If you have spent a winter or summer in western Montana, you already know what this wood has survived. …High altitude Engelmann Spruce, the tree we brand as Montana Spruce, grows in that weather, not in spite of it. Montanafied Spruce siding takes that local Spruce and thermally modifies it here in Montana with heat and steam only. No chemicals. The result is exterior cladding that looks like a tropical hardwood, cedar, and redwood, performs like an engineered product, requires no maintenance if left unfinished, and has never left the state of Montana. This is why the species, the place, and the process belong together. …High elevation Montana Spruce is also prized by instrument makers who want tight ring spruce for soundboards. …The physics is the same, more rings per inch, more stable wood, less movement over time. Lower elevation, faster grown spruce can look similar but does not perform the same.