If you're describing what I think you are its probably the weather stripping. Its at least some kind of whether barrier to provide a seal against the elements.
There are all kinds of purpose made door openers. Even a rubber or wooden triangular block would do.
A wooden door is wood. and a sleel door is steel
Refrigerator door works with the help of magnets which are attached behind the rubber seal on the door which attracts to close the door and doesn't open without any force Maheshwari - VI - Sri Aurobindo International School, Hyderabad
it depends if you have a wooden door or a glass door. if you have a wooden door, then you can't do much about it, but if you have a glass door, then just install double glazed windows.
weather stripping
door hinges attached to door and hinge post
To fix a wooden door that is not closing properly, you can try tightening the hinges, sanding down any areas that are sticking, or adjusting the latch or strike plate. If these steps do not work, you may need to replace the hinges or call a professional for further assistance.
DOOR, DOOR HANDLE, DOOR RUBBER, DOOR WINDOW
Wooden is not an adverb, a word that modifies verbs, adjectives, and other adverb. Wooden is an adjective, a word that describes a noun.Example: a wooden door
try spray on rubber
The door in the room is a wooden door with a brass doorknob and a small peephole.
The cost of a wooden door really depends on what kind of door you need. The price of a plain wooden door with no hardware would start at around $75.00. Fancier designs and doors including the hardware can be much more expensive.