Prepare RV roof surfaces for EternaBond tape installation—especially in cold weather down to -20°F—with this VOC-exempt primer. The formula acts as both an adhesive promoter and surface conditioner, improving bond strength on difficult or contaminated surfaces.

Widely used as a coalescing agent where dirt or oxidation encapsulates the tape area, Eterna Prime meets all federal health and environmental standards. The 12-quart can supplies multiple tape installations and comes with a 15-year warranty.