This Spanish natural slate, named Passaro after the quarry it’s selected from, is a slate with an even surface and a no risk of discolouration. The pre-holed natural Spanish slate is a tough and durable natural material that can be installed on pitches as low as 25° in a moderately exposed location and 30° in a severely exposed location. Spanish natural slate has a smooth overall finish and a consistent thickness between 4-6mm which gives an even roof slope. Spanish natural slate samples are continuously tested at the quarry to ensure that it meets BS EN 12326-1 for roofing slate. Acceptable levels of carbon content and a smooth surface combine to make Spanish Passaro Grey natural slates a firm favourite from consistent, traditional and attractive roofs. Due to its quality and durability, this Passaro natural slate comes with a 50 year guarantee. Spanish Natural Slate Specification Slate Size: 500mm x 250mmSlates per m2: approximately 20xRoof Pitch: 25° - 90°Grade: First QualityQuarry: Passaro Spanish Natural Slate Delivery It’s strongly recommended that an extra 5% of quantity needed is ordered to offset any breakage in transport or installation. Spanish natural slate is delivered on a six-wheel tail-lift lorry that’s 11m x 2.4m so there are delivery restrictions in place. If the lorry is unable to access your site and off-load safely then an additional delivery charge will need to be made. Should you require a crane off-load or a smaller vehicle please notify us at the time of ordering as an additional delivery charge may be required.