Broken bridge aluminum has good thermal insulation performance. The inner and outer borders of the thermal insulation profile are flexibly combined, and the borders are in the form of one rubber strip, two wool strips and three seals, which are tightly sealed, excellent in air tightness and water tightness and excellent in thermal insulation performance.
The window sash is made of hollow glass? This structure makes the window really show excellent sound insulation, heat insulation, heat preservation and function, and saves a lot of heating and cooling expenses. The heat transfer coefficient k is below 2.23-2.94 W/m2 k, and the energy saving effect is remarkable. The cost of energy saving for several years is enough to make up for the previous investment.
Classification method:
1. It is divided into fixed window, upper hanging window, middle hanging window, lower hanging window, vertical rotating window, casement window, pulley casement window, flat hanging window, sliding door, sliding casement window, folding door, floor spring door, lifting sliding door, sliding folding door and inward sliding door.
2. According to the performance, it is divided into ordinary doors and windows, soundproof doors and windows, and thermal insulation doors and windows.
3. According to the application position, it is divided into: internal doors and windows, external doors and windows.
4. Classification by series model: 50 series, 55 series, 60 series, etc. ?
Baidu encyclopedia-broken bridge aluminum window