Fiberglass cloth special for outside wall heat preservation ismade form neuter alkali or non-alkali fiberglass, then alkali-proofcoated . its characteristic is high intention . alkali-proof well,its function is to avoid split ,it is important in heatpreservation system.for it is good in acid-proof, alkali-proof andhigh anti-draught ability that can symmetrical dispersing stressthat the heat preservation system of putside wall endured, whichcan avoid distortion of heat preservation structure for someoutside impulsive forces, its convenient to control in constructand quality, its function is very important in heat preservation tocontrol in construct and quality , its funcation is very importantin heat in heat preservation system.