Nick Cassas Roofing & Siding - serving Sullivan County since 1991. Is it time to transform the exterior of your home? More than just the look, we can make it better and more effective in the protection of your family. Roofing, siding and gutters, as well as replacement windows and doors our skilled, experienced pros do it all, including skylights, decks, screened porches and more. Tell us what you need and we'll get to work. For additional information, browse our website or call to arrange your free estimate today