CRACKPACK is a thixotropic polymer modified. Cement based single component crack repair mortar. It does not shrink. It sets quickly on applicat


CRACKPACK is used for filling cracks on plaster, masonry and concrete substrates.

Concrete Repair

Concrete Repair

Universal Construction Chemicals



  • Single component - Easy to use .
  • Versatile - Can be used for cracks in exposed conditions on plaster, masonry or concrete upto 20mm width.
  • Non sagging - Can be used for horizontal, vertical and overhead applications.
  • Good adhesion - Effective bonding with substrate.
  • Non Shrink - Shrinkage cracking eliminated.
  • Excellent waterproofing properties.
  • High mechanical strength.


Form Grey powder
Type Single component
Odor No odor after curing
Drying Time 6 hours at 30 C
Mix ed Density 2.0 2.2 kg/lit.

Instruction for CRACKPACK Use

Surface Preparation

The cracks to be sealed shall be saw cut or chiselled to form a 'V' groove of approximately of 6mm x 6mm. The grooves shall be cleaned to remove all the loose particles, dust, etc. The groove shall be sprinkled with clean water before applying the sealing mortar.


  • 1 Kg CRACKPACK is mixed with approximately 200 ml water to get a thixotropic paste.
  • Mixing to be done in low speed mixer.
  • The mixed paste is filled into the groove by gloved hand and the surface finished using a trowel. This is continued till the full length of crack is sealed.


Curing should be done with moist cloth for 3 days and then left for air cure.


Tools may be cleaned with clean water.


CRACKPACK crack sealer/filler cannot be used for moving cracks and for crack width greater than 20 mm.

Packing And Coverage

Packing : 1, 5, & 25 kg. Coverage : About 30 running meter for a V groove crack of 6mm x 6mm for 1 kg. pack. The actual coverage may vary depending on the substrate conditions.

Shelf Life & Storage

CRACKPACK has a shelf life of 12 months from date of manufacture when kept at a temperature between 5 0C to 45 0C and store in the original, unopened bags. All material shall be stored under cover in a manner that will prevent damage preferable on pallets and protected from excessive heat and moisture. Do not freeze.

Health & Safety

CRACKPACK is no-toxic and non-flammable. Avoid inhalation of dust during mixing and wear safety glasses, dust mask and gloves. If skin contact occurs wash thoroughly with clean water. Should eye contact occur rinse immediately with plenty of clean water and seek medical advice. Full health and safety data are given in Product Safety Data Sheet.

Quality Assurance

Universal Construction Chemicals. is a firm of Assessed Capability. The company's quality system conforms to ISO 9001:2015.