Product Overview

PRODUCT DATA SHEET
METACAULK
®
MC150+
General purpose restop sealant
December 2017
1. Product Description
Metacaulk
®
MC 150+ is a one
component, general purpose fire
rated sealant and smoke seal for
construction joints and through-
penetrations. Metacaulk
®
MC 150+
is a water based, non-sag caulking
grade sealant that is easy to apply
as well as to retrofit. It cures to an
elastomeric seal that is suitable where
dynamic movement is expected.
In the event of a fire, Metacaulk
®
MC 150+ will prevent the spread
of flames, smoke, hot gases and
water through joint openings and
through-penetrations. No dilution or
mixing is required for use. No special
skills are necessary for installation.
Metacaulk
®
MC 150+ is applied with
a conventional caulking gun, bulk
loading gun or can be troweled from
the pail. For large applications, it
can be pumped directly from the pail.
Metacaulk
®
MC 150+ systems are
rated for up to 4 hours in accordance
with ASTM E814 (UL1479) and ASTM
E1966 (UL 2079) test standards. MC
150+ is protected in a wet stage
as well as in a dry stage against
mold growth with a combination
of biocides.
Use Metacaulk
®
MC 150+ for various
applications:
Top of the Wall Construction Joints
Deflection Track Wall Systems
Up to 2" (51 mm)PVC/CPVC & ABS
(Closed)
Crosslinked Polyethylene (PEX) tubing
Steel, Copper, Cast Iron and
EMT Pipe
Telephone, Communication and
Power Cables
For a complete list of product
applications or for additional technical
information, call RECTORSEAL for the
latest information.
pH Value 7 to 8
Volume Coverage:
for 10.3 oz. tube (304ml) 18 cu. in.
(295 cm
3
)
for 5 gallon (18.9 liter) 1155 cu. in.
(18,927 cm
3
)
VOC Negligible
ASTM E 84, UL 723 Tunnel Test
Flame Spread 10
Smoke Index 0
Sound Transmission Class
STC Rating 65*
*Tested in a UL 411 wall assembly/section to ASTM E90.
ASTM G21
Testing for mold and mildew growth resistance
Tested by a third party independent
laboratory to the ASTM G21-13 standard
with Fungal Growth Rating results of zero.
3. Applications
Metacaulk
®
MC 150+ can be used
in interior applications as a general
purpose fire rated sealant and smoke
seal for construction joints on both
vertical and horizontal surfaces.
Metacaulk
®
MC 150+ is also an
excellent fire rated acoustical sealant
and can be used in areas under
constant vibration or movement.
Metacaulk
®
MC 150+ can also be used
on various penetrations such as EMT,
telephone & power cables in concrete
floors and walls , gypsum walls as
well as wood floors. Use Metacaulk
®
MC 150+ to prevent the spread of
fire and smoke through joints in fire
rated gypsum wallboard partitions,
concrete block or concrete walls and/
Metacaulk
®
MC 150+
Features
• Water Based
• Excellent Freeze-Thaw
• Flexible Set
• Paintable
• VOC Compliant
• Safe and Easy to Use
• Minimum 3 Year Shelf Life
• Intumescent
2. Material Properties
Asbestos Fillers None
Solvents None
Hazardous Ingredients None
Application Caulking
Gun or
Trowel
Application temperature
between 40˚F - 120˚F
4˚C - 49˚C
Color Red
Cu re Ti m e 3 to 4 weeks
(at 77˚F/ 25˚C)
De n s i t y 12.5 +/- 0.5
lbs./gal.
Elastomeric Yes
Freeze-Thaw Excellent
Skin Over Time 30 min.
(at 77˚ F/ 25˚C)
For list of systems see metacaulk.com