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Perma Grout-40


Non Shrink Grout Admixture


Perma Grout – 40 is a free flowing shrinkage compensating grout mix supplied in grey powder form which needs only on site addition of water to form a ready to use grouting slurry.

Non Shrink Grout Admixture

Perma Grout-40 is used for :

  • Machine foundations
  • Column/Stanchion foundations
  • Grouting structural cut outs and recesses in sanitary fittings like floor taps, annular spaces of pipe passes through walls etc. in residential buildings.
  • Grouting crane rails, anchor bolts, dowel bars etc.


  • Perma Grout – 40 acheives the strength of parent concrete within 72 hours i.e. 200 kgs/cm2.
  • Perma Grout – 40 is shrinkage compensating hence least affected by shrinkage
  • Perma Grout – 40 is free flowing and self leveling hence does not require any vibrations.
  • Perma Grout – 40 is free from any added Chlorides, Sulphates, Nitrates and any ferrous materials.
  • Perma Grout – 40 achieves a final strength of 400 kg/cm2 after 7 days


  • Clean the foundation surface to be grouted so that it is free from dust, dirt, oil, grease, curing compound, paint etc.
  • Make the surface wet and avoid stagnation of water in the recesses.
  • Mix Perma Grout – 40 with water as per the ratios mentioned above in the properties, to form a smooth consistence mortar or slurry. Lower the water content higher is the strength.
  • Pour the material in the pocket or recesses to be grouted and cure by placing a wet hessian after the initial hardening.


Physical Form : Grey Powder
Max. Particle Size : 2.4 mm
Water Addition For Flowable Consistency : 160 to 180 ml/Kg
Water Addition For Plastic Consistency : 140 to 160 ml/Kg
Free Expansion : 4%
Yield : 13.5 Litres Per 25 Kg Sack



Perma Grout – 40 is available in 10 kg, 25 kg and 50 kg sack.


Perma Grout -40 has a shelf life of 12 months if stored in original packing and kept away from moisture in a cool and dry place.


PERMA warrants that all products are free from any defects of manufacture and comply with the specifications given in their respective technical data sheet. No warranty can be given as to the results of use because conditions of use, such as site conditions, surface preparations, workmanship, weather, structural issues and other factors are beyond the control of PERMA. Purchaser agrees to seek the advice of qualified professionals to carry out tests & take trials to determine the suitability of products for their intended purpose prior to full scale usage of PERMA products and assumes all risks.

The company does not assume any liability for unsatisfactory results, arising from the use of our products. Purchaser’s sole liability is limited to replacement of product or refund of the purchase price paid if any product proven defective. No other warranties, express or implied, shall apply including any warranty of merchantability or fitness for a particular purpose.
PERMA shall not be liable for any consequential damages arising from the use of our products for unsatisfactory results.

The information supplied in this datasheet is based on our experience through extensive research and is given in good faith in order to help prospective users. We reserve the right to update the information provided in our technical data sheet at any time without prior notice within the scope of technical progress or new developments.

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