Information on Walnut Wood

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Information on Walnut Wood
Walnut wood is used for construction and furniture. (nostalgie image by cindy reymann from Fotolia.com)

Walnut wood--known for its grain variety, hardness, strength and colouring--is used for construction, furniture, aeroplane propellers and gunstocks. Walnut lumber is commercially available in a wide assortment of texture, quality and price range and is used extensively for residential, industrial and recreational projects.

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General Information

The sapwood (outermost, younger wood of a growing tree) of walnut tree is typically creamy white, while its heartwood (older, inner part of a tree) is dark brown with occasional black or purple streaks. Walnut wood develops a rich colour as it ages. Walnut trees are common to Arizona, Kansas, Texas, Oklahoma and Mexico.

Types

Many different types, qualities and grades of walnut wood is derived from different varieties of walnut trees, including Japanese walnut (Juglans cordiformis), Manchurian walnut (Juglans mandshurica), Persian walnut (Juglans regia), Argentine walnut (J. brasiliensis Dode), California black walnut (Juglans californica), Hinds' black walnut (Juglans hindsii), Texas walnut (Juglans microcarpa var. stewartii) and Peruvian walnut (Juglans neotropica).

Uses of Walnut Wood

Common walnut (Juglans regia), also called English walnut or Persian walnut, is the most common species for timber. It is a heavy, durable and close-grained wood that polishes and paints well. English walnut is used to make high-end furniture, veneer, mechanical crackers, hullers, woodenware, doors, cabinets, architectural woodwork and millwork, turner, flooring, musical instruments, doors, panelling and cabinets. White walnut (Juglans cinerea) is soft wood that is used to make church alters, curios, as fuel wood and a pulp wood product. The white walnut tree grows best in USDA Hardiness Zone. Italian walnut is a beautifully grained, fine-textured wood that is used to make fine furniture and delicate carvings. Turkish walnut is gnarled, knotted and twisted with coarse, curly grain. Its hardwood is used to make furniture and trim panels.

American Black Walnut Wood

The black walnut tree (Juglans nigra) is native to the United States and is prized for its strong, durable timber. Black walnut wood is shock resistant stable and heavy---weighing approximately 16.3 to 17.2 Kilogram per cubic foot. It polishes well, works easily with both hand and power tools and easily takes a range of finishes. This naturally dark wood is used extensively for flooring, interior trim decorative panels, high-quality furniture, architectural woodwork and musical instruments.

Maintenance and Care

Good quality walnut wood is durable and lasts years if it is properly taken care of. Long-term exposure to direct sunlight discolours most walnut wood furniture and floors. Dust mops with gentle cotton heads, vacuums and brooms trap grit and dust effectively. Neutral pH cleaners, wood polish and wood furniture protection liquids should be used on walnut wood furniture and panelling.

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