sticky windows and doors can be a nightmare!
doors are supposed to open very easily, if someone knocks at your door then you want to open it quickly so that you can talk to them. sometimes though doors can become stuck for no apparent reason, it can take a lot of effort to open doors and windows, so why do they become stuck?
windows can become stuck for a number of different reasons. if you have wooden window frames then the wood can sell or contract depending on the weather and season. this can cause the window to become stiff to open.
the gap where the window is supposed to open has been 