Polyballs: What are they, and how can they be prevented?
Polyballs are beads of finish that protrude from cracks in the floor when the moisture content (MC) of the wood rises, causing the cracks to close up. A polyball is a serious problem, as it can be smeared over the rest of the floor – potentially requiring screening or even recoating. Polyballs typically occur in […]
Continue reading →