Ladder Safety Docks Ladder safety docks provide safe and easy access to roofs. They can be used as a permanent or temporary fixture, and are compatible with most ladders. Tie Down Safety currently offers ladder docks as commercial and residential options. The Tie Down Safety Commercial Ladder Dock is OSHA compliant and installs on flat, sloped, and parapet roofs. The Tie Down Safety Residential Ladder Dock can accommodate roof pitches up to a 6/12 pitch.