Blackfriar Multi-Surface Primer has been specially formulated to prime multiple surfaces prior to further painting. It’s 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: 12m²/L/Coat.Touch Dry: 1 hour.Hard Dry: 3 days.Recoatable: 4 hours.