Specification

1
PRODUCT DATASHEET
DESCRIPTION: Rapid Set WATER STOP is a high performance, fast setting material
designed to stop water leaks in concrete and masonry. Durable in wet environments,
WATER STOP is a blend of Rapid Set hydraulic cement and specially graded fine
aggregates. WATER STOP is non-metallic and no chlorides are added. Mix WATER STOP
with water to produce a workable, high quality material that is ideal where rapid strength
gain and high durability are desired. WATER STOP sets in less than 5 minutes and
achieves structural strength in 1 hour.
USES: Use WATER STOP for cracks and holes in concrete or masonry surfaces such as
walls, floors, swimming pools, cisterns, water tanks, basements, fountains, etc.
ENVIRONMENTAL ADVANTAGES: Use WATER STOP to reduce your carbon footprint
and lower your environmental impact. Production of Rapid Set cement emits far
less CO
2
than Portland cement. Contact your representative for LEED values and
environmental information.
SURFACE PREPARATION: Application surface must be clean, sound and free from any
materials that may inhibit bond, such as oil, asphalt, curing compound, acid, dirt and
loose debris. Roughen surface and remove all unsound materials. Apply WATER STOP to
a surface that is thoroughly saturated.
MIXING: Organize work so that all personnel and equipment are in place before mixing.
Use clean potable water. WATER STOP may be mixed using 1 part water to 3 parts
WATER STOP by volume. First, add the water into a mixing container or pail. Add
WATER STOP and mix thoroughly with a trowel for 30 to 60 seconds to achieve
a lump-free, putty-like mixture. Do not mix more material than can be used in
2-3 minutes. Do not retemper.
INSTALLATION: Using a trowel or gloved hands, quickly press WATER STOP firmly into
the hole or crack. Maintain steady pressure until product stiffens, then release and finish.
CURING: No wet curing is required under typical conditions.
COLD WEATHER: Environmental and material temperatures below 70°F (21°C) may delay
setting time and reduce the rate of strength gain. Lower temperatures will have a more
pronounced effect. Thinner sections will be more significantly affected. To compensate
for cold temperatures, keep material warm and use heated mix water.
WARM WEATHER: Environmental and material temperatures above 70°F (21°C) may
speed setting time and increase the rate of strength gain. Higher temperatures will have
a more pronounced effect. To compensate for warm temperatures, keep material cool
and use chilled mix water.
YIELD & PACKAGING: WATER STOP is available in 25-lb (11.3-kg) box. 1lb (0.45kg) of
WATER STOP yields approximately 14 in
3
(229 cm
3
) and will repair approximately 26" of
a 3/4" x 3/4" (1 kg for 146 cm of 2 cm x 2 cm) crack.
SHELF LIFE: Rapid Set
®
WATER STOP has a shelf life of 12 months when stored
properly in a dry location, protected from moisture, out of direct sunlight, and in an
undamaged package.
WATER STOP
Hydraulic Cement-Based Water Plug
PRODUCT CATALOG
REPAIR &
RESTORATION
OVERVIEW
Highlights:
Water Plug: Stops water leaks quickly
Fast: Sets in less than 5 minutes
Strong: Structural strength in 1 hour
Concrete gray color
Excellent Bond: Superior adhesion to con-
crete and masonry
Multi-Purpose: Interior/exterior, horizontal,
vertical, and overhead applications
Conforms to:
ASTM: C928, C387
State and Local Approvals
MasterFormat
®
2016
03 01 30
Maintenance of Cast-in-Place
Concrete
03 01 50
Maintenance of Cast Decks and
Underlayments
Manufacturer:
CTS Cement Manufacturing Corp.
12442 Knott St.
Garden Grove, CA 92841
Tel: [phone] | Fax: [phone]
Web: www.CTScement.com
E-mail: [e-mail]