Low Cost Thermal Break folding door shop on China WDMA color:Black Grilles are suspended between the

Grilles are suspended between the panes of glass

Double or triple glass

Internal panel needs foamblock directly affect the plate strength

ROTO brand also can be used

Quality Guarantee

Low Cost Thermal Break folding door shop on China WDMA color:Black Grilles are suspended between theAluminum Bi Folding Door Profiles 1. 6063 T5 high quality thernal break aluminum profiles 2. 6063 T5 high quality non thermal break aluminum profiles 3. PVC UPVC profiles Glazing 1. Double toughened glass with gap filled with argon gas 2. Single toughened glass 3. Double toughened glass will PVB laminate Options: low e,tinted,reflective&frosted to meet different U value and SHGG Hardware 1. German brand: SIEGENIA,G U,ROTO 2. Australian brand: DORIC 3.