NBS Source
600 Sealer

600 Sealer

Parex Ltd Third party certifications:
  • BBA Agrément Certificate

    BBA Agrément Certificate

    Certificate type

  • QA Certificate

    QA Certificate

    Certificate type

Protects acrylic finishes from harmful UV light.

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A 100% transparent acrylic based, ready to use coating designed to protect render finishes from harmful UV light. It is well suited to protect dark colours against fading. Finishes are water-vapour permeable and do not create a vapour retarder. Suitable for machine or manual applications.

Suitable for:

  • DPR acrylic finishes.
  • Mineral renders.


  • BS EN 13914-1 Code of practice for external rendering.
  • BS 8000 Workmanship on building sites.
  • BS EN ISO 14001:2004.

General information

Uniclass 2015

Pr_35_31_77_92 Ultraviolet (UV)-resistant sealersPrimary


M20/130 Cement:sand (air entrained)

M20/160 Proprietary cement gauged render

M20/5 Cement:sand (air entrained)

M21/20 External wall insulation system . . . . . .

M21/210 External wall insulation system

M22/120 Sprayed

Specification data - Ultraviolet (UV)-resistant sealers

Product Reference

600 Sealer

Standard product features


Clear finish. The sealer may become milky in colour after it gets wet. This is from a chemical reaction in the curing process. This should occur only once or twice when re-wetted after which the sealer will retain its transparent appearance.

Pack size:

19 L bucket.


Ready-to-use liquid:

  • 100% Acrylic.
  • 20% solids by weight.
  • 19% solids by volume.
  • Specific admixtures.

Third party certifications

  • British Board of Agrément (BBA) - certficate : Certificate: 10/4275
  • European Technical Approval : Certificate: 04/0114 (New 2010 approvals pending)
  • Technical Application Document : Certificate: DAT 7/04-1376
  • Irish Agrement Board (IAB) : Certificate: 09/0332 and 09/0342