Professional terminology for doors and windows
Professional terminology for doors and windows
Buy doors and windows, learn these professional terms, and merchants don't want to cheat you again
1. Doors and windows series. What is the 70/80/90 series that the businessman said? 80 refers to the width of the window frame of 80 mm. These series numbers of Thermal break aluminum doors and windows are divided according to the size of the window frame falling on the balcony.
2. Only the thickness of aluminum, the thickness of aluminum refers to the thickness of the aluminum profile. The new china national standard requires a budget of more than 1.8 mm and a low-rise floor can choose 1.4 to 1.8 mm. Don't choose anything smaller than 1.4, it is easy to deform and fall.
3. What does the glass of 5 plus 20A plus 5 refer to? It means that the distance of the hollow layer between the glass with a wall thickness of 5mm and the glass is 20mm, and the glass with a thickness of 5mm is the value of the double-layer insulating glass. If you understand these three professional terms, No one can cheat you again.