... 4)size:5mm*5mm, 4mm*4mm, 3mm*3mm fiberglass mesh is woven by fiberglass yarn(e-glass or c-glass), then ... , stone, wall materials,roofing, bitumen, gypsum,waterpoof and so on, it is good materials for construction works. size:5mm*5mm, 4mm*4mm, 3mm ...