It seals stains (including water and smoke stains)

two coats of AllCoat Exterior Gloss (Solvent Based) will ensure that any exterior looks bright and beautiful for years

cement block and concrete

dirt and abrasion-resistant

Zinsser Bulls Eye 1-2-3 Plus - White Size:2.5 Litre It seals stains (including waterDescription Specification Download Shipping & Returns Product Description: Bulls Eye 1 2 3 Plus is a next generation universal water based primer, sealer, and stain killer. It is ideal for interior and exterior painting projects. Bulls Eye 1 2 3 Plus delivers performance benefits normally only associated with solvent based primers, including exceptional adhesion and stain blocking. No other water based primer delivers the stain blocking power of Bulls