Not all surfaces have to be primed, but stucco and bare wood normally should be. If priming is necessary is dependent on the type of product your topcoat is. Acrylic primers and paints are favored because their binders suggest improved adherence towards the uneven stucco complete. A large napped roller http://andreshgdaw.articlesblogger.com/10357729/exterior-painters-reviews-an-overview