Repairing damp walls: a simple and economical DIY method

a mild detergent. This step is crucial to ensure good mortar adhesion. Then allow it to dry completely before proceeding.

Prepare the mixture

In a clean bucket, mix the mortar with water according to the manufacturer’s instructions. Aim for a smooth, homogeneous consistency that is neither too runny nor too thick. Wear gloves to avoid prolonged skin contact.

Apply the protective

Using a trowel, spread a first even layer of mortar over the affected area, extending approximately 50 cm above the visible stains. Smooth carefully to fill any cracks and avoid air bubbles. Tip: Work on small areas at a