... warm exterior walls and water-proof of building roofsl the wall reinforcement of cement, plastic asphalt, marble, mosaic and so onl ... size:4x4mm, 4x5mm,5x5mm,6x6mm,10x10mm,2.85x2.85mm,20x10mesh plain weave2.G/m2:75g/m2,90g/m2,100g/m2,120g ... roll,then 4rolls/carton.. alkali-resistant fiber glass mesh for wall