How Do I Paint Exterior Concrete Block?Updated 2 years ago
Concrete block is a simple substrate to coat it is very important to ensure all absorbency is evened out prior to the application of topcoats. If this process is not completed correctly, spread rates for finishing coats will be greatly reduced.
Cleaning
Clean from all atmospheric, algae, mould contamination using Mould Removal Solution (1 part solution:4 parts water).
Priming
Hydrosol Masonry Primer (1-2 coats Hydrosol Masonry Primer, primer coat should run off blockwork when it is adequately sealed)
Topcoat Options
Finngard Opaque (High-performance option)
Hydroblock WB (Clear protection). Note, no primer is required before application of Hydroblock WB