An automatic door, also known as an auto door, is a door that opens automatically, usually on sensing the approach of a person.
What are automatic doors made of?
Automatic doors can have two wings, three wings, and four wings that are usually made of glass.
What is an automatic door release?
Approved document B, Fire Safety, Volume 2, Buildings other than dwellinghouses (2019 edition), defines an automatic release mechanism as: A device that normally holds a door open, but closes it automatically if any one of the following occurs.
Which sensor is used in automatic door opening system?
Most automatic gates nowadays use optical sensors or motion detectors, which are installed on the sides of the gate to trigger its opening and closing. As the name suggests, these sensors detect motion in front of the door. An antenna is installed on the gate header pointing in the outward and downward direction.
How much does an automatic door cost?
On average, an automatic door costs about $2,122.80 in the US in 2020, automatic door costs can range from $1,458.25 to $2,787.35. The cost will differ depending on the style of opener, its location, and any extras you may choose.
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.
What technology is commonly used for automatic glass doors?
The Optical Sensor
Automatic sliding doors use optical or motion detection sensors to activate their motorized opening and closing functions. These sensors are mounted over the automatic door or are integrated into the door framing from above or the side.