Praxair Welding Gas and Supply Store is located at 1757 Granby St NE, Roanoke, VA. This business specializes in Oil & Gas. Praxair Welding Gas and Supply Store is open Mon, 7:30am-4:30pm; Tue, 7:30am-4:30pm; Wed, 7:30am-4:30pm; Thu, 7:30am-4:30pm; Fri, 7:30am-4:30pm; Sat, Closed; Sun, Closed and accepts American Express, Cash, Mastercard, Personal Checks and Visa.