Polyurethane Sandwich Panel

Roof panel:
length = 11.8 m
effecctive width = 1.75 m
up & bottom steel sheets
steel sheet thickness 0.5mm for both sheets
pu core thickness 75mm or 50mm
pu core density 45kg/ cubic meteter
color sea blue
qty required = 5000 sqm
wall panel:
length = negotiable