Merlex Stucco Keeping it Premium since 1963


Concrete Repair

  Super Concrete Patch
  One-Component Polymer-Modified Stucco Repair Mortar For Vertical and Overhead Concrete and Masonry Surfaces
  Trowel applied.
  Merlex Super Concrete Patch is a one-component polymer modified stucco repair mortar for vertical and overhead surfaces. It can be applied to all concrete substrates, above and below grade, interior or exterior. It is a unique proprietary formulation of portland cements, graded aggregates, redispersible copolymers and additives.
  • Quick setting, 60 minutes or less.
  • Easy to mix, requires only clean water.
  • Simple application technique with trowel.
  • Fast strength gain for quick turn-around.
  • Tenacious bond to underlying concrete.
  • May be shaved to conform to surrounding surface contours.
  • Abrasion resistant.
  • Excellent resistance to freeze-thaw and weathering.
  • Non-toxic, VOC compliant.
  • Economical.
Placement and
  For use on vertical and overhead concrete and masonry surfaces, interior or exterior. For floors and driveways which bear traffic, use Merlex Concrete Floor Patch.
Examples of Use
  Recommended uses include repairing holes or voids in precast concrete ceilings, panels, walls and concrete pipe; plus the cosmetic reconstruction of curbs, sidewalks, driveways, bridges and other concrete structures.
and Storage
  Super Concrete Patch is available in 10 lb. (4.54 kg) cans, 4 per carton, and in 50 lb. (22.68 kg) pails and bags, 49 bags per pallet. Stretch wrapping available. Must be kept in dry storage area. Shelf life is six month if properly stored.
  Varies with job site conditions and application technique. For estimating purposes: at 1/4" (6 mm) thickness, 50 lbs. (22.68 kg) covers approximately 20 to 25 sq. ft.(1.8 to 2.3 m2) (0.5 cubic ft. (0.015 m3) of mixed material).
Surface Preparation

All receiving surfaces must be structurally sound, clean, free of dust, dirt, silicones, paint products, efflorescence or any other contaminant which could hinder bonding ability. Provide absorptive surfaces on all substrates including smooth precast or formed concrete by abrading the surface. Undercut the perimeter of the patching area by a minimum thickness of 3/4 inch. The surface should be saturated surface dry (SSD) without standing water.

  Mechanically mix with a slow speed drill to produce a smooth workable consistency.
Add clean potable water:
50 lbs.(22 kg): Add 3 to 4 quarts (2.7 to 3.8 ltr) water.
10 lbs.(4.5 kg): Add 1 1/4 to 1 3/4 pints (.6 to .8 ltr) water.
Do not overwater! Mixing time should not exceed 90 seconds. Do not over air entrain by excessive mixing. Caution: Super Concrete Patch is a fast setting material. Mix only enough material that can be placed in 10 to 15 minutes.

Predampen patched areas to control suction. Apply with trowel, forcing material firmly into receiving areas to ensure a good bond. Build up deep fills gradually. Slightly overfill patch and then shave with straight edge before full set to conform to surrounding surfaces.

Clean Up
  After completing work, clean all mixing equipment and application tools immediately with water. During application, protect surrounding areas from spills and splatters. Clean spills before they set.
  Do not apply to frozen or frost filled surfaces. Do not use when ambient temperature exceeds 110° F (43° C) or will fall below 40° F (4° C) within 48 hours after application. During periods of hot, dry or windy weather, physical moist curing may be required.
  Super Concrete Patch Vertical and Overhead Repair Mortar is warranted to perform in accordance with the product specification when used according to application instructions on the label. This warranty is limited and shall not exceed the total amount paid by the buyer for the product. In no event will Merlex Stucco, Inc. be liable for loss of profits, special or consequential damages in respect to any claim. The foregoing warranties are in lieu of all other warranties express or implied including those concerning fitness for a particular use.
Environmental & Safety
  Super Concrete Patch contains portland cement and is alkaline on contact with water. May be irritating to eyes and skin. Wear appropriate dust, skin, and eye protection. In case of eye contact, flush immediately with water, consult a physician. Wash hands with soap and water after use and before eating. Keep out of reach of children.
Technical Data
Compressive Strength ASTM C-109 1 day: 1900 psi
7 day: 4350 psi
28 day: 5300 psi
Tensile Strength ASTM C-190 7 day: 450 psi
28 day: 490 psi
Shrinkage ASTM C-157 7 day: 0.055%
Freeze/Thaw ASTM C-666-92 Passed 300 cycles;
Durability factor: 96%