The exterior wall characteristics inherent in most log structures represent a departure from some of
the conditions normally conducive to optimum wood finish performance. Best results are achieved on straight, uninterrupted, vertical surfaces as found in conventional sidings. Log home wall construction, on the other hand, can actually simulate an accelerated weathering test in
the paint laboratory. The curved outside upper portion of horizontal log work often presents a more or less 45° angle to the sky. This surface undergoes more intense direct sunlight, and water stands on it longer. Couple this with moisture incursion through the natural surface checking typical of heavy timber construction, and inevitably there will be accelerated coating wear and more frequent reapplication maintenance required.

NatureColor™ is unusually durable on log walls, but log homeowners should be aware of the difference between a wood finish and a wood preservative. A wood preservative intended primarily as a pre-treatment to help prevent wood decay fungi, and mold growths. The need for such a product depends upon prior preservative treatment, present fungi contamination and the geographical area of the log home construction. Problems relating to fungi, discoloring mold growths, etc., are more prevalent in subtropical, high humidity areas of the United States, such as Florida, and other Gulf Coast southeastern states. In these areas it is particularly important for log homeowners to minimize the moisture load on wall structures by utilizing good drainage and roof overhang, rain gutters, etc. A fungicide is present in NatureColor™, which is designed to combat the onset of decay fungi and mold/mildew/growth on clean, uncontaminated relatively dry wood.

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Nature One Acrylic