How to Make a Basic Automatic Room Door Closer

Co-authored by Barry Zakar

Last Updated: September 8, 2024

Many times if you live in a hostel you might have experienced this problem that your friends enter your room and leave without closing the door and you have to walk up to the door every now and then to close and that is way too annoying. Here is a simple DIY guide to solve this problem. You can do this within a few minutes.

Steps

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See the list below.
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Guide the wire through the cap up to the knot and ensure that the knot doesn't pass through the hole. If it passes, then make a bigger knot.^{[1]
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Tie the spare end of the wire to the nail.
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Put the hanging wire and bottle setup over the pulley.
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To avoid it cut some thermocol pieces or eraser or sponge pieces according to the door rebate where the door hits and stops.

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Tips

You can use any weight instead of a bottle of water.

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Use a thick strong wire (like the one used for spiral binding).

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Warnings

Ensure that the bare part of wire doesn't come in contact with any other part except the pulley. Otherwise it will lead to wear of wire and eventually the wire would give away.

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Make sure that whatever you're doing is not in conflict with the policy of where you live

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Do not use stones as weight because it may hurt someone if it falls on their feet in case of failure.

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Ensure that the pulley is rotating freely on the clamp. This adds to the efficiency of the setup.

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You may have to change the thermocol pieces as they may get pressed in long run and won't be effective then

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