i) A door closer is a device that is fixed onto a door, to close the door when it is opened.
ii) Some of the different types of door closers are :
• Overhead door closers
• Concealed door closers
• Surface-mounted door closers and
• Floor-spring door closers
iii) Overhead door closers:
These are the most common type of door closers.
The different types of overhead door closers include:
• Regular arm
• Top jamb and
• Parallel arm
iv) Concealed door closers:
Concealed door closers are fitted into the recesses of the door and frame.
Therefore, they are not visible.
Concealed door closers are ideal for interior doors.
v) Surface-mounted door closers:
These door closers are fitted to the door frame.
They are can be purchased in colors that match the color of the door.
vi) Floor-spring door closers:
Floor spring door closers have a bar inside the closer that is fitted to the bottom of the door which controls the closing action.
They are ideal for glass doors.
These door closers have an open setting as well, in case the door needs to be left open.
vii) Some of the advantages of installing door closers are
 It solves the problem of banging doors.
 Reduces energy bills by closing the door each time it is opened and thereby preventing the loss of heat or cooling.
 It protects the door from damage, when doors are prone to regular banging due to the wind or other factors.
 Door closers also provide fire safety because it prevents the inflow of air, thereby preventing the spread of fire.
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