When is a bonder required in a Stucco color coat application?
ยป Under normal conditions a bonder is not a required although the application of an acrylic bonder does offer improved adhesion and basecoat suction control, and when applying color coat stucco over an existing or repaired surface acrylic bonder can provide in a more consistent color result. Acrylic Bonder & Admix is recommended when applying Stucco Color Coat over Parex USA Stucco Level Coat. However if you plan to re-stucco over a smooth surface, the surface should first be etched and then apply an acrylic bonder immediately prior to the new finish. Over a previously painted surface, the paint must first be removed by sand blasting or other methods. It is recommended that the properly prepared wall be coated with an acrylic bonder for proper adhesion of the new color coat.
