The surface applied FlexBarn barn door sliding door system is available in custom widths from 6-feet 9-inches to 9-feet 5-inches for single slides, and 9-feet 4-inches to 15-feet 4-inches for bi-parting doors that offer unobstructed access and improved sanitation. The trackless self-closing system is useful in medical and office spaces where multi-functional doors are needed. The soft-close and soft-open dampening system is activated by a gentle manual pulling force.