Algae & Fungus Growth

Algae & Fungus Growth

The growth of Algae and Fungus on the walls creates spots on the walls. While Algal growth is seen as greenish spots, the Fungal growth is black or reddish brown in colour. Algae grow mostly on the exterior wall surfaces, because they need sunlight. However, the Fungi grow on the interior surfaces because they thrive on dampness and do not require sunlight.

Main Causes – Dampness and Vegetation around

Surface

Solutions – Step 1

Solutions – Step 2

Masonry Surface Clean the affected area using wire brush. Filter the bio-wash prepared.
Ascertain if the masonry surface has Algal or Fungal growth. Apply a Coat of the bio-wash on the affected area using a brush.
Prepare a Bio wash by mixing bleaching powder in 1 litre of water. Allow the coat to dry for 2-4 hours.
Use 5% of bleaching powder in case the growth is Fungal and 10% for Algal growth. Clean the surface with water.
Follow Solutions Step 2 Paint the surface as recommended
Plastered Interior Walls Clean the affected area by sanding it. Lay Waterproofing to prevent Algal and Fungal growth.
Prepare a Bio wash by mixing 5% bleaching powder in 1 litre of water.
Follow Solutions Step 2.
Plastered Exterior Walls Clean the affected area by sanding it. Lay Waterproofing to prevent Algal and Fungal growth.
Prepare a Bio wash by mixing 10% bleaching powder in 1 litre of water.
Follow Solutions Step 2.

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