- Q: What is the advantage of twin-wall PC sheet compared with solid PC sheet?
A: Twin-wall hollow structure brings much better heat insulation and lighter weight, lower cost while keeping good light transmission and impact resistance.
- Q: Will the clear PC hollow sheet turn yellow after outdoor exposure?
A: Our sheets adopt co-extruded UV protective layer on surface, anti-yellowing performance lasts over 10 years under direct sunlight.
- Q: Is this sheet hail resistant? Can it withstand heavy impact?
A: Yes, polycarbonate material has outstanding impact strength, it can resist hail hits and hard object collision without cracking.
- Q: Can I cut or bend the twin-wall PC sheet on site?
A: Absolutely, it can be cut with saw or CNC cutter, cold bending is available for curved roof design.
- Q: What light transmittance can the clear twin-wall polycarbonate sheet reach?
A: The transparent version reaches 75%~82% light transmittance, enough lighting for greenhouse and skylight projects.
- Q: What colors are available for twin-wall polycarbonate sheet?
A: Clear, frosted translucent, blue, green, bronze smoke, white opaque are standard options, custom color orders are acceptable.
- Q: What thickness specifications do you have for twin-wall polycarbonate sheet?
A: Common thickness 4mm,6mm,8mm,10mm, other custom thickness can be produced as request.
- Q: Is the PC hollow sheet fire retardant?
A: The raw material reaches UL94 V2 flame retardant grade, it will self-extinguish after leaving fire source, no dripping burning fragments.
- Q: Can you customize length and width according to project size?
A: We provide free custom cutting service, any length within 12 meters can be produced directly without splicing.
- Q: What accessories do I need to install the PC hollow sheet roof?
A: We supply matching aluminum profiles, waterproof rubber gaskets, expansion screws and end sealing tape for full installation sets.