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 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 in showers
- can be used indoors 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.
What must be observed when preparing the substrate?
Technical Details
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.
| Technical properties |
|---|
Fundo Integro- Fundo Plano
Fundo Primo
Fundo Ligno Plus
Fundo Borgo
Fundo Trollo
Fundo Nautilo
for wedi Solso
Fundo Plano Linea
Fundo Riolito Neo
Fundo Riolito
Fundo RioLigno
Fundo Riofino
Fundo Discreto- New
Fundo sloping board 
Building board
Building board XL and XXL
Sanwell shower wall module
Sanwell wall elements
wedi Subliner Dry
Subliner Dry and Flex
Downloads
Usage
wedi 520 flexible sealant is suitable for flexible sealing under tile coverings:
- In wash rooms, as well as in toilet and shower facilities
- In combination with ceramic coverings for indoor 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 for universal indoor use
- Licensed together with wedi 320 in a building-approved system as an alternative sealing in combination with ceramic tiles and building boards