uPVC 175mm Fascia Board (10mm Cappit Square Edged) 5m - Black Dimensions Length: 5m. Width: 175mm. Thickness: 10mm. Leg: 38mm overall. Material: uPVC. Guarantee: 10 years. Description The plain fascia system is a clean, modern style which includes the 10mm thick fascia board and a full range of accessories to ensure a neat and professional installation. The plain fascia system comes in a wide range of solid colours, woodgrain finishes and fascia widths.