• WP DKS [basic]

    Article No. 042325

    WP DKS rapid [basic]

    Quick-setting waterproofing filler

    0423 | grey
    Size / Quantity

    Brochures and Catalogues


    Product specifications

    Compressive strength 24 h: > 15 N/mm²
    28 d: approx. 30 N/mm²
    Initial setting (20 °C) After approx. 15 minutes
    Final set (20 °C) After approx. 20 minutes
    Bulk density of fresh mortar Approx. 1.9 kg/l
    Adhesive pull strength Trowel: > 2 N/mm²
    Slurry: > 1.5 N/mm²
    Consistency Rigid/malleable to trowelable
    Layer thickness Single layer < 50 mm
    Water requirement 10-14% corresponds to 2.5-3.5 l/25 kg
    Water absorption coefficient w24 < 0.1 kg/(m2h0.5)

    The stated values represent typical product characteristics and are not to be construed as binding product specifications.

    Field of application

    • For use indoors and outdoors
    • Quick, waterproof repair of defective areas
    • Negative water pressure load up to 1.5 bar (> 2 cm layer thickness)
    • Joint and surface filler
    • Production of sealing coves
    • Damp proofing for below ground waterproofing measures


    • Low-stress and crack-free setting
    • Very good adhesion to the substrate
    • Fast setting
    • High sulphate resistance and low active alkali content (SR/NA)
    • Preparation
      • Substrate requirements

        Clean, dust-free and capable of supporting a load.

        Concrete substrates must be sanded first.

      • Preparations

        Remove render and/or coatings at least 80 cm above the damaged area.

        In the floor-wall connection remove screed for a width of approx. 20 cm.

        Remove projecting seams and mortar remains.

        Break off or chamfer corners and edges.




        Immediately remove excess product.

        All follow-up working steps must be carried out wet-on-wet.

    • Application
      • Application temperature: min. 5 °C max. 30 °C
      • Filling knife / Trowel application / Jointing iron / Sealing cove
      • Application requirements

        Temperature of the material, air and substrate: from min. +5 °C to max. +30 °C

      • Bonding layer

        Apply product in a grouting consistency as a bonding layer.


        Repairing defective and broken-out areas

        Apply product in a filler consistency to the wet bonding layer, if necessary in multiple layers.

        Single-layer coating thickness < 50 mm

        The following layer is applied as soon as the preceeding one can no longer be damaged.


        Creating sealing coves

        Apply product wet-on-wet over the adhesive grout along the wall/floor connection region in a radius of 40 - 60 mm.


    • Application instructions
      • Once it has hardened, mortar must not be made workable again by adding either water or more wet mortar.

        Protect wet mortar surfaces against frost, rain and drying out too quickly for at least 4 days.

    • Working tools / cleaning
      • Filling knife / Trowel application / Jointing iron / Sealing cove
      • Mixer, scraper, trowel, smoothing trowel, float

      • Clean tools with water while the material is still fresh.

    • Storage / shelf life
      • Protect form moisture
      • Shelf-life 12 months
      • If stored in an unopened container and in a dry place, the product will keep for approx. 12 months.

    • Usage
      • 1.7 kg / mm thick layer / m²
      • Approx. 1.7 kg/m²/mm layer thickness
        Approx. 1.7 kg/m as sealing cove

    • General information
      • The mixing water must be of drinking water quality.

        Low chromate content in accordance with Directive 2003/53/EC.

        May contain traces of pyrite (iron sulphide).

        The characteristic data of the product were calculated under laboratory conditions at 20°C and 65% relative humidity.

        Current regulations and legal requirements must be taken into account and deviations from these must be agreed separately.

        The relevant test certificates must be observed when planning and carrying out work.

    • Disposal instructions
      • Larger quantities of leftover product should be disposed of in the original containers in accordance with the applicable regulations. Completely empty, clean containers should be recycled. Do not dispose of together with household waste. Do not allow to enter the sewage system. Do not empty into drains.

    • Safety / regulations
      • For further information on the safety aspects of transporting, storing and handling the product and on disposal and environmental matters, please see the current Safety Data Sheet.

    Possible system products