In general, an exterior latex semi-gloss paint will require an exterior latex primer designed for gloss paints. You can substitute oil for latex, interior for exterior, and flat for gloss in the formula to get the right kind of primer. Note: Never use spray paint to paint your columns.Click to see full answer. In this regard, what paint is best for fiberglass?The Sunrise Window company recommends an acrylic latex paint for fiberglass. Acrylic paint adheres well to fiberglass, overcoming one of the main challenges to painting this material. Acrylic paint is less likely to crack and blister, and will hold up well to cleaning.Secondly, can you paint PVC columns? Painting: When cellular PVC columns are painted, you cannot tell them apart from there wooden counter parts. Cellular PVC does not require painting for protection. Paint lasts much longer when applied to PVC versus adhering to wood due to the absence of internal moisture. Herein, how do you remove paint from fiberglass columns? How to Strip Paint Off of Fiberglass Pour about a cup of the chemical paint stripper into a wide-mouth metal can. Brush a 3-foot-by-3-foot section of the fiberglass with the paint stripper. Scrape off the dissolved paint with a putty knife, taking care not to gouge the fiberglass surface. How do you prepare fiberglass for painting?Every square millimeter of the finish to be painted will require sanding and prep work. Fill any low spots in the fiberglass. To raise the profile of low spots in the surface, use a fiberglass glazing putty. Work the putty into the low spot, and then sand it away until the area is flush with the rest of the surface.