Extech Building Mtrls

Extech's Custom Cut Stone Division makes stone reproductions, veneers, and custom-cut stonework. The business supplies building materials for commercial, residential, and infrastructure projects, with offerings that include block, brick, sand, and stone. Its commercial services include coordinating job-site deliveries and providing technical support for project material selection. Extech also supplies waterproofing systems and materials through a dedicated Waterproofing Annex. Gotham Metal Works, its custom metal fabrication shop, supports metal project design, fabrication, and installation for restoration and new construction. Product listings include construction tools and equipment, such as drills, grinders, laser levels, and demo hammers. The company serves professional contractors in the New York metro area and supports federal, state, and local infrastructure projects.