U-POL Galv-X Filler is a two component multifunction chemical paste used for the filling of holes and imperfections in surfaces such as steel, aluminium, galvanized steel, GRP and some plastics. It is flexible, easy sanding, particularily good filling on vertical surfaces and ideal as a finishing filler to prepare the surface for painting. Easy-sanding wet or dry within minutes this filler from U-POL can be used on the following surfaces: bare steel, aluminium, galvanised steel and original paint surfaces. Comes in a 750ml tin.