Penetrating damp occurs when water enters a building from the outside and moves through walls, roofs, or structural elements. Unlike rising damp, which comes from the ground, penetrating damp travels horizontally. It is usually caused by defects in the building exterior. What Causes Penetrating Damp? Common causes include: Water enters through structural weaknesses and soaks … Continue reading What Is Penetrating Damp? Causes & How to Fix It