[header] How to emulsion walls [title] Purchase the emulsion. [step] You'll need a basecoat of white emulsion plus an overcoat in any color you'd prefer. Only the overcoat will be seen when finished. 
[substeps] Emulsion paint comes in three different finishes: vinyl matte, vinyl soft sheen, and vinyl silk. Matte emulsion hides imperfections well, but soft sheen emulsion is more durable.