Erfahren Sie mehr
wedi 520

wedi 520

„Flexible sealant.“

Product information

Flexible and 2-component sealant packed in the correct mixing ratio to one another. wedi 520 bridges cracks and guarantees the highest degree of safety in the case of subsequently occurring surface cracks. Suitable for universal outdoor and indoor use . Specially developed for flexible joint sealing by Subliner Dry & Flex.
  • flexible, 2-component sealant
  • Crack-bridging, provides good protection against subsequent surface cracking
  • hydraulic drying
  • for the flexible sealing under tile coverings on balconies, terraces, in showers
  • can be used both indoors and outdoors with a general approval certificate of the construction supervision authorities.
  • easy to mix because both components are supplied in the correct mixing ratio to one another
  • aging-resistant, unaffected by environmental influences.
  • waterproof and frost-resistant
  • suitable for universal outdoor and indoor use

Technical properties

Powder component: Special cement mortar with selected admixtures and additives
Fluid components: modified acrylate dispersion

Mixing ratio:
10 kg liquid component to 20 kg powder component

Density of mixed material:
approx. 1,75 kg/l

Curing time: approx. 3 minutes

Processing time (at + 20 °C / 50 % relative humidity): approx. 1 to 1.5* hours

Processing temperature:
+5°C to +25°C

Number of work days: at least two

Drying times:
approx. 2 hours after the 1st layer, each further layer about 3 hours*

Rain resistance:
at +5°C approx. 10 hours, at +20°C approx. 5 hours

Load-bearing capacity (at + 20 °C and 50% relative humidity) can be walked on after approx. 24 hours*
Ceramic covers can be applied after approx. 1 - 2 days*. Can be exposed to contact with water after approx. 7 days*

* Higher temperatures and humidity will reduce, lower temperatures will increase the specified times. 

Product sizes

Order no. Designation Quantity
119900520 wedi 520 sealant, comp. A + B 20 kg + 10 kg

Areas of use wedi 520

wedi 520 flexible sealant is suitable for flexible sealing under tile coverings.

  • for use on cantilever balconies, terraces and in showers
  • in combination with ceramic coverings for indoor and outdoor use
  • for wall and floor surfaces in wet areas
  • officially approved for composite waterproofing in frequently wet areas, (corresponds to the moisture exposure classes A1, A2 and B according to the Building Rules List)
  • for coating very large process water tanks or swimming pools with max. 2 m water depth/li>
  • Suitable for moisture exposure classes A01, A02 and B0 in accordance with the "composite waterproofing" requirements of the Federation of the German Construction Industry, (January 2005 edition)