About us. Hammer Masonry LLC is a small business in Gowen, MI. We are professional, challenging and fast-paced. Our work environment includes. Growth opportunities. Safe work environment. Duties. Perform various masonry tasks such as bricklaying, blocklaying, and stone setting. Apply stucco, plaster, and drywall to surfaces as needed. Construct and repair wooden frameworks for buildings using frame carpentry techniques. Lay tiles and other decora...