Natural wood products never die, they never stop moving. Changes in humidity cause swelling and shrinkage. Season check occurs as the moisture content becomes more uniform throughout. Exposure to Ultra Violet light can cause discoloration. And obviously wood must be protected from moisture.
Building beautiful, durable, and environmentally friendly structures requires everyone – home owners, architects, builders, and wood products manufactures---to use techniques and best practices developed over thousands of years to conceptualize, design, build, and maintain wood structures.
"Blemishes" or "imperfections" make natural wood products uniquely beautiful. Work with it!