"İzoSem" waterproofing admixture

"İzoSem" waterproofing admixture

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Product description

İzoSem is a cement based, waterproofing high quality white color powder admixture, used in plastering, levelling, and concrete works.

Fields of Application

This product can be applied in the following areas:

  • Plastering and levelling works conducted in various areas of construction sector subject to moisture and water;
  • Plastering and levelling works conducted under tile surfaces being in continuous contact with water, such as bath houses, kitchens and balconies;
  • Masonry plasters being in continuous contact with rain and waste waters;
  • Potable water reservoirs;
  • Swimming pools;
  • Can be used as waterproofing admixture in concretes for foundations, tunnels, groundworks, and other areas.


  • Due to hydrophobic nature of the chemical substances in the composition of İzoSem the solution reacts with cement, and creates waterproof surface preventing formation of imperceptible cracks and cavities inside plasters, pourable self-smoothinglevellers and concretes;
  • The İzoSem product increases quality and strength of freshly poured concrete and plaster mixtures reducing formation of air bubbles;
  • The İzoSem product shows no effect on Portland cement freezing;

Application procedures

Preparation of the mixture. The product contains hydrophobic chemical substances. When  preparing plaster or concrete mixture add one package of the İzoSem product to each sack of cement, and mix them. Then add water to the mixture.

Application. The İzoSem product can be applied using all recommended methods of  mixed plaster, self-smoothingfloor leveller or concrete preparation.

Recommendations. The İzoSem product should be mixed twice after adding to the powder mix. Then water should be poured. Do not add the İzoSem product after pouring water to the mixed solution.

Technical specifications



Operating temperature

+50C - +320C

Specific weight

0.4 kg/l


330 g laminated sealed packages


To prepare 300 kg/mof mixture one package (330 g) of the İzoSem product should be added to each 50 kg sack of Portland cement. In this case cost-effective, waterproof and high-strength surface is formed.

Shelf Life and Storage Method

The product can be stored during 2 years in dry and cool conditions.


  • taking into consideration that İzoSem product contains chemical additives, immediately rinse it with water in case of contact with skin or eyes;
  • do not add any substances not indicated in the application instructions;
  • parameters indicated above have been received on the basis of laboratory tests conducted in the ambient conditions of +230C±20C temperature and 50% +5% humidity. Depending on the actual ambient conditions these parameters are subject to change.

Warranty and technical support

  • information indicated in technical specifications is based on scientific and experimental data;
  • Matanat А company is responsible for the product quality only;
  • with the exception of cases of works executed under the supervision of the company specialists, Мatanat А company shall not be liable for any problems occuring due to improper use of the product by other persons;
  • the company reserves the right to make changes in its product in consequence of scientific-and-technical development;
  • for technical support and or more information please do not hesitate to contact the Matanat А company!