smoke Index 15
Putty pads
Sound Transmission Class
STC Rating 60*
*Tested in a UL 411 wall assembly/section to ASTM E90
3. Applications
Use Metacaulk
®
Fire Rated Putty
to seal around cable, electrical
conduit and metal pipe to prevent
passage of smoke, flame and
toxic gases. Use Metacaulk
®
Fire
Rated Putty Pads to protect metal
electrical cabinets, outlet boxes
and mechanical cabinets.
4. Installation
Instructions
PUTTY:
Penetrating items should be firmly
anchored. Clean opening of dust,
dirt and oil. Refer to RectorSeal
®
application guide or current UL
Metacaulk® Putty
Features
* Possesses intumescent
properties; expands when
exposed to fire.
* No Volatile Solvents, which
makes it particularly useful
when installing in confined
spaces or occupied areas.
* Does not have Asbestos Fill-
ers.
* A single component putty
system; no mixing neces-
sary and no required addi-
tives.
* DOT Classification is Not
Regulated.
* Applied by hand.
* Easy to install.
* Adheres to all common
building common surfaces.
1. Product Description
Metacaulk
®
Putty is a mold-
able non-curing one com-
ponent fire-rated material for
through-penetration firestop
systems. Metacaulk
®
Putty
will intumesce when heated,
forming an insulating char. In
the event of a fire, Metacaulk
®
Putty will prevent the spread
of flames, smoke, gas and
water through penetration
openings. Metacaulk® Putty
is applied by hand. Mixing is
never required and no spe-
cial skills are necessary for
installation. Metacaulk
®
Putty
is rated for up to 3hours in
accordance with the ASTM
E 814, UL 1479 and ULC/
CAN4-S115-M test standards.
Use Metacaulk
®
Fire Rated
Putty for various penetrations:
Small Openings, EMT Pipe,
Steel, Conduit, and Cabling,
(Telephone, Power, Commu-
nications) and metal or non-
metallic Electrical Boxes
Use Metacaulk
®
Fire Rated
Putty Pads for:
Metal or non-metallic Outlet
Boxes

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