All species / Sassafras
Rustic furniture, boxes, boatbuilding and paneling; light, aromatic and weather-resistant.
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.
Longest span that stays at or under the 0.02 in/ft long-term standard, floating ends, load spread evenly:
| Shelf | 15 lb/ft | 25 lb/ft | 35 lb/ft |
|---|---|---|---|
| 3/4 in thick, 11 in deep | 30 in | 26 in | 23 in |
| 1 in thick, 11 in deep | 41 in | 34 in | 31 in |
Full options — edging strips, fixed ends, centered loads — in the Shelf Sag Calculator.