Rub your hand more than the painted surface and look for a powdery gentle-coloured residue, the sure indicator of chalking. Pressure-washing will scour it off to make sure a good bonding floor for the new coat. Plain cleaning soap is just as superior at disinfecting your palms as about-the-counter antibacterial https://travistxcgk.digitollblog.com/29572611/detailed-notes-on-washing