a waterproof barrier. As a result, moisture accumulates, causing blisters, white deposits, and plaster deterioration. But before you panic, know that there’s a simple DIY solution that requires no complex equipment or large budget.
The tools needed to intervene
What you will need:
Waterproofing or damp-proof mortar (available in DIY stores)
Trowel or spatula
Stiff brush
Protective gloves
Dust mask (optional but recommended)
Purpose: to create a barrier preventing moisture from rising while allowing the walls to breathe.
The steps to follow
Prepare the wall
Start by removing all traces of dust, saltpeter, or mold. Use a stiff brush and
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