Fiberglass mesh used for external wall of buildings is equivalent of soft rebarIn this application Building Exterior fiberglass mesh plays the role of soft steel construction using alkali fiberglass insulation effect did not work needs to FIG alkaline fiberglass mesh outer coating (slurry) alkali-resistant fiberglass corrosion
Current thermal insulation materials are alkaline, and concrete is also alkaline. Do you hear about acidic concrete? So I think you would know the consequence.