Installation Guide

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The Pro’s Choice Since 1936
Color:
Gray
Preparation/Application:
1. Remove all loose concrete from the repair area by chipping with hammer
and chisel. For a successful project, proper preparation is required.
2. Air, mix and substrate temperatures should be a minimum of 40ºF (10ºC).
3. Surfaces to be repaired must be sound and clean. Remove all loose and
foreign matter and any material such as sealers, paints, oil, tree sap or glues
that will interfere with bonding.
4. Smooth surfaces should be roughened to assure a good mechanical bond.
5. Dampen concrete surface just prior to applying Fast Setting Cement Patcher.
Placement:
For an enhanced bond mix a small amount of Fast Set Cement Patcher to a wet
soupy consistency and smear (using a gloved hand) or brush the material onto
the surface to be repaired working the mix into the crack. For a superior bond
use Sakrete Bonder & Fortifier. Allow to dry for a few minutes before continuing.
Then mix material to the proper consistency and following mixing instructions.
Concrete Repair:
Place and consolidate the mix. Work into voids and level with a trowel. Do not
overwork as this may lead to dusting or cracking.
Chipped or Broken Concrete Edges:
• Allow mixed material to stiffen to a putty-like consistency.
• Using a rubber gloved hand, force the material into place overfilling the void.
• Mold, trim and smooth using a trowel. Using one trowel as a temporary form
and a second trowel to finish the surface provides an easier neater repair.
Finishing:
No additional troweling or finishing required. If a broom finish is desired, brush
with a soft bristle broom pulling in one direction.
Refer to:
- ACI 305R Guide to Hot Weather Concreting
- ACI 306R Guide to Cold Weather Concreting
Mixing:
Mix only the amount of material that can be placed in 5 minutes
• Add approximately half the water (see table for water amount) to an empty
pail, then add material and mix. Add additional water as needed but AVOID A
SOUPY MIX.
• When mixing less than the entire bag or pail, mix 4 parts material with 1 part
water or enough to achieve a workable mix. Excess water reduces strength
and durability and can cause cracking, dusting or scaling.
• For improved bond replace 1/4 of the recommended water with the Sakrete
Bonder & Fortifier.
• For improved mixing, mix in a 5 gallon pail using a power drill and a mortar
or paint mixing paddle. Add half of the required water to the empty pail, then
add material and mix. Add the remainder of water as needed.
Fast Setting Cement Patcher
Sakrete
®
Fast Setting Cement Patcher
is a preblended, fast setting mixture
of special cementitious materials,
additives and sand. Sets in 20
minutes. For the rapid repair of
concrete or masonry substrates.
Features:
• High strength 5,000 psi
• Sets in 20 minutes
• Applications 1/4” to 2” (6.4 to 51 mm) in thickness
• Open to foot traffic in 4 hours and vehicular traffic in 24 hours
• Interior/exterior applications
• Horizontal and vertical
Use For:
• Rapid repair of cracks in concrete slabs, driveways or sidewalks
• Repairing broken steps
• Curbs
• Repair broken concrete steps without using forms
• Ramps
• Concrete overlays
• Large masonry crack repairs
Yield/Water/Coverage:
To determine coverage: Multiply Length (feet) x Width (feet) x Thickness (inches)
and divide by 12. Then divide by the yield in the chart above to determine the
numbers of bags needed. See Calculator on Sakrete.com for assistance.
Yield and water are approximate.
Technical Data:
Compressive Strength ASTM C 109
2 hours = 1,000 psi (7 MPa)
7 day = 4,000 psi (28 MPa)
28 days = 5, 000 psi (34 MPa)
Set time ASTM C 191
Initial Set = 15 - 20 minutes
Final Set = 25 - 30 minutes
DIVISION 3
Concrete Topping – 03 53 00
Bag/Pail Size Yield Water Coverage
10 lb (4.5 kg) pail 0.09 ft
3
(.003 m
3
)
0.75 qt (0.7 L) 4.5 ft
2
(0.41 m
2
) at
1/4” (6.3 mm) thick
20 lb (9.0 kg) pail 0.18 ft
3
(.005m
3
)
1.5 qt (1.4 L) 9 ft
2
(0.83 m
2
) at 1/4”
(6.3 mm) thick
40 lb (18.1 kg) bag 0.37 ft
3
(.01 m
3
)
3 qt (2.8 L) 18 ft
2
(1.6 m
2
) at 1/4”
(6.3 mm) thick