Rust-Oleum Hard Hat 2600 Aerosol is a cost-effective line marking spray paint for spot marking in any direction these aerosols are favourite with the construction industry for marking lines on building sites. For line marking on concrete or tarmac car parks and roads Rustoleum have the Hard Hat 4 wheel line marking machine that uses an aerosol paint tin to produce a crisp line in a range of colours and line withs, please see the video on the Hard Hat 2300 product. These aerosols offer a sharp durable robust industrial quality lines with better opacity than many other manufactures even on surfaces such as metal, gravel, soil, grass, wood etc. even on slightly damp surfaces. If you would like to discuss these line marking paint aerosols please call the Technical Department at Promain.