PVC windows A. Specification. Name: pvc double french door( hinged door) with grid 1. Frame: pvc profle with steel 2. Hardware: top quality hardware 3. Glazing: double glazing or single glazing 4. Color: white, or other color you required 5. Opening way: hinged B. Performance 1. Water tightness: 250, cn standard: gb7108-86-iii 2. Air tightness:
