A damp wall causes mold and structural damage. Act fast.
What Causes Damp Walls? Rising damp from the ground, penetrating damp from outside, or condensation.
Step 1: Identify the type — rising damp appears at the base of walls, penetrating damp appears as patches after rain.
Step 2: For condensation damp — improve ventilation and reduce humidity.
Step 3: For rising damp — apply damp proof paint to the affected wall.
Step 4: For penetrating damp — check and repair exterior pointing and seals.