By A Mystery Man Writer
Certain devices and technologies are available to ensure that doors automatically close themselves, either for security's sake or to help control accidental heat loss or gain.
Rocket Pocket Door Self Closing Mechanism
AUTO HINGES - Chirakekaren Glass House Pvt. Ltd
Door Closers
ConcealX Self Closing Mechanism For Single Leaf Pivot Doors
Soft and self closing mechanism set, For soft and self closing mechanism on both sides
What Door Closer Do I Need?
After deadly Bronx fire, will NYC's self-closing door law be better enforced? - City & State New York
6 Series SLIDEback Sliding Door Closer (6SDC-693), Innovative Door & Window Hardware Solutions from Taiwan's Finest
How to Adjust a Hydraulic Door Closer - Dengarden
Self Closing Door Mechanism – Truflow Spray Booths (Australia) Pty Ltd
Door closer - Wikipedia