The ASTM F2912 - 11 Standard Specification for Glazing and Glazing Systems Subject to Airblast Loadings, was published August 11. The specification covers exterior windows, glazed curtainwalls, glazing panels in doors and other glazed protective systems used in buildings that may be subjected to intentional or accidental explosions.The ASTM F2912 - 11 Standard Specification for Glazing and Glazing Systems Subject to Airblast Loadings, was published August 11. The specification covers exterior windows, glazed curtainwalls, glazing panels in doors and other glazed protective systems used in buildings that may be subjected to intentional or accidental explosions.