Wallburg Mulch Sand & Gravel 8490 N Nc Hwy 109 Winston Salem, NC 27373 Phone : (336) 769-4042 Wallburg Mulch Sand & Gravel Business Category Wallburg Mulch Sand & Gravel 8490 N Nc Highway 109 Winston Salem, NC 27107 Phone : (336) 769-4042 Wallburg Mulch Sand & Gravel Business Category Garden Centers Sand & Gravel (Wholesale) Landscape Materials & Supplies Stone Natural Wholesale Stone Crushed Retail Concrete Aggregates (Wholesale) Mulch Peat & Moss Products Dimension Stone Crushed & broken stone