With certifications from the Masonry Contractors Association of America, the Masonry Heater Association and Jahn Restoration Mortar Application, DZM applies proven industry standards and product specifications to each project. DZM maintains a worldwide network of industry experts to remain educated on the best of building and restoration techniques available to the industry today

DZM Masonry was founded in 2005 – since then, we have completed projects in Indiana and many surrounding states. We currently have projects scheduled in Pennslyvania, Kansas and South Carolina. We have built Heaters in Japan, and travel to Guatamala annually for Masons on a Mission.

David Zeltwanger Masonry focuses on building masonry heaters and wood fired ovens. Additionally, there is a concerted dedication to sympathetic restoration of masonry structures and chimneys. DZM applies the principles of craftsmanship and thoughtful design when completing masonry projects. DZM maintains a client centered approach to every project and thrives on solving difficult masonry challenges. Finally, educating customers and other masons has become an integral focus of the business. Demand for competent, qualified Masons exceeds supply and DZM offers Consulting