Accepted as a substitute for Welsh slate by English Heritage and Heritage Scotland, Del Carmen slates are between 4mm to 5mm thick and have exclusive, rust-free supplier warranties. With high consistency and quality, as shown by the certification for use in Snowdonia National Park, they are ultra-grade slates drawn from a single uniform slate vein at the Del Carmen quarry in Spain.

Brand Name	SSQ
Colour	Blue/Black
Material	Natural Slate
Code	SSQ-DEL-CARMEN-ULTRA-GRADE-SPN-SLATE-BB
Quality	Ultra Grade
Minimum Pitch	22.5 Degrees
Maximum Pitch	90 Degrees
Size	500mm x 250mm 500mm x 375mm