All species / Eastern Redcedar

Eastern Redcedar (Juniperus virginiana)

Closet lining, chests and boxes; aromatic oils repel moths.

The data

Stiffness (modulus of elasticity)880,000 psi
Specific gravity (12% MC)0.47
Janka hardness900 lbf
Average dried weight33.0 lb/ft³
Shrinkage, radial (green → dry)3.1%
Shrinkage, tangential4.7%
Shrinkage, volumetric7.8%
Movement classVery stable

Stiffness & hardness: USDA Wood Handbook (Table 5-3 class data). Shrinkage: USDA Wood Handbook. Full sourcing notes are in our data documentation on the guides page — values print with their source so you can check us.

Shelf span guide — Eastern Redcedar

Longest span that stays at or under the 0.02 in/ft long-term standard, floating ends, load spread evenly:

Shelf15 lb/ft25 lb/ft35 lb/ft
3/4 in thick, 11 in deep28 in24 in21 in
1 in thick, 11 in deep38 in32 in28 in

Quick sag check — Eastern Redcedar

Full options — edging strips, fixed ends, centered loads — in the Shelf Sag Calculator.

Quick movement check — Eastern Redcedar

Full options in the Wood Movement Calculator.