The mgo board with full certificate,recommend for such exterior applications:
a-The render system has insulation material laminated on outsite,great performance.
b-Underlayment for exterior decoration,such as tile,marble, aluminium composite panel,curtain wall,good performance..
c-In direct paint system,try to decrease moisture exchange as less as possible,good performance.
d-replace MDF or Gypsum board in exterior system,save a layer of water barrier,meanwhile increase waterproof and fireproof.
e-other exterior application,need to consult with mgo factory and paint factory