Moss, mold, algae, or damp patches on your walls are signs of penetrating damp — moisture seeping through cracks in unprotected or aging facades. Common in older buildings or walls with weak plaster, it can damage masonry and create unhealthy living conditions.

At Crystal Damp Proofing, we stop moisture in its tracks with specialist treatments and protective coatings, keeping your walls dry, strong, and long-lasting.