What is short for exterior?

Short for exterior is commonly abbreviated as ext., EXT, or EXT. with period, used in many industries. In construction and architecture drawings, exterior is abbreviated as EXT or EXT., for example EXT WALL means exterior wall, EXT DOOR means exterior door, EXT PAINT means exterior paint, as opposed to INT for interior. In real estate listings, exterior is abbreviated as ext. as in ext. features. In automotive, exterior may be abbreviated as ext. as in ext. color. In business names, exterior may be abbreviated as Ext., as in ABC Ext. Services. Another short form is exter., but less common. In casual writing, people may write ext for exterior. So most common and widely recognized short form is EXT or ext., often with period, used in plans, notes, and specifications to denote outside, outer, or exterior work, as opposed to INT for interior. For example, contractor notes may say EXT SIDING to mean exterior siding, or EXT LIGHTING to mean exterior lighting. If you write quickly, ext. is accepted short for exterior.