Specmar inc (previously specialty marine contractors) is an aluminum boat design, lofting, and kt company. we have a large product line including aluminum drift boats. 14-ft aluminum v-hull boat features a natural aluminum exterior with a tan painted interior, all-welded hull seams, heavy-duty extruded center keel with two for. Stephen pollard aluminum designs. glen-l is proud to offer designs by stephen pollard for welded aluminum construction complete with cad files. stephen pollard is the.