Products / GacoFlex A4121 Acrylic Primer

GacoFlex A4121 is a water-borne, single-component elastomeric acrylic coating used as a temporary primer over Gaco roof foam until an additional layer of foam or a GacoFlex coating is applied. The product data sheet limits its exposure life to less than five days and states it is not for use as a topcoat. It is black, with a coverage of 1 gallon per 250 sq ft and a VOC content of 19 g/L.