Field guide

Indoor timber court marking without damaging the finish

Plan line work around a sealed timber system, cure windows and future maintenance.

Planning note: current governing-body rules and the floor/coating manufacturer’s written requirements take priority. Follow the current safety data sheet, ventilation, PPE, access-control and disposal requirements.

Treat the finish as a system

A sports timber floor is not simply bare wood with coloured lines. The seal, game lines and finishing coats may be designed to work together. Before adding or refreshing markings, identify the floor and finish manufacturer, previous coating system and maintenance method.

Survey movement and repairs

Seasonal board movement, repaired strips and local wear can affect line continuity. Mark repairs on the survey drawing and look at how an old line crosses board joints. Paint should not be used to hide movement or unstable repairs.

Plan the work window

Cleaning, masking, application, cure and reopening all need a realistic sequence. A hall that feels dry may not be ready for play, cleaning equipment or stackable furniture. Follow the selected system’s written cure guidance and coordinate access with the facility manager.

Keep the maintenance record

Record product, batch, colour, width, application date, conditions and installer notes. The next refresh is safer and faster when the coating history is known. Keep line samples and the final as-built layout with the floor maintenance file.