For best results plastic trim corners should cut using a fine-toothed saw. The finer the teeth, the smoother the cut. Cutting slowly helps reduce the risk of chipping.
Plastic trims, such as angle trims or flat strips, are made from external grade rigid PVC and have a fixed shape. To achieve a clean result when cutting corners, it’s best to use a fine-toothed saw. The finer the teeth, the smoother the cut. Always secure the trim properly before cutting, and use steady, controlled motion. For very thin profiles, a fine-toothed handsaw or hacksaw could be considered.