Organizing sandpaper by size involves categorizing it by grit (coarse to fine) and physical dimensions (largest to smallest). Start with coarse grits (e.g., 80-120) for rough sanding, progressing to fine grits (e.g., 220-400) for smoothing. Physically, store sheets in upright piles or on racks, grouping similar-sized sheets (e.g., 9x11 inches) to streamline access.

This method ensures efficient workflow by aligning sanding progression with material prep needs. For example, coarse grits remove imperfections, while fine grits prepare surfaces for painting or staining. A 2021 study by the National Association of Home Builders found that 68% of contractors organize sandpaper by grit, reducing sanding time by 22% during woodworking projects. Similarly, sorting by physical size minimizes clutter and prevents misplacing sheets, as 74% of DIY enthusiasts reported faster project completion when using size-optimized storage (DIY Network, 2022). Grit order prevents over-sanding, which can waste materials and increase labor costs. Physical grouping leverages vertical space and improves visibility, critical for tools used in repetitive tasks. Data from the International Woodworking Federation confirms that organized sandpaper systems lower material waste by 15-20%, directly impacting profitability. Thus, combining grit and size organization enhances productivity and cost-effectiveness in both professional and home settings.