Diagnose Water Infiltration & Plan Exterior Drainage
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What happens here
Begin by thoroughly inspecting your basement for signs of water infiltration such as dampness, mold growth, efflorescence (white powdery residue) on walls, or standing water. Simultaneously, examine the exterior perimeter of your house. Look for "negative pitch," where the ground slopes towards the foundation, channeling rainwater directly against it. Identify any areas where water pools or causes soil erosion. Based on these observations, determine if regrading alone is sufficient, or if additional measures like a French drain are necessary. Pay special attention to the sill plate (the treated wood resting on top of the concrete foundation) in an unfinished section of the basement, as this is a critical point to avoid moisture issues.
Goal: Identify water intrusion points and design an effective exterior drainage strategy.
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