There are several steps to follow to solve a water infiltration problem and choose the right exterior French drain system.

• Step 1: Diagnose the source of the problem: To effectively solve a water infiltration problem, it is important to determine the source of the infiltration. This can be done by visually inspecting the outside of the house or by conducting a thorough inspection of the basement with a professional.
• Step 2: Evaluate repair options: Once the source of the problem has been identified, it is important to evaluate different repair options and assess them based on their cost, complexity, and effectiveness.
• Step 3: Choose the right drain system: There are several types of exterior French drains, including foundation drains, perimeter drains, and waterproof membranes. It is important to choose a system that will meet your needs in terms of cost, durability, and effectiveness.
• Step 4: Install the drain system: Once you have chosen the right drain system, it is important to hire a qualified professional to install it properly.