Brewers Decorator Centres explores how you can freshen up outside spaces using Farrow & Ball exterior paints. Farrow & Ball colours look just as good outside as they do inside, with a range of finishes to suit everything from small details to exterior walls. What kind of finish do you get with Farrow & Ball Exterior Masonry? Farrow & Ball Exterior Eggshell is designed to provide protection against the weather, UV damage, and be resistant to fungi and algae. What kind of finish do you get with Farrow & Ball Exterior Eggshell?