Fabric & Textiles Can cotton be waterproof? March 3, 2026 by Mercier | Leave a Comment No, cotton fabric is not inherently waterproof. While it can absorb moisture, it does not repel water. However, various treatments and fabric blends can make cotton or cotton-blend materials water-resistant or even waterproof. Can Cotton Be Waterproof? Understanding Fabric Properties Many people wonder if cotton fabric can truly be waterproof. The short answer is no, […] Read more ยป