Cetgaurd Metal Primer is a high performance solvent-borne polymer-based 1-component primer. Cetgaurd Metal Primer is used as a coupling agent for various metal substrates in conjunction with Cetco roofing, waterproofing and surfacing systems. Cetgaurd Metal Primer should be used in applications with higher mechanical stresses (e.g., trafficked areas), on detail work with small contact areas, metal drain bowls, or edge terminations metal.