An 80 gsm (grams per square meter) fiberglass mesh roll typically consists of several layers of fiberglass strands or yarns woven together to form a mesh pattern. Here's what you can generally expect in terms of content:1. **Fiberglass Yarns or Strands**: These are the main component of the mesh. They are usually made of glass fibers that are spun into yarns or strands. These fibers provide the mesh with its strength and durability. The thickne ... Continue