When installing Polygal Multiwall Polycarbonate Sheets insure you follow the recommend installation instructions or consult with your local professional.
My generic twin wall has a clear wrap on one side and a white wrap on the other but it doesn't say which side it out. Which side should I face the sun for UV protection?
Buen día, es posible contactar un asesor para Colombia? Utilizamos mucho sus productos y a veces tenemos problemas para conseguir accesorios de instalación