... -165g width:1-2m length:50m,100m Fiberglass meshGlass Fiber Mesh is woven by fiberglass yarn, then alkaline-resistant latex coated. ... stone, wall materials, roofing, gypsum and so on.Specifications:Mesh size:4 x 4mm, 165g/m25 x 5mm, 80g/m2 ... wall structure, reinforcement the GRC or other building materials products, as well as protection of surface for marble and granite. fiberglass reinforcement mesh