Roofing Slate extracted from Mineração Alto da Boa Vista in Brazil is the main source of black slate to the main exporting companies in Brazil. The quality of the slate extracted at Mineração Alto da Boa Vista, combined with the use of state-of-the-art equipment, operated by a highly trained team, guarantee products of excellent quality. Our direct relationships with our overseas Brazilian slate quarries provides our customers unparalled selection and pricing. Real Slate Roofing manages the entire delivery process according to our clients schedule.