ISO 8273:1985

Applies to extenal and internal elements in ordinary buildings and houses, but do not apply to doors and doorsets in rooms with special atmospheres (such as doors to freezing rooms,etc.). The effect of humidity and/or temperature on the material as well as insufficient hygrothermal stability with respect to air penetration, sound insulation and operating force are measured and the change in the shape and dimensions determined. Four climate categories are specified.