exterior aluminium glass bifold door heavy duty 4m bi folding door on China WDMA on China WDMA color:Light Yellow OR adjust the voltage to

OR adjust the voltage to your country standard

What types of opening styles are available

we can provide free replacement service for you in 7 days

Bifolding door styles are all designated as a 3 digit number and these numbers depict what style of door it is

exterior aluminium glass bifold door heavy duty 4m bi folding door on China WDMA on China WDMA color:Light Yellow OR adjust the voltage toexterior aluminium glass bifold door heavy duty 4m bi folding door Product Description Company Information Packaging & Shipping Project Case Performance Performance Themal insulation 3. 0 U2. 0 W m2k 3~6 level Accusic performance 28db ~ 40db 2 ~ 4 level Water tightness 350~600Pa 4~8 level Air tightness 5. 5m3 (m2h) 5 level Wind load resistance 3. 0~ 4. 0 Kpa 5 ~ 7 level Charcteristics Profile Thickness 1. 2 ~ 3. 0mm Profile Depth Frame 45~155mm Vent