Step 1
1. Surface preparation 1.1 New surfaces must be dry, clean and free of other contaminants; good surfaces should comply with ISO 8504. 1.2 For coated steel, water-jet at WJ3 (NACE No. 5/SSPC-SP12), or clean with power tools, or clean rusted areas with power tools to St 2. 1.3 For concrete, clean by shot blasting with round steel shot, or wash with 10% hydrochloric acid made by mixing 3 parts water to 1 part acid (pour the acid into the water), stir gently, pour it over the concrete floor, leave it for about 5-10 minutes, then rinse 1-2 times with clean water. While rinsing, scrub with a stiff brush to remove all dirt. Once you are sure the surface is clean, let it dry completely before painting

















