Posted on Sep 24, 2020

D&M Home Inspections

About yard grading:

When your house was first built, the yard sloped away from the building, acting as the roof and drawing water away. After years of water dripping next to the foundation, the yard has sunk next to the house and water is now directed towards the foundation.

Add new dirt and grass and build the ground cover back up to slope the yard away from the house. A good rule is one inch to the foot for 10’. Also, maintain 8” of minimum clearance from the dirt and the wood siding or trim to keep the wood from rotting and also to keep termites out.

I prefer the 18” rule; 18” of clearance between the siding and the dirt or ground cover, 18” of clearance between the siding and fully grown shrubs, 18” of clearance between a finished basement wall and the foundation wall and an 18” of overhang at the soffits.

In some cases, you may need to add a swale to control water. A swale is a water harvesting ditch or depression that is used to handle storm water runoff.

This yard in the picture slopes towards the home in every direction and water is being drawn to the basement. And where water goes, mold grows.
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