• Dichtschlämme

    Article No. 040525

    WP DS [basic]

    Rigid mineral waterproofing slurry for new buildings

    0405 | grey
    Size / Quantity

    Product specifications

    On delivery

    Flexural tensile strength (28 days) Approx. 6 N/mm²
    Compressive strength (28 d) Approx. 30 N/mm²
    Water requirement 20-21% equivalent to approx. 5.0 - 5.3 l/25 kg
    Water absorption coefficient w24 < 0.1 kg/(m2h0.5)
    Water vapour diffusion resistance µ < 200

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

    Field of application

    • For use on floors/walls indoors and outdoors
    • Waterproofing of reservoirs against inside water pressure
    • Damp proofing for below ground waterproofing measures


    • Water pressure tight
    • Very good adhesion to the substrate
    • Enables water vapour diffusion
    • Preparation
      • Substrate requirements

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

      • Preparations

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

        Break off or chamfer corners and edges.

        Coves must be rounded out.

        W1-E: seal pipe penetrations by using the product to form a cove around them.


        Prime absorbent mineral substrates with Kiesol MB.

    • Application
      • Application temperature: min. 5 °C max. 30 °C
      • By brush / Spraying
      • Application requirements

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

      • Immediately after mixing, apply the material making sure the entire surface is covered.


        Damp proofing

        Apply one layer on the previously prepared surface.


        Application of render

        Apply the waterproofing as additional grout layer and then throw on SP Prep (Preparatory Mortar) wet-on-wet.

    • Application instructions
      • Do not use in direct sunlight.

        The maximum total wet coat thickness must not exceed 5 mm.

        Protect the fresh waterproofing layer from rain, direct sunlight, frost and condensation water.

        Once dry, protect from mechanical damage.

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

        Please contact Remmers Technical Service (phone +49 5432 83900) before applying with machine processing.

    • Working tools / cleaning
      • By brush / Spraying
      • Mixing equipment, wide brush, grouting broom

      • 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
      • 1.6 kg / mm thick layer / m²
      • Approx. 1.6 kg/m²/mm layer thickness

    • Application examples
      • Layer thicknesses and application rates for application indoors and outdoors

        Type of exposure

        Min. layer thickness (mm)

        Application rate - fresh mortar (kg/m²)

        Application rate - powder (kg/m²)

        Yield 25 kg (m²) (paper bag) 

        Water reservoirs with a water depth of up to 10 m

        ≥ 3.0

        approx. 6.0
        approx. 5.0
        approx. 5.0

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

        May contain traces of pyrite (iron sulphide).

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

        Always set up a trial area/trial areas first.

        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.

        Special agreements and certificates of suitability can be downloaded online at www.remmers.com.


    • 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.