Date
Inquiry
For part (e-ii), what is sand or diatomaceous earth barrier? What does it look like? Are there installation specifications or details?
Ruling
These are natural materials that can be used as physical insecticides by preventing insects from reaching the foundation of the house. They should be installed around the foundation of the home, and their application should depend on the site-specific needs.
Updated 10/1/13 for rating system applicability.
Internationally Applicable
On
Campus Applicable
Off