Oak heartwood is resistant to decay. It is also extremely resistant to preservative treatment, but the sapwood is moderately resistant. Oak wood is hard and heavy, has an average tortional, compressive strength and good characteristics for steam-bending. Southern White Oak tree grows faster with wide growth rings, usually stiffer and heavier.
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Oak wood has a white to light brown sapwood, while the heartwood color varies from light brown to dark brown. Oak wood has a uniform texture and straight grains. The wood is heavy, stiff, strong and durable. The wood from fast-growing trees with the larger trunk is usually heavier and more durable than that from slow-growing trees.