... . it is a high quality , widely used and irreplaceable construction material suitable for strengthening walls , stones, plasters, asphalts and cement ... good adhesion , the products are a kond of construction materials used to prevent crevices of the ceilings and walls ... material in constructionspecifications: 4*4mm 4*5mm, 5*5mmlength:20m, 30m,45m,50m,90m,150mwidth:1M fiberglass mesh for construction