Acrylic waterproofing Teknomer 300 EX

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Acrylic waterproofing Teknomer 300 EX

One-component waterproofing material with a high elasticity based on an acrylic resin.

828 uah
Wholesale price 703.8 uah from 10 bucket

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Teknomer 300 EX is a water-based elastic acrylic mastic for waterproofing bathrooms, showers and laundries for ceramics, linoleum and other facing finishing coatings.

Scope of application:

  • for all types of surfaces (concrete, plaster, aerated concrete, brick, galvanized metal, PVC)
  • for OSB boards and drywall
  • for external waterproofing of walls of silos and warehouses
  • open balconies and terraces
  • kitchens, bathrooms and shower rooms, dining rooms and laundry rooms, bathrooms
  • to create a moisture-proof layer under the plate materials
  • to create a moisture-proof layer before laying coatings made of wood, plastic and other materials


  • it has high flexibility at low temperatures
  • it has a high resistance to cracking
  • has  good adhesion to many materials
  • prevents carbonation in concrete
  • easy to apply
  • the finished surface can be painted or finished with tile materials

Instructions for use

The surface to be applied must be free of all types of oil, rust, detergents, and other substances that prevent setting. If there are areas in the form of cracks, cavities on the surface - they should be pre-repaired with the help of convenient cement mixes Teknorep 300 and Teknorep 300 EX.  The corners and joints on the application surface must be sealed with Teknomer Pah Band 120/70 elastic insulation tape.

Before applying, the material must be mixed until a uniform consistency is formed. To use TEKNOMER 300 as a primer, dilute it with clean water in a ratio of 1: 1. Apply the material with a brush or roller on a dry surface. Each subsequent layer of the material is applied perpendicular to the application of the previous one, as reinforcement between the layers, if desired, you can use a reinforcing mesh made of fiberglass. 

Application Notes / Restrictions

  • Finishing with tiles, ceramics or other materials should be carried out no earlier than 3 days after applying Teknomer 300.
  • Do not use the material under adverse weather conditions( high humidity, air temperature above 35°C).
  • Do not use the material on a surface that has a risk of freezing for 24 hours after application.
  • Before use, the contents of the container must be mixed.
  • Apply to a moistened surface with a brush or roller.
  • Depending on the surface absorbency, Teknomer 300EX can be diluted with up to 50% water to produce a primer solution. The waiting time between layers is at least 5 hours.
  • After application, the surface must be protected from adverse weather conditions, such as direct sunlight, strong wind, high air temperature (above 35°C), rain and frost.
  • The equipment should be washed with water immediately after application.     




3 kg bucket

Shelf life

12 months in a dry environment in sealed packaging

Time use

> 3 days

Applying the second layer

5 hours

Application temperature range

( 5°C) - ( 35°C)

Ready to use

3 days


1.53 kg/m2 (thickness of layer of 1 mm)


5 Bar (positive)

Adhesive force

1 N/mm2

Temperature resistance

(- 25 ° C) ( 80 ° C)

Penetration in cracks

≥ 2.5 mm


500-700 %

Product publications

How to perform waterproofing on outdoor balconies and terraces
How to perform waterproofing on outdoor balconies and terraces

Water-based elastic acrylic compound is an effective solution for waterproofing open balconies, terraces and other areas exposed to temperature changes, wind and moisture.

Read article
Acrylic waterproofing Teknomer 300 EX

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