CAN/CGSB-12.1-M90

This standard applies to glass, that has been tempered or combined with other materials to reduce the likelihood of injury to persons by objects projected from an exterior source or by glass fragments when the glass is cracked or broken. It specifies requirements for safety glass intended primarily for use in doors and adjacent glazed panels and is particularly applicable to glazed exterior/interior passageway doors, storm (combination) doors, patio doors, shower and bathtub doors and their enclosures.