Professional Resources — edge sanding

Edge sanding is the part of a floor sanding job most likely to show its mistakes after coating. Halo marks — the visible circular shadow around the perimeter of a floor — and swirl patterns from the edger disc are two of the most common complaints after a coat goes on. Both are preventable with the right technique and abrasive sequence. Why Edges Are Different The edge of a floor gets treated differently to the field in almost every way — different machine, different scratch pattern, different grit sequence, different operator pressure and speed. The result is a zone that...