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Common Causes of Moisture Problems in Internal Walls

Introduction

Damp internal walls can be caused by a number of factors, both internal and external. These problems can be difficult to diagnose and resolve, as moisture can travel through walls and floors in unexpected ways. Identifying the source of the moisture is the first step in finding a solution.

What Should Moisture Readings Be for Internal Walls?

The ideal moisture content for internal walls is between 5% and 10%. Moisture readings above 15% may indicate a moisture problem that could lead to mold growth or other issues. If you are concerned about the moisture content of your internal walls, you can use a moisture meter to test the moisture levels.

Common Causes of Moisture Problems in Internal Walls

  • Water Leaks: Leaks from plumbing pipes, roofs, or windows can cause moisture problems in internal walls. Even small leaks can cause damage over time, so it is important to find and fix them as soon as possible.
  • Condensation: Condensation occurs when warm, moist air comes into contact with a colder surface, such as a wall or window. This can happen in bathrooms, kitchens, and other areas where there is a lot of moisture in the air. Condensation can lead to mold growth and other moisture problems.
  • Rising Damp: Rising damp is caused by moisture from the ground rising up through the walls of a building. This can happen in areas with high water tables or poor drainage.
  • Penetrating Damp: Penetrating damp is caused by water seeping into the walls of a building from the outside. This can happen through cracks in the walls or around windows and doors.