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Home > How To > How to paint over indoor graffiti

How to paint over indoor graffiti

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If not treated properly, graffiti can reappear through new paint work. This method explains how to permanently cover up graffiti stains.

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Steps

1. Surface Preparation

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 18%.
Remove all dust. 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 sound paint wash clean down with Zinsser Universal Cleaner & Degreaser to remove any contaminants. Rinse thoroughly with clean water to remove all residues. Allow to dry. Fill any cracks and small surface defects with a suitable filler as appropriate in accordance with the manufacturer’s instructions. Allow to dry. Rub down with a fine grade abrasive paper. Remove all dust.

2. Priming

Prime all areas of graffiti with one full coat of B-I-N® Primer Sealer in accordance with the manufacturer’s instructions. Allow a minimum drying time of 45 minutes in normal drying conditions.

3. Decoration

Decorate with two full coats of Perma-White® Interior Matt, Satin or Semi-Gloss in accordance with the manufacturer’s instructions. Allow a minimum drying time of two hours between coats.
Note: Graffiti can be water soluble or solvent soluble therefore some areas may need a coat of Bulls Eye® 1-2-3 Primer Sealer if graffiti bleeds through B-I-N® Primer Sealer.

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