How to renovate the plastic-steel window The white plastic-steel window is old and yellow.

The method of renovating white plastic-steel windows is as follows:

1, cleaning of plastic steel doors and windows, rinse with warm water first, and then wipe with a wet cloth dipped in a little alcohol, the glass of plastic steel doors and windows will be particularly bright.

2. Wipe with a slightly damp old newspaper. When wiping, it is best to wipe vertically and horizontally, so that it is easy to find the missing places.

3. Drop some kerosene on the glass of plastic steel doors and windows or dry it with chalk dust and gypsum powder dipped in water, and wipe it with clean cloth or cotton. The glass is clean and bright.

4. Dissolve the tooth powder in water, use this solution to wipe the glass side of the plastic steel door and window, dry it with a cloth, and finally wipe it with a crumpled newspaper. Add a little ammonia water (10: 1) to the water, scrub the glass, and finally wipe it with a dry cloth and wrinkled newspaper.

5. There is paint or dirt on the glass of plastic steel doors and windows. You can put some vinegar on it and wipe it with a clean cloth after soaking. If the glass of plastic steel doors and windows is black, it can be wiped with fine cloth and toothpaste, which can make the glass clean again.

Matters needing attention in purchasing plastic-steel windows:

1, select the profile. Considering that most houses have large windows (such as balcony sealing) and many high-rise buildings, the wall thickness of profiles should be greater than 2.5 mm, and the inner cavity is of three-cavity structure, with closed drainage cavity, isolation cavity and reinforcement cavity to ensure that the windows will not be deformed for decades. In addition, such profiles are not easy to change color and age.

2. Observe the plastic steel. Surface smoothness of doors and windows, whether there are obvious scratches, whether there are cracks at welding corners, whether the corners are beautiful and uniform, etc.

3. Hardware should try to choose accessories with good performance and flexible opening and closing.

High-quality plastic steel doors and windows should be combined with advanced window design to benefit residents for life. For example, in a house with high outdoor noise, it is best to choose plastic-steel windows and insulating glass, which has excellent sealing and sound insulation effect. A window is a part of a building, and it should have the same life as a building. Choosing a good door and window is also a good guarantee for the quality of home.

The above contents refer to Baidu Encyclopedia-Plastic Steel Window.