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Sopro DSF 523 flexible sealing mortar 20kg

by Sopro
Original price 390,00 zł - Original price 390,00 zł
Original price
390,00 zł
317,07 zł netto
390,00 zł - 390,00 zł
Current price 390,00 zł
317,07 zł netto

Stock Available: 2

ikona dostawy Delivery: starts from 11,99 zł - [More]

Sopro DSF 523 - one-component elastic sealing mortar

One-component cement sealing mortar for producing flexible water-impermeable and crack-bridging coatings. When renovating existing, durable and load-bearing ceramic tile coverings on balconies and terraces (tile-on-tile method).

Capacity : 20kg

For use in wet rooms (bathrooms, showers, laundry rooms, kitchens) under claddings and carpets made of ceramic tiles, in swimming pools, on balconies and terraces under claddings and carpets made of ceramic tiles, as well as under terrace boards and slabs on spacers, in underground parts of the building, in utility water tanks. It has the National Technical Assessment ITB-KOT-2017/0027.

  • Vapor-permeable
  • Resistant to UV rays
  • Resistant to negative pressure
  • Drying time: approx. 4 hours per layer
  • Walkable: after approx. 5-6 hours
  • Low layer loss after drying
  • Use time: approx. 2 hours
  • Easy application
  • For application with a roller, spatula, painting and spraying
  • For balconies and terraces
  • For humid and wet rooms
  • For swimming pools
  • For underground parts of buildings
  • For drinking water tanks
  • For walls and floors
  • Indoors and outdoors
  • Product with low chromate content acc. with Regulation (EC) No. 1907/2006, Annex XVII


Composite sealing in rooms (e.g. showers, sanitary facilities, toilets) for applications in accordance with DIN 18534 in water impact classes W0-I "low", W1-I "moderate", W2-I "high" and W3-I " very high", intended for finishing with ceramic and stone cladding (corresponds to water load classes A and A0 in accordance with the list of regulations of the German construction supervision and ZDB guidelines).

For the production of internal seals for utility water tanks and basins (e.g. swimming pools) in accordance with DIN 18535 part 3 in water impact class W1-B "Up to 4 m water column height" (corresponds to load class B in accordance with ZDB guidelines). For sealing balconies and terraces in accordance with DIN 18531 part 5 (corresponds to load class B0 according to ZDB guidelines). When renovating existing, load-bearing and durable ceramic tile coverings on balconies and terraces. As a seal on terraces under terrace and wooden boards, under slabs on spacers.

For the production of flexible, crack-bridging sealing coatings, protecting the surface of building elements and structures, resistant to negative pressure.

Recommended substrates

Mineral substrates made of concrete, lightweight concrete, aerated concrete, cement and cement-lime plasters, plasterboards, gypsum fiber boards and cement boards, plasters made of plastering and masonry binders; a wall with full joints and an even surface (do not use for mixed walls); cement, anhydrite, dry screeds; dry construction boards bonded with cement; metal substrates; old ceramic cladding; heated floors; Sopro mats and sealing tapes and Sopro system elements formed from it.

Mixing proportions

Application by:

  • painting: 5.8-6.2 l of water: 20 kg Sopro DSF 523
  • filling: 5.0-5.6 l of water: 20 kg Sopro DSF 523
  • spraying: 7.4-8.0 l of water: 20 kg Sopro DSF 523
  • painting: 1.1-1.2 l of water: 4 kg Sopro DSF 523
  • filling: 1.0-1.1 l of water: 4 kg Sopro DSF 523
  • spraying: 1.5-1.6 l of water: 4 kg Sopro DSF 523

Time of use

Approx. 2 hours; The set mortar should not be made reusable by adding water or mixing with fresh mortar.

Temperature application

Optimal from +5ºC to max. +25ºC (substrate, air, material)

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*(Otwarcie w nowym oknie z oficjalnej strony producenta)

Additional information

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Time to withdraw from the contract: 14 days

(detailed rules for returning products can be found in the tab: return of goods)


Time for a warranty claim: 2 years

(warranty excluded for entrepreneurs to the extent permitted by law)