Blackfriar Multi-Surface Primer has been specially formulated to prime multiple surfaces prior to further painting. It&rsquos ideal for hard and soft woods, chipboard, plywood, GRP, MDF, exterior UPVC, ceramic tiles, iron, steel, galvanised and non-ferrous metals (aluminium, brass, chrome, copper) and old plaster. Application method brush, roller and pad. Coverage 12m/L/Coat. Touch Dry 1 hour. Hard Dry 3 days. Recoatable 4 hours. Blackfriar Multi Surface Primer Size 250ml.