Product Overview
R50101 1217
10. LIMITED WARRANTY
RectorSeal, LLC makes the Limited Express Warranty that when the instructions for storage and handling of our products are followed we warrant our products to be free from defects. THIS LIMITED 
EXPRESS WARRANTY IS EXPRESSLY IN LIEU OF ANY OTHER EXPRESS OR IMPLIED WARRANTIES, INCLUDING ANY IMPLIED WARRANTY OF MERCHANTABILITY OR FITNESS FOR A PAR-
TICULAR PURPOSE, AND OF ANY OTHER OBLIGATION ON THE PART OF RECTORSEAL, LLC. The sole remedy for breach of the Limited Express Warranty shall be the refund of the purchase 
price. All other liability is negated and disclaimed, and RectorSeal, LLC shall not be liable for incidental or consequential damages.
Suggestions and recommendations covering the use of our products are based on our past experience and laboratory findings. However, as we have no control as to the methods and conditions 
of application, we only assume responsibility for the uniformity of our products within manufacturing tolerances.
METACAULK
®
 JOINT STRIP
4. Application and
 Installation
Install Metacaulk
®
 Joint Strip 
along with any normal backer 
rod, cover it with approved 
architectural caulk or sealant, and 
you have a fire rated control joint. 
No longer do you need to use 
firestop caulks that are difficult 
to install and impossible to paint 
over. No need for mineral wool 
or expensive, difficult to install 
backing materials. Metacaulk
®
Joint Strip has the capability for 1, 
2, 3 and 4 hour assembly ratings, 
refer to the UL systems for specific 
installation instructions.
4. Trowel sealant to the 
 desired finish. See tested
 UL systems for complete
 installation instructions.
5. Storage & Handling
Metacaulk
®
 Joint Strip should be 
stored between 35˚F (2˚C) and 
120˚F (49˚ C). Keep products 
stored under protective cover, in 
their original containers. A stock 
rotation program is recommended. 
Shelf life of the product is indefinite.
6. Availability
Metacaulk
®
 Joint Strip is available in 
1" (25 mm), 1.5" (38 mm), 2" (50.8 
mm), 2.5" (64 mm), 3" (76 mm) and 
4" (102 mm) widths. The 4" widths 
has an adhesive backing. They 
come on a roll 82' ( 25 m) long. 
7. Limitations
To be used only in the tested 
configurations or as recommended 
by RectorSeal.
8. Cautions
FOR CHEMICAL EMERGENCY, SPILL, LEAK, 
FIRE, EXPOSURE OR ACCIDENT, CALL 
CHEMTREC-DAY OR NIGHT 1-800-424-9300.
PRECAUTIONS: Do not take internally. May 
be harmful if swallowed. May cause eye and 
skin irritation if prolonged or repeated contact 
occurs. Wash after handling. FIRST AID:  For 
any overexposure, get immediate medical 
attention after first aid is given. Eyes- Flush 
15 minutes with clean water. Skin-Wash with 
soap and water. Ingestion-Only if conscious, 
give large amounts of water and INDUCE 
VOMITING. FIRE AND SPILLS: Use water 
fog, CO
2
, foam, or dry chemicals. Wipe up 
spills to prevent footing hazard. Clean up 
with scrapers and water. STORAGE AND 
HANDLING:  Store away from heat sources.  
KEEP OUT OF REACH OF CHILDREN.
For additional information, refer to Safety Data Sheet.
For additional technical service, 
call: 713-263-8001 or 1-800-231-3345
fax: 713-263-7577 or 1-800-441-0051
RECTORSEAL
2601 SPENWICK DRIVE HOUSTON, TEXAS 77055
WWW.RECTORSEAL.COM
1. Clean all surfaces in joint area to 
remove loose debris, dirt, oil, wax, 
grease, old caulking, etc.
2. For floor applications, install a 
separate base section of backer rod 
recessed approximately 2" down from 
the top of the floor. Bend and friction 
fit Metacaulk
®
 Joint Strip longitudi-
nally into joint using the backer rod as 
the transport mechanism. Push into 
joint far enough to accommodate the 
required depth of caulk.
3. Gun, trowel, or pump approved
 sealants to minimum 1/4”
 depth on both sides of wall or 
 top of floor over the backer rod.


