Use before you install your thermal boards to ensure all mould and lichen is removed.

  • Kills algae, mould and lichen (approx 1 year)
  • Leaves residual protection
  • No rinsing required
  • Environmentally friendly option

Biocidal Wash is a highly effective biological solution which effectively removes algae, mould and lichen.

Sold in 5 litre tubs with coverage of roughly  500m² | Dilution rate 9:1.



Biocidal Wash is suitable for a range of substrate materials including: Brick, tile, concrete, stone and cladding, as well as silicone, acrylic, mineral and polymer modified render finishes.

Although many renders incorporate algae resistant properties, substrates can eventually become susceptible to micro-organisms when located in very green or damp areas.

Apply using brush, roller or sprayer. Please note that the substrate must be completely dry before application.

For Further assistance, help with any technical questions or help with finding an applicator in your area please e-mail thewallstore@wbs-ltd.co.uk or call 0800 197 8821.


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