ENGINEERED EXCELLENCE FOR CUSTOMIZED OUTDOOR LIVING SPACES. Headquartered in Dahlonega, Georgia, Wahoo Building Products is a leading manufacturer of aluminum decking surfaces and drainage systems for exterior decks, balconies, and low-slope roofs. Wahoo Decks products are engineered for ease of installation and design flexibility. In addition to aluminum decking and deck drainage systems, Wahoo Decks offers a complete line of aluminum railing.