Jahnke Construction builders of quality post frame structures. Post frame structures are sometimes referred to as pole barns and pole buildings.  We specialize in FABRAL metal walls, FABRAL metal roofs, FABRAL solar systems and radiant floor heat.  We are members of the National Frame Builders Association Inc. We are a family owned business for over 32 years and operated by David and Laurie Jahnke.  We service Athens, Edgar, Marathon, Merrill, Mosinee, Wausau and throughout Central Wisconsin.