Double Glass Waterproof Upvc Casement Window
PVC doors and windows performance, features:
1. Energy-saving insulation
Cavity steel profile multi-cavity structure, with good thermal insulation properties, heat transfer coefficient is very low, only steel lined 1 / 4.5, aluminum 1/8, its economic and social benefits are enormous.
Plastic doors and windows in the installation of all the gaps are equipped with rubber seals and tops, so the air tightness is much higher than aluminum alloy doors and windows.
Due to the unique multi-chamber structure of steel profiles, there are separate drainage chambers, both the frame and the fan can effectively drain the water.
4. Wind pressure
In a separate steel cavity, can be filled with 1.2-3mm thick steel lining, according to the local wind pressure value, building height, hole size, window design to choose the thickness of stiffeners and profiles series to ensure Building requirements for windows and doors.
5. Sound insulation
The steel profile itself has a good sound insulation e