McDonald & Lappin Engineering

Over 40 years experience in Sheet Metal Fabrication, Ventilation and Box Section Fabrication. Established in 1969, McDonald and Lappin Engineering has developed a reputation for its expertise in Sheet Metal Fabrication, Box Section Fabrication, & Ventilation Systems. With CAD and pattern development software, we can provide an efficient and accurate transition from design to final manufacture for a wide variety of sheet metal fabrications.