This type of door was usually painted in a more subdued or lighter colour, with colourful, geometric, large glass designs being incorporated into their structure. For adequate insulation on exterior doors, the portholes are fitted with insulation glass. Similar to Art Deco, this type of door had familiar architectural elements including chrome hardware, curving forms, horizontal long lines and porthole windows. In the late 1930s, the Streamline Modern style became popular. The Art Deco style is characterised by geometric, bold shapes, lavish ornamentation and rich colours. The panel running parallel to the mid rail looks as though it. Another piece of decorative hardware resembling a door pull has been centered in the door's mid rail. The top panel has both a porthole window and a rosette, most likely to cover a bore hole that was made in the door at one time. There were two main styles of door that were popular during this era вЂ“ 'Streamline Moderne' and 'Art Deco'.Дuring the 1920s, Art Deco first emerged, however it really hit its peak during the following decade thanks to its new, fresh, decorative and modern look. This exterior four panel door has a large top vertical panel, a much smaller horizontal panel directly beneath the door's mid rail, and two smaller raised panels side by side near the bottom on the door. Many, however, had contrasting painted panels that would be paired with stylish cast iron door furniture. During the 20s and 30s, the traditional front door would usually be painted in a dark colour since as green or black.

Front door with porthole window