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Termite Resistant Wood


Summary: Learn the kind of lumber that is rated the most termite resistant wood. What kind of wood was used in the construction of your home?

Douglas fir, hemlock, and spruce are the most common types of wood used for structural lumber. Of these materials, Douglas fir is moderately resistant to termites, whereas the other two are not.
 
Remember that wood which is not naturally resistant to termites can be treated to make it resistant to termites. Use only "exterior grade" pressure-treated timber for areas that are exposed to weather; otherwise the chemical in the lumber may leach from the wood. Topical treatments, particularly borates that will be exposed to weather, also must have a sealer coat to stop leaching into the ground following rain. Wood rot will attract termites.

Moderately or very resistant

Moderately resistant

Slightly resistant or nonresistant

Arizona cypress

bald cypress (young growth)

alder

bald cypress (old growth)

Douglas fir

ashes

black cherry

eastern white pine

aspens

black locust

honey locust

basswood

black walnut

loblolly pine

beech

bur oak

longleaf pine

birches

catalpa

shortleaf pine

black oak

cedars

swamp chestnut oak

butternut

chestnut

tamarack

cottonwood

chestnut oak

western larch

elms

gambel oak

 

hemlocks

junipers

 

hickories

mesquite

 

maples

Oregon white oak

 

pines

osage orange

 

poplars

Pacific yew

 

red oak

post oak

 

spruces

red mulberry

 

true firs

redwood

 

 

sassafras

 

 

white oak

 

 



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