45 GSM fiberglass mesh has emerged as a critical material in modern construction and industrial applications, offering a unique balance of durability, flexibility, and cost-effectiveness. Unlike heavier mesh options (e.g., 100 GSM) or finer alternatives (e.g., 20 GSM), this specification balances tensile strength with lightweight properties, making it ideal for thermal insulation, crack resistance, and surface reinforcement. This article explores its technical specifications, real-world applications, sustainability features, and emerging trends, positioning it as a versatile solution for builders, architects, and engineers. What Is 45 GSM Fiberglass Mesh? 45 GSM (grams per square meter) fiberglass mesh is a woven fabric made from alkali-resistant glass fibers embedded in a polymer resin matrix. Designed for use in construction and industrial projects, it provides…