And now a page from our “Sunday Morning” Almanac: June 19th, 1931, 85 years ago today … the day the door opened to a whole new world of technology. For that was the day the Stanley Works company installed the world’s first automatic doors at Wilcox’s Pier Restaurant in West Haven, Connecticut.
Why do we have automatic doors?
Automatic doors effectively contribute to energy saving and reduce annual heating and cooling costs. Doors open only when activated and automatically close so to eliminate the doors being left open. They also prevent air-conditioning from escaping and outside air and dust from entering.
When did automatic doors become popular?
Using a mat actuator, the first automatic door was installed there in 1960. The first commercial automatic sliding doors appeared on the market the same year, establishing a new industry. Throughout the 1960s, automatic sliding doors became progressively more common.
How much does an automatic sliding door cost?
Automatic sliding door prices range from $1,000 to $3,500, depending on the size and style. Some manufacturers sell after-market products you can attach to existing panes. This costs $200 to $1,500.
What are automatic doors made of?
Automatic doors can have two wings, three wings, and four wings that are usually made of glass.
Are there automatic doors in France?
A wide range of automatic high-speed gates are assembled in France. These robust, reliable, automatic gates are chiefly installed in factories and other industrial complexes, in warehouses and other buildings that have to be draft-proof.
Why were doors smaller in the past?
Some older properties have lower doors. The reason is that people were marginally shorter in the 15th 16th century. Street levels and floor levels have risen over time. The old houses’ floors have been raised to match the external hight.