Norton PSA Rolls are a great way to fine sand coatings on a wood floor. PSA Rolls are made of aluminum oxide in different grits. The Norton PSA Roll grits that are available are: 100g, 120g, 150g, 180g, 220g, 240g.
What Are PSA Sanding Rolls For?
These rolls are for inter-coat abrasion, or repairs. You will find that these rolls come in handy and are simple to use on all jobs. The scratch pattern is unique as it is non-existent. Unlike a screen these do not really scratch in a circle motion, the grains are too small and less coarse.