Our 18mm anthracite grey fascia boards are made from high quality PVC and are manufactured by UK market leader Freefoam .Available in sizes from 150mm to 250mm, pvc fascia board should be fixed using 2 x 65mm polytop nails at each rafter (maximum spacing 600mm for white and 400mm for all other colours).The return leg on the board is slightly rebated to accept a soffit board. The return leg measures 40mm overall from front to back as can be seen in the technical drawing tab.