Product Overview
PRODUCT DATA SHEET
METACAULK
®
1200, 1200SL,
1200 CAULK GRADE
Spray & caulk restop mastic
December 2017
1. Product Description
All three grades of Metacaulk
®
1200 are a single
component, general purpose re rated sealant for
construction joints such as top of the wall, curtain
wall perimeter, expansion, control, etc. and for
general construction gaps and voids. Metacaulk
®
1200 is a water based sealant that comes in three
different grades. Metacaulk® 1200 mastic grade
is designed for spray applications and provides
a fast, economical means of installation on long
joint runs. Metacaulk® 1200 Self-leveling (SL)
sealant is made for horizontal applications where
quick installation is necessary. Metacaulk®
1200 caulk grade is a non-sag sealant that is
easy to apply from a caulk gun or troweled. It
cures to an elastomeric membrane seal that is
suitable where dynamic movement is expected.
In the event of a re, Metacaulk
®
1200 will
prevent the spread of ames, smoke, hot gases
and water through the joint openings. No dilution
or mixing is required for use. Metacaulk
®
1200 can be caulked from a tube, brushed or
troweled from the pail, applied with a spray
pump or poured. Metacaulk
®
1200 systems are
rated for up to 4 hour conditions in accordance
with ASTM E1966/UL 2079 (Tests for Fire
Resistance of Building Joint Systems), CAN/
ULC-S115 (Fire Tests of Firestop Systems) test
standards. Metacaulk
®
1200 has been cycled 500
times, meeting the new ASTM E 1399 standard.
Also tested in accordance with ASTM E 814
(UL1479) for systems up to 4 hours. Metacaulk
®
1200 is protected in a wet stage as well as
in a dry stage against mold growth with a
combination of biocides.
Use Metacaulk
®
1200 for various
applications:
Curtain Wall Joints
HVAC Ductwork
Top of the Wall Construction Joints
Deection Track Wall Systems
For complete list of product applications
or for additional technical information, call
RECTORSEAL
for the latest updated information.
Metacaulk
®
1200 Features
• Sprayable, Brushable, Trowelable,
Caulkable or Pourable
• Freeze-thaw
• Water based
• Flexible - Elastomeric
• Paintable
• VOC Compliant
• Excellent Smoke Seal
• Minimum 3 Year Shelf Life
2. Material Properties
Asbestos Fillers None
Solvents None
Hazardous Ingredients None
Application Spray,
Caulk,
Brush or
Trowel
Application temperature
between 40˚F - 120˚F
4˚C - 49˚C
Color Red or White
Cure Time 5 to 7 days
[1/8" at 77˚F
(25˚C)]
Density 10.5 lbs./gal.
Flexible Yes
For Metacaulk
®
1200 spray application, use
recommended spray equipment. Contact
Technical service at 1-800-231-3345 for
current recommendations.
When system clean up is needed, follow
manufacturer's instructions for specic
equipment used.
4. Installation Data
Tightly pack with the appropriate backing
material as listed in the selected UL System
design. There should be no loose insulation,
voids or gaps present. Apply the required
coating thickness to completely cover
backing material.
Consult UL Directory for complete
instructions and system listings.
Skin Over Time 30 - 45 min.
[at 77˚F (25˚C)]
pH Value 7 to 8
Volume Coverage (at 1/8" wet depth):
Per Square Foot 18
cu. in
.
Per 20.2 oz 36 cu. in.
Per 30 oz. 54 cu. in.
Per Quart 58 cu. in.
Per 5 gallon pail 1155 cu. in.
VOC Negligible
ASTM E 84, UL 723 Tunnel Test
Flame Spread 0
Smoke Index 0
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
®
1200 can be used as a general
purpose re rated sealant and smoke seal
for construction joints on both vertical and
horizontal surfaces. Metacaulk
®
1200 is also
an excellent re rated acoustical sealant and
can be used in areas under constant vibration
or movement.