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Species Information /
Walnut, N. American |
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The Species: |
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Flooring Trade Name: N. American Walnut
Botanical Name:
Juglans, nigra
Lumber Name: Black Walnut, N. American
Walnut
Grows In:
North America
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Products Available in Walnut, N. American |
See
page below for a listing of all the products available in this
specie: Products
/ Walnut, N. American
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Description: |
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N. American Walnut is America's most prized
hardwood and is used extensively in fine
furniture. |
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Color Range & Color Change: |
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Color
Range:
N. American Walnut has a wide range of
color variability from a contrasting cream
colored sapwood to tan to medium brown to
chocolate brown heartwood. WFI offers a
select quartersawn grade which does not
include any of the cream colored sapwood.
Color
Change:
N. American Walnut exhibits a medium
high degree of color change with the dark
brown heartwood lightening over time to a
more golden brown with the muting of the
color variation found when freshly milled.
View WFI's
Color Properties Chart below to compare this specie with other
species:
WFI's
Color
Properties Chart View
WFI's N. American Walnut Photo Page for photos of the typical
color range
& change to be expected:
N.
American Walnut Photo Page
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Hardness: |
N.
American Walnut is only 80% as hard as red oak
(1010 on the Janka scale vs.1260 for red
oak).
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| For hardness comparisons
to additional species, please go to:
WFI's
Species
Hardness
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Where to Use: |
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American Walnut may be used residentially
wherever America's most prized furniture wood would
make a design statement. N. American Walnut is not
recommended for use commercially due to its softness.
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Special Characteristics /
Issues Specific to this Species: |
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Stability:
average, similar to Red Oak. For additional
information, see:
WFI's
Wood Properties Chart
on the WFI Downloads page.
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Finish Issues: (for site sanding/finishing only) -
none known at this time, see:
WFI's
Finish Recommendations on the WFI Downloads page
before commencing any site finishing.
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Safety/Allergic Reaction Issues:
N.
American Walnut has been known to cause both contact
dermatitis and respiratory allergic reactions so care
must be taken when coming into contact with N.
American Walnut dust. - see:
WFI's
Material Safety on
the WFI Downloads page for safety issues with wood dust.
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Other Characteristics/Issues specific to this species:
none known at this time - see
Feedback
/
Walnut
N. American on the WFI
Site Map to see what others have experienced with this
species.
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Technical Information: |
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Note: |
Additional Technical Information
on this species can be accessed from the links below:
U.S. Forest Products Laboratory -
N. American Walnut Only
U.S.
Forest Products Laboratory
- to access all species
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