• Historic Oberputz

    Article No. 057625

    CL Top Historic

    Specially formulated render finishing coat

    Colour: CL Top Historic | 0576
    Size / Quantity

    Brochures

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    Product specifications

    On delivery

    Compressive strength Dependent on building
    Maximum grain size Dependent on building
    Water requirement Dependent on formulation used

    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
    • For project-specific repair, renovation and restoration of old building facades, historical buildings and architectural monuments

    Properties

    • Reproduction of the original state in accordance with monument preservation targets
    • Specially adapted binder
    • Specially adapted grain size distribution
    • Preparation
      • Substrate requirements

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

      • Preparations

        Substrate: absorbent with low strength

        Apply product as a bonding layer > 50% opaque.

        Substrate: weakly absorbent

        Apply product as a scratch coat (contact layer).

    • Application
      • Smoothing trowel
      • Application temperature: min. 5 °C max. 30 °C
      • Application requirements

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

      • Apply mortar by hand; for layer thicknesses greater than 15 mm, throw on or apply using a rendering machine.

        Maximum layer thickness approx. 20 mm (depending on the specific formulation).

         

    • 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.

        Hairline/shrinkage cracks are safe and are not cause for complaint as they do not impair the properties of the mortar.

        Since the material is formulated for a specific object, application by machine cannot be guaranteed.

    • Working tools / cleaning
      • Smoothing trowel
      • Mixer, trowel, smoothing trowel, aluminium float, render comb, sponge float

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

    • Storage / shelf life
      • Protect form moisture
      • Shelf-life 6 months
      • Dry, in unopened containers, 6 months.

    • Usage
      • Depending on object and formulation / m²
      • Dependent on building and formulation

      • Apply to a large enough trial area to determine the precise amount required.

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

        May contain traces of pyrite (iron sulphide).

        Do not use on gypsum-based substrates.

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

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

    • 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.