Asphalt and bitumen are semi-flexible substrates and you’ll need the right primer to ensure a lasting result.
will interfere with the adhesion of the materials to be applied. Remove loose and failing material by scraping or brushing with a stiff bristle brush to a sound edge. Feather sound edges with a fine grade abrasive paper. Prior to painting, the moisture content should not exceed 12%. Remove all visible signs of organic growth and treat the areas with Zinsser Mould Killer in accordance with the manufacturer’s instructions. Allow to dry. In areas with remaining sound paint clean down with Zinsser Universal Cleaner & Degreaser to remove any contaminants. Rinse thoroughly with clean water to remove all residues. Allow to dry.
Prime all areas to be decorated with one full coat of Bulls Eye® 1-2-3 Primer Sealer (severe stains may need a further coat, allow 2 hours between these coats). Allow to dry overnight before applying a top coat.
Decorate with two full coats of Zinsser Perma-White® Interior Matt, Satin or Semi-Gloss in accordance with the manufacturer’s instructions. Allow adequate drying time between coats. For exterior projects decorate with two full coats of AllCoat® Exterior Satin or Gloss in accordance with the manufacturer’s instructions. Allow a minimum of 1 hour between coats.