Steel structure double-layer aluminum foil aluminum foil centrifugal glass wool aluminum foil what role?
Outside the color plate is the first barrier, blocking the sun, rain, snow, and smooth exclusion
Laminated glass wool is from the sound insulation, insulation effect, aluminum foil is to glass wool into one, made of felting, square carpet, in order to facilitate the transport, on-site construction pavement.
The bottom of the color plate from the decorative effect, shielding purlins, pull and laminated glass wool cotton, unified and beautiful, and with the outer color plate and laminated glass wool cotton from the role of insulation