Superior ICF, Building Materials, Training & Service. Wall Tech Products LLC is the Master Distributor of BuildBlock Insulating Concrete Forms for the state of Michigan. Our corporate location in Harbor Springs houses our office personnel along with a great showroom displaying all the products we provide. This location also has two warehouses along with a satellite location in Traverse City that carry our BuildBlock ICFs and other products. Wall Tech can provide assistance with energy guarantees, design, financing, tax credits, and training for you or your General Contractor along with onsite training for foundations, full ICF homes, and commercial projects. We strive to provide you with the very best in ICF materials, accessories, customer service, and support. Call us for a material quote or if you have any questions about our products or services. Enjoy viewing the rest of our site.