New! Enta's Slope Management Schoolis an information site dedicated to slope construction, by slope construction professionals, and for slope construction professionals.

Hello, everyone. This is Enta. I have a question about backfilling behind sprayed mortar and concrete surfaces. In some areas, soil and sand may have washed away, leaving voids. Do you think it’s absolutely necessary to backfill in those cases? When rain falls on the sprayed surface…