Case 1

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Remedial (see also Remedial)

Repair the pipe leakage & removal of algae

Find the source of water ingress, stop further water ingress using methods such as sealing, injection, impregnation (see Remedial).

  • Seal and repair the pipe leakage. Ensure complete drainage of the pipe before repairing.
  • Once the leakage source is sealed, remove algae growth with a soft brush and bleach. Flush with clean water and allow to dry thoroughly.
Removing algae from external facades — Weber Renders & Decorative Finishes – Courtesy of
Saint-Gobain Weber UK & Ireland