OVS 512

OVS 512 is a special surface sealer for the consolidation of screed surfaces and the deep impregnation of cement screed surfaces. 

  • Surface hardening
  • Quick drying
  • Fast curing
  • Reduction of dust
  • Good chemical and mechanical resistance
  • Moisture-vapour permeable
  • Solvent-free 
DOSAGE & CEMENT QUANTITY
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DOSAGE

  • 100–150 ml/mand application depending on the surface quality/roughness of the substrate.
  • Suitable for use with CEM I and CEM II cement screeds. 

PROCESSING INSTRUCTIONS

  • Shake the container well before use.
  • Apply evenly to the screed surface with a lint-free lamb‘s wool roller (medium pile length), avoiding the formation of puddles.
  • If the substrate is particularly absorbent, prime with diluted OVS 512 (add max. 20% water). 
    Two undiluted applications are required when using the product as surface sealer on its own.
    For all other applications, one application is sufficient. 
    Drying time after priming at +20°C and 60% rel. air humidity: approx. 5 hours. 
    Drying time after each application at +20°C and 60% rel. air humidity: approx. 3 hours.
  • Drying times > 24 hours between individual applications must be avoided.
  • Fully resistant to mechanical stress within the scope of the material-specific properties after a drying time of at least 72 hours. 

Proceed as follows when applying renovation coatings:

  • Sand and vacuum-clean the surfaces thoroughly.
  • Then wipe down the surfaces with a damp mop and allow to dry.
  • Depending on the degree of wear, apply one or two liberal undiluted coats of OVS 512.

Substrate preparation

  • Screed must be ready for covering before application
  • In addition, the substrate to be treated must be clean, without cracks, solid, dry and free of release agents
  • Sand surfaces and vacuum with an industrial vacuum cleaner
  • All chafed patches must be sanded down to the solid grain 

Special instructions

  • Changes in transparency and/or minor chalking in case of exposure to UV light and condensation water can be ruled out.
  • Organic dyestuffs (e.g. in coffee, red wine or vegetable leaves and needles) as well as various chemicals (e.g. disinfectants, acids, etc.) may result in changes in colour.
  • Abrasion may lead to scratching of the surface.
  • The functionality of the product is not affected as long as the sealing film is not damaged down to the screed material.
DOSAGE & CEMENT QUANTITY

DOSAGE

  • 100–150 ml/mand application depending on the surface quality/roughness of the substrate.
  • Suitable for use with CEM I and CEM II cement screeds. 
NOTES