Determining the moisture level of soil beneath your home is crucial for preventing costly foundation issues. Here are some reliable methods to check the soil moisture levels:
Manual Methods
- Dig a Hole: Dig a hole about 12 inches deep and 6 inches wide. Observe the soil’s texture and moisture content. Damp soil is indicative of excessive moisture.
- Roll a Ball: Collect a handful of soil and attempt to roll it into a ball. If it forms easily, the soil likely contains excess water.
Tool-Assisted Methods
- Moisture Meter: Utilize a handheld moisture meter to measure the soil’s specific moisture content. This provides precise information.
- Tensiometer: Install a tensiometer in the soil and monitor the pressure exerted by the water. Higher pressure indicates drier soil.
Interpreting Results
The ideal soil moisture level varies slightly depending on the soil type. However, a general range to aim for is 20-25%. If the moisture level persistently exceeds 30%, it may indicate the presence of drainage issues.
Addressing High Moisture Levels
If you detect excessive moisture in the soil beneath your house, prompt action is necessary. Consider the following remedies:
- Improve Drainage: Install drainage tiles or French drains to divert excess water away from the foundation.
- Slope the Soil: Ensure that the soil slopes away from the house to promote water drainage.
- Vegetation Removal: Remove any plants or trees with extensive root systems that may absorb and retain moisture.
By regularly monitoring the soil moisture levels beneath your house and addressing any issues promptly, you can preserve your foundation’s integrity and prevent costly repairs in the future.