The aluminum alloy window of the balcony at home is broken, it can t be pulled, it can t be closed,

Use a neutral weather-resistant sealant.

Be neutral. Otherwise, it will smell weird. >>>More

Plastic steel profile refers to the PVC profile used for making doors and windows, which has appeared in Germany as early as the end of the fifties of the 20th century, and China began to introduce it in 1983 and began to be widely used at the end of the 90s of the 20th century. Because the strength of the doors and windows processed by PVC profiles is not enough, steel is usually added to the cavity to enhance the firmness of the doors and windows, so the plastic doors and windows made of steel inside the profile are usually called plastic steel doors and windows. With the widespread use of plastic steel doors and windows, the PVC profiles used to make plastic steel doors and windows are commonly called plastic steel profiles.

The aluminum alloy window frame has an iron sheet fixed on the brick wall with self-tapping screws, and then fixed with a plastering seal on the side of the window.

The segmented columns are connected with rose, cap nails.

The pulley spring pad inside the bottom is off or broken, remove it to see if it is not broken, and if it is broken, you can buy the same one in the place where you buy furniture accessories. Ask someone to repair it for 100 yuan.