We have went to 3/4 inch good packing gravel along buildings and other areas where we want to keep clean and divide an area. The weeds are few and easy to take care of. 
We have a new fence at church that we put gravel under that makes it a lot cleaner and neater. 

Chuck

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IMG_7158 (full).jpeg (153KB - 12 downloads)

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IMG_7167 (full).jpeg (135KB - 11 downloads)