Crizon PRIME is a water based undercoat featuring advanced hiding power for interior/exterior surfaces. They make for an ideal choice as they offer great adhesion and contribute to superior top coat performance.
Ensure surface is thoroughly clean and free from grease, fungi, algae, loose paint flakes and other surface contaminants by rubbing with stiff wire brush or abrasive paper followed by water jet cleaning or wiping off with damp cloth. Putty all dents and holes and seal cracks with appropriate crack sealants.
Apply one coat of Crizon Prime by thinning with required volume of clean water.