Category

Koester - two-component waterproofing coating Koester 21

manufacturer: Koester

Category: KOESTER - construction chemicals

product #: 33922

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Price on request

price-list
net unit price
35,00zł
for kg
discount price
net unit price
28,83zł
for kg
minimum trading quantity
the amount of product
20.00 kg
unit
trading
20.00 kg
total price
net list price
700,00zł
for 20.00 kg
total price
discounted net price
576,60zł
for 20.00 kg
price-list
gross unit price
43,05zł
for kg
discount price
gross unit price
35,46zł
for kg
minimum trading quantity
the amount of product
20.00 kg
unit
trading
20.00 kg
total price
gross list price
861,00zł
for 20.00 kg
total price
gross discount price
709,22zł
for 20.00 kg

Product description

Crack-bridging mineral, white, elastic coating. It has high resistance to mineral oils and aliphatic hydrocarbons. Resistant to pressurized water and mineral oils.

Properties

  • two-component, solvent-free, liquid consistency
  • flexible and crack bridging waterproofing material
  • very high adhesion to wet and dry surfaces
  • liquid consistency, thanks to which it is very easy to apply, even on complex structural elements
  • coating resistant to UV radiation, which allows it to be used outdoors and indoors
  • the white color reflects solar radiation, preventing the coating from heating up
  • the coating has a short setting time
  • high flexibility,
  • resistance to aging, poor pedestrian traffic, hydrolysis and de-icing salts
  • frost-resistant product
  • the material is resistant to oil in synthetic and aliphatic hydrocarbons at high boiling point (up to 2 bar)
  • the product is not resistant to substances containing aromatic hydrocarbons such as benzene, xylene, toluene
  • does not contain volatile organic substances (VOC = 0),
  • does not contain polyurethane, isocyanate or bitumen

Application

  • underfloor waterproofing in buildings
  • waterproofing foundation in (on the side of pressing water)
  • waterproofing the tank in the flat roof above unheated rooms
  • insulation under ceramic cladding, on terraces, balconies, it can also be used as a protective coating against mineral oils and aliphatic hydrocarbons
  • Suitable for use as surface protection against mechanical and chemical stress, e.g. in oil sedimentation tanks
  • good adhesion to masonry surfaces, concrete, cement screeds, metal, bitumen and PVC

Technical data

  • White color
  • pasty consistency
  • mixing ratio (by weight) 2: 3 (A: B)
  • application temperature from +5 C to +35 C
  • substrate temperature minimum +5 C
  • time to use the material after mixing approx. 45 min (1 kg of material at the temperature of +23 C)
  • one layer thickness 0.5-2.0 mm
  • crack bridging up to 0.4 mm
  • density 1.55 g / cm 3
  • CO 2 permeability: S d CO 2 = 924 m
  • water vapor permeability S d <10 m (Class II)
  • capillary absorption and water permeability w = 0.011 kg / m 2 xh 0.5
  • thermal compatibility (with de-icing salts) meets the requirements of EN 1504-2: 2004
  • tear adhesion ≥ 1.0 N / mm 2
  • the product complies with the European standard EN 1504-2: 2004
  • consumption 2.5-3.0 kg / m 2
  • package 20 kg set