ASCOT GREY NATURAL PRIME SPANISH ROOF SLATE - 400 x 250mm 7/9mm (PRE HOLED)

ASCOT GREY NATURAL PRIME SPANISH SLATE - 400 x 250mm 7/9mm (PRE HOLED) Origin: Spain Colour: Light/Mid Grey Texture and Appearance: The Ascot Grey quarry is situated in one of the best and most prestigious areas for natural slate in North Western Spain. It is characteristically a beautiful light grey, pyrite free slate, which is smooth on the back with a textured surface. Quality: Prime Slates Thickness: 6-8mm and 7-9mm Sizes Available: The Ascot Grey is available in a variety of sizes, pre-holed, from: 400x250, 400x380mm Testing Results and Design Considerations: At ISS, we test all of our natural slates on a yearly basis as per UK requirements. There are many testing procedures performed on each slate to determine it’s quality and life expectancy. This particular slate is regularly tested to the following national standard: British and European Harmonised Standard BS EN 12326-1 2014 • Exhibited the top Class A1/W1 for water absorption •