Quantcast Table 2-1. Comparative Decay Resistance of the Heartwood of Some Common Species

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TABLE 2-1
Comparative Decay Resistance of the Heartwood of Some Common Species
Resistant or
Moderately
Slight or
Very Resistant
Resistant
No Resistance
Catalpa
Baldcypress
Alder
Cedars
Douglas-fir
Ashes
Cherry, Black
Honeylocust
Aspens
Chestnut
Larch, western
Basswood
Cypress, Arizona
Oak, swamp chestnut
Beech
Pine, eastern white
Birches
Locust, blacks3
Pine, longleaf
Buckeye
Mulberry, red3
Pine, slash
Butternut
Oak, bur
Tamarack
Cottonwood
Oak, chestnut
Elms
Oak, Gambel
Hackberry
Oak, Oregon white
Hemlocks
Oak, post
Hickories
Oak, white
Magnolia
Osage-orange3
Maples
Redwood
Oak (red and
Sassafras
black species)
Walnut, black
Pines (most
Yew, Pacific3
other species)
Poplar
Spruces
Sweetgum
Sycamore
Willows
Yellow-poplar
The southern and eastern pines and baldcypress are now largely second growth with a large
proportion of sapwood. Consequently, substantial quantities of heartwood lumber from
these species are not available.
These species have higher decay resistance than most of the other woods in their categories.
3
These woods have exceptionally high decay resistance.
2-15





 


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