GRPU™ Windows & Doors are new energy-efficient products.
- The frames are made of polyurethane composite or aluminum profile with polyurethane composite thermal break.
The frames have the polyurethane foam and vinyl grid option to optimize thermal efficiency.
- GRPU™ casements have the highest grade of air permeability according to the Chinese national GB standard. It will helps to reduce convective heat transfer.
- Adjustable blinds keep your house from being exposed to the sun.
Production of GRPU™ Windows & Doors is in an energy-saving and eco-friendly process.
- Wood is not needed. It`s friendly to forest resources.
- No burning: production process of polyurethane composite is smokeless.
- Production process of polyurethane composite consumes less electrical power.