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wedi 520

wedi 520

„Flexible sealant.“

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

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

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

Density of mixed material:
ca. 1,36 kg / l

Curing time: approx. 3 minutes

Processing time (at +20 °C / 50 % relative humidity):
approx. 45 mins

Processing temperature:
+5 °C to +25 °C

Number of work days: at least two

Drying time:
approx. 3 hours per layer applied

Rain resistance:
at 5 °C approx. 6 hours, at 20 °C approx. 3 hours

Load-bearing capacity (at + 20 °C and 50 % relative humidity)
Can be walked on after approx. 6 hours*
Ceramic covers can be applied after approx. 12 hours*
Can be exposed to contact with water after approx. 3 days*

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


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 balconies, on terraces, in wash rooms, as well as in toilet and shower facilities
  • In combination with ceramic coverings for indoor and outdoor use
  • On walls and floors in both humid and wet areas
  • Officially approved for composite waterproofing in frequently wet areas suitable for moisture exposure classes A, B, A0 and B0 according to the Building Rules List A, as well as the “composite waterproofing” ZDB information sheet in load classes A and B
  • For use with water impact category W0-I to W3-I in accordance with DIN 18534-1
  • Interior seals for industrial water tanks up to 2 m water depth


Product features

  • Two-component, easy to mix. Both components are provided in the optimal component ratio
  • Ageing-resistant, not susceptible to environmental influences
  • Crack-bridging, provides good protection in the case of subsequent surface cracking.
  • Waterproof and frost-resistant, for universal indoor and outdoor use
  • Licensed together with wedi 320 in a building-approved system as an alternative sealing in combination with ceramic tiles and building boards
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