How to Paint Bitumen and Asphalt

All surfaces must be clean, dry and free from anything that 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%.

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.

Remove all visible signs of organic growth and treat interior areas with Zinsser Mould Killer in accordance with the manufacturer’s instructions. Treat exterior mould with a proprietary mould killer and remover in accordance with manufacturers instructions. Allow to dry.

Prime all interior areas with one full coat of Zinsser Bulls Eye 1-2-3 or B-I-N AQUA in accordance with the manufacturer’s instructions and drying times.

Severe stains may require a further coat, allow two hours between coats.

Decorate with two full coats of Zinsser PermaWhite 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 in accordance with the manufacturer’s instructions. Allow a minimum of 1 hour between coats.