Unified Windows System, Inc provides a full-service home improvement company that helps you with your stonework project in Hempstead. Stonework is used in home and business construction to add durability and good looks. we are able to work with the homeowner in all aspects of a project, including design and material selection.Stone patios, retaining walls, and accent pieces will enhance your property for many years when they are constructed properly. Stonework offers character to a landscape, whether it is a planter box or a 100’retaining wall. Dream beyond the ordinary now that the quality and choices of paver/block materials has significantly increased over the past few years.