Types of Closers:

• Surface Closers: Mounted on the surface of the door.  
• Concealed Closers: Hidden within the door for a cleaner aesthetic.
• Overhead Closers: Mounted above the door.  
• Floor Closers: Installed at the bottom of the door.

Functions:

• Automatic Closing: Closes the door after it's opened.  
• Controlled Closing: Prevents slamming and damage.  
• Energy Efficiency: Helps maintain indoor temperature by preventing drafts.  
• Security: Improves building security by ensuring doors are closed.  

Closers are essential in various settings, including residential, commercial, and industrial buildings. They contribute to a safer, more efficient, and comfortable environment.