renovation base coat plaster


Product description

For execution of base coat renovation plasters on damp and saline surfaces.
Recommended for historical buildings, foundations, cellar walls and above the ground floors.
Developed according to WTA instruction guidelines.

Main properties

    Main parameters

    • compressive strength: 1.5 – 5.0 N/mm²
    • resistant to salts dissolved in water
    • consumption: ca. 12-14 kg / 1 m² / 10 mm layer thickness
    • waterproof


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    ·          for execution of base coat renovation plasters on damp and saline surfaces

    ·          recommended for historical buildings, foundations, cellar walls and above the ground floors

    ·          developed according to WTA instruction guidelines

    ·          recommended for substrates of medium and high salinity levels

    ·          creates the leveling layer – enables achieving an even layer of ATLAS GOLDEN AGE TR renovation plaster; it is also the first layer absorbing the salt from the substrate and retaining it.

    ·          characterized by high porosity and therefore high ability of retention of crystallizing salt

    ·          large amount (and volume) of pores in the set mortar provides perfect vapour permeability of the coat, enabling free evaporation of damp and fast drying of the substrate.

    ·          resistant to salts dissolved in water

    ·          for indoor and outdoor application

    ·          for manual or machine application

    ·          waterproof

    ·          frost resistant


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    Before commencing works in connection with the application of renovation plastering, it is recommended to establish the salinity level of the substrate. The application of ATLAS GOLDEN AGE TRP renovation base coat plaster is recommended in case of medium and high salinity levels. In other cases, ATLAS GOLDEN AGE TR renovation plaster can be applied directly upon ATLAS GOLDEN AGE TRO scratch coat. Remove damp and saline plasters to the height of 80 cm above the highest visible salinity and/ or dampness borderline. Hammer off masonry mortar from the joints to the depth of ca. 20 mm. Further on, clean the exposed surface of the wall from dust, efflorescence, residues of mortar and weakly adhering elements of the wall. Note! Remove the debris from the site at once. Next, wet the substrate with water and execute the contact layer of ATLAS GOLDEN AGE TRO renovation scratch coat, applied in an openwork layer 5 mm thick, covering not more than 50% of the substrate. After it has set, ca. 24 hours, the proper layer of ATLAS GOLDEN AGE TRP renovation base coat can be applied.


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    Prepare the mortar by pouring the dry mix into a container with a suitable amount of water and mixing mechanically until homogenous, free from lumps and separating liquid. Recommended proportions are 4.60 liters of water to 25 kg of the dry mix. The plaster can also be prepared in plastering units. Apply the plaster in an even layer, manually or mechanically upon the appropriately set scratch coat. Remove the excess of material with a rule. Take care to keep the layer even, minimum 10 mm thick, over the whole surface. Do not float the plaster. After initial setting, brush the surface with a hard hair or a sharp broom horizontally - this is to obtain the roughest surface possible ensuring optimum adhesion to the next layer, i.e. ATLAS GOLDEN AGE TR renovation plaster. While applied plaster is drying, provide appropriate ventilation of the rooms indoors. Protect plasters applied outdoors from drying too fast.


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    ·          The above information constitutes basic guidelines for the application of the product and does not release the user from the obligation of carrying out works according to engineering principles and OHS regulations.

    ·          The tools must be cleaned with clean water directly after use. Difficult to remove residues of the set adhesive can be removed with the ATLAS SZOP agent.

    ·          The shelf life of the product is 12 months from the production date shown on the packaging. The mortar must be transported and stored in tightly sealed bags, in dry conditions (most preferably on pallets).

    ·          Irritant – contains cement. Risk of serious damage to the eyes. Can trigger allergic reaction on contact with skin. Keep out of the reach of children. Do not inhale the dust. Rinse contaminated eyes with large amounts of water and seek doctor’s assistance. Wear appropriate protective clothing, protective gloves and goggles or face protection. In case of ingestion immediately seek medical advice – show the packaging or label.


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    ATLAS GOLDEN AGE TRP is a factory made dry mix manufactured on the basis of the highest quality cement binder, quartz fillers and improvers. The product conforms to PN-EN 998-1 standard. EC Declaration of Performance No. AZW TRP/CPR.

    Mixing proportions: water/dry mix

    4.60 l/25 kg
    Pot life
    ca. 4 hours
    > 45%
    Min. coat thickness
    10 mm
    Max. coat thickness
    20 mm
    ca. 12-14 kg for 1 m²
    at 10 mm layer thickness

    Mortar preparation temperature,

    substrate and ambient temperature during work

    from +5°C to +30°C
    Available packaging
    paper bags of 25 kg

    Content of soluble chromium (VI) in ready-to-use mix

    ≤ 0.0002%

    Factory made plastering mix of specified properties,

    for renovations (R),
    suitable for indoor and outdoor use
    CE 09
    Reaction to fire - class
    ≥ 0.5 N / mm² - FP:B
    Compressive strength
    1.5 – 5.0 N/mm²
    Water absorption

    ≥ 0.3 kg / m² after 24 hours

    Water penetration
    ≤ 5 mm
    Water vapour permeability coefficient μ
    ≤ 15
    Thermal conductivity coefficient
    (average tabular value P=50%)
    0.47 W / mK (λ10,dry)
    Gross dry density
    ≤ 1500 kg/m³
    Mass decrement after freeze-thaw cycles
    < 1%

    Compressive strength decrease after freeze-thaw cycles

    < 10%

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    renovation base coat plaster

    Current documentation