Slate Roof in Baltimore, Maryland of Amercia
Blue black slate roofs is for house of Mr. Hank Emilsson built in 2005, where locate at Stevensville, Maryland 21666, USA.
Blue black slate is unfading, non-weathering slate, it pass test ASTM Grade S1, BS EN12326 A1 T1 S1.
Blue black slate is suitble for roofs, hot selling in America slate market and UK slate market, the standard weight is light 6-8mm thickness, North American slate market usually like this thickness, popular size is 400×250 and 400x200mm.
Blue black slate also be supplied to UK, Ireland and Europe, quarry can produce a little quantity of 600×300, and some 500×250, 6-8mm thickness is standard for these countries.
Popular in North America and UK
Frozen resistant and cold weather
1-2 containers output each month
400×250, 400×200 are common size
6-8mm are common thickness