How do you determine the quality of a paint roller cover?

To determine the quality of a paint roller cover, consider the material and nap length. High-quality covers are typically made from synthetic fibers or natural materials like lambswool, offering better paint pickup and release. Additionally, a higher nap length is suitable for textured surfaces, while shorter naps are ideal for smooth finishes. Check for a tightly woven fabric and durable construction to ensure longevity and consistent performance.