European building and finishing materials on Staten Island and in South Carolina Tired of running around hardware stores where no one can advise you on quality? At DF Studio on Staten Island and in Conway (SC), we focus on the essentials: top-tier European windows, indestructible Worthouse metal roofs, and construction chemicals that never fail. Whether you are a general contractor looking for a reliable supplier or a homeowner in Greenpoint or Staten Island planning the renovation of a lifetime – you will get premium-class goods from us. Why work with us? A showroom that opens your eyes: See how sliding windows work and what real modular metal roofing looks like in person before you spend a dollar. For pros and investors: We serve large contracting companies and individual clients – we know the specifics of New York renovations. Comprehensive service: From concrete chemicals to roofs, and even flooring with installation (thanks to our company, David Flooring). Visit our showroom at 243 Grandview Ave on Staten Island or call for a material quote: 347-801-2855.