... quality 2, ligth weight, wall material 3, fast delivery, 10 years experience 4, 4x4, 5x5mesh Fiberglass meshDescriptionFiberglass mesh ... high fineness. Can be widely used for internal and external wall for thermal insulation, waterproof building, crack, etc.Alkali fiberglass mesh ... processed by alkali resistance liquid and high temperature.Specification1, mesh size: 5x5mm ,4x5mm or 4x4mm2, weight: 80g ...