For proper safety, how far should wood siding and sill plates be above grade?

The correct distance for wood siding and sill plates above grade is six inches. This guideline is based on best practices to prevent moisture intrusion, pest infiltration, and deterioration of the wood due to ground contact. Keeping wood materials elevated above grade level helps to ensure that they remain dry, reducing the risk of rot and other moisture-related issues.

Maintaining a clearance of six inches allows for proper drainage and airflow around the foundation and the siding materials, further aiding in their longevity. This standard is widely accepted in building codes and recommended by various construction guidelines, emphasizing the importance of this specific height in safeguarding the structural integrity of the home.