Court Marking and Game Line Marking in Singapore

Sports court marking in Singapore is needed across many settings — schools, condominiums, community clubs, sports halls, multi-purpose halls, factory recreation areas and outdoor open courts. The work involves more than painting straight lines. Each game has a defined court size, line width and feature distance, and the layout must remain readable when several games share one court.

Games and court types we mark

• Basketball — full courts and half courts, often planned around the FIBA 28 m × 15 m layout with a 6.75 m three-point arc and 5.80 m free-throw line. Detailed dimensions are summarised in our basketball dimensions article.
• Badminton — indoor courts with combined singles and doubles lines, typically marked at 40 mm line width in a contrasting colour against the floor base. See our badminton court marking article for the layout.
• Futsal — indoor and outdoor futsal courts up to about 40 m × 24 m playing area with penalty arcs and penalty marks. See our futsal court article.
• Netball — three thirds, centre circle and two goal semi-circles, often with line work that has to stay clear of overlaid lines from other games.
• Volleyball — 18 m × 9 m playing area with attack lines 3 m from the centre line and clear boundary lines.
• Tchoukball — boundary rectangle plus a 3 m radius forbidden-zone arc in front of each frame.
• Squash — court-floor service boxes, short line and out-of-court reference lines where applicable.
• Multi-game overlays — combined layouts (for example basketball + badminton + volleyball + netball on a single school hall floor) using contrasting colours for each game.

Indoor court marking

Indoor courts are typically on timber sports flooring, polyurethane sports surfaces, vinyl sports flooring or epoxy-finished concrete. Indoor marking work usually involves cleaning, light sanding where required, applying a primer or sealer compatible with the existing system, taping out the layout, and applying the line paint in two coats. On timber floors, a final sealer or polyurethane coat seals the lines and protects them from foot scuff. On synthetic indoor surfaces, the line paint must be specified for that surface so adhesion is not compromised.

Outdoor court marking

Outdoor courts in Singapore are most often on concrete or asphalt. They are exposed to rain, sun and seasonal algae growth. Outdoor marking work begins with checking that the concrete is sufficiently cured — for new concrete, a minimum 21-day cure is normally needed before coating — and that the moisture content is acceptable for the chosen acrylic sports coating. Any algae or grease is treated first, the surface is pressure washed, a sealer is applied, and the coloured court coating with a non-skid aggregate goes down before the white or yellow line paint. Our surface preparation article covers this sequence in more detail.

Choosing line colours and widths

Line width and colour selection are not arbitrary. Most sports rule books call for a specific stroke width — for example 5 cm wide lines for FIBA basketball — and a contrasting colour against the playing area. When multiple games share one court, each game's lines should use a different colour, and the dominant game (primary game on that court) should be the most visible. We help our clients plan colour priority and then translate it into the actual paint and stencil work.

Repainting existing courts

Most jobs we attend are repainting and refreshing of existing courts, not brand-new installation. The work involves washing or pressure-washing the existing surface, locally repairing cracks, applying a tie-coat or sealer where the old coating is sound but worn, and then re-laying the line markings. Where the existing coating is failing extensively, we remove it before recoating. See our repair and repainting page for typical workflows.

Site survey and quotation

We recommend a brief site visit before quoting court line marking work. From a few photos plus rough dimensions we can give an indicative range, but the final scope depends on the substrate condition, the games to be marked, and whether overcoating or full recoating is required. Contact us with site photos and intended use to arrange a measurement visit.