your walls, groundwater naturally rises through the pores of the building materials, like in a sponge. This phenomenon intensifies over time, especially if the foundations are not protected by a damp-proof course. As a result, moisture seeps in, causing blisters, white efflorescence, and sometimes plaster deterioration.
But before you panic, know that there is a preventative DIY solution, easy to implement, without complicated equipment or a large budget.
What you need to take action
Materials needed:
Water-repellent or moisture-resistant mortar (available in DIY stores)
Trowel or spatula
Hard brush
Protective gloves
Dust mask (optional but recommended)
Objective: to create a
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