'CALIDAD 80' SPANISH ROOF SLATES HEAVIES - 400 x 300mm 7/9mm (NOT HOLED)

Sourced from Quiroga, Northern Spain, the Calidad 80 slate is a great choice for those looking for functionality and a great appearance. The Calidad 80 slates have almost no visible pyrite to give a great finish and ensure stability throughout the slate. With its attractive blue-grey colour and ease of grading, this slate gives a pleasing look and easy installation. Specification Highest possible classification when tested to BS EN 12326: T1, A1 and S1 Sizes available: 40×37, 40×25, 40×22 & 40×20