Self-closing door mechanisms

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.

NITTO NSC Sliding Door Closer 10-60kg - (Hold Open and Damper)

Automatic Diy Door Closer With a Bottle : 4 Steps - Instructables

After deadly Bronx fire, will NYC's self-closing door law be better enforced? - City & State New York

Self Closing Mechanism – Scrigno

Soft and self closing mechanism for doors, DDA 140/240, for hinged wooden and glass doors in the indoor area

4-inch Matte Black Door Hinges with Self Closing Mechanism

Antique Brass Semi-Concealed Hinge, Self Closing - Decorative Hinges - Kitchen & Bath

The History of Door Closers

Spring Door Closer, Self Closing Door Mechanism Weight 15 to 30KG

Häfele 373.69.799 Soft-Closing Mechanism for Maxi Flap Fittings