Rocol galva flash hot dip cold galvanising spray rocol 69522 this galva flash hot dip cold galvanising spray paint from rocol offers a triple protection formula developed to exploit the chemical properties of zinc with an advanced resin system to shield steel from corrosion it is ideal for components that cannot be galvanised using a hot dipping process in contrast standard paints create a passive barrier which when breached will offer no protection against corrosion rocol 69522 galva fl