Repair Mortar

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Repair Mortar Specifications


LeichtMix Repair Mortar LM-1100 is a Single Packed Polymer Modified Cementitious Mortar.

It is recommended to use for application of vertical and overhead concrete surface, trafficable concrete floor and pavements and as a general purpose repair medium.

AREA of Application

  • Interior & exterior application
  • Repair of spalled concrete
  • Filling of joints between overhead precast slabs
  • Filling of holes or as a general purpose patching mortar

Technical Data

Color Grey
Binder Portland cement
Filler Lime stone & Graded Sand
Density (wet) Approx. 2000 kg/m3
Compressive strength
ASTM C109:2002
10 N/mm2
Tensile adhesion strength
BS EN 1015-12:2000
>1.0 N/mm2
Stiffening Time ( min )
BS EN1015-9:1999
Flexural strength
ASTM C348:
>3.0 N/mm2
Mixing Ratio 5.0 to 5.6 litre of water per 25 kgs bag
Thickness of Application Up to 20 mm/coat as needed
Theoretical Coverage Approx. 2.7m2/6mm/25kg


Surface Preparation

Remove all dust and lose debris from the substrate.

Rust of re-bar must be thoroughly clean and treated with anti-rust coating.

It is recommended to use LeichtMix Bonding Agent prior applying repair mortar to improve adhesion.


Placed required amount of water in a bucket. Pour the powder
while mixing for at least 3 minutes with a mechanical mixer to achieve homogenous and lump free mixture.


Apply Repair Mortar onto the damp substrate with trowel or rubber tool.

Allow application up to 20mm/coat, and wait a minimum of 2 hrs between coats.

Packing & storage

LeichtMix Polymer Modified Mortar is supplied in 25 kg bag


Shelf life is 6 month if stored in original seal under cool & dry condition.