Whilst it is true we believe asphalt shingles are the best value roofing product on the market, we also understand that natural slate is the ultimate roofing product. More than ever, high income earners and savvy investors are spending more on their homes, choosing the best quality products to create long lasting and beautiful homes. ASI Roofing can supply and install natural slate roofing for your next project and will take the time to ensure the quality of installation meets the natural beauty of the product.