A retaining wall is only as effective as its drainage system. Adding weep holes and a drainage pipe will protect its ...

This is because measurements are taken through the drainage pipes that run directly next to the critical section of the wall. “Most of the infrastructure in Switzerland and Central Europe was built ...

You can add weep holes to an existing wall using a hammer drill. Adding a drain pipe is a more complex project that may require professional help. Retaining walls add form and function to your ...