For accurate, even spraying use only with the Cuprinol Fence Sprayer or Cuprinol Power Sprayer, Bare wood should be pre-treated with Cuprinol Wood Preserver Clear (IP) before applying Cuprinol Garden Shades, Do not apply in temperatures below 5C, in damp conditions or if rain is likely before product has dried, Cuprinol Garden Shades will be touch dry in 1 hour under normal weather conditions