Masking for Overspray Protection

Getting ready to prep the gutters. We're going to be painting them today and we're using the Titan 440 I airless sprayer with a Rack X fine finish Graco tip. We're putting cardboard shields in the gutter to keep any overspray off the roof. And our first step is going to be to actually spray these gutters with a primer, a bonding primer prior to spraying them. You always want to spray