Almost every pallet in the eastern United States is built from one of two things: southern yellow pine, or a mixed bag of Appalachian hardwoods — oak, poplar, maple, gum, whatever the regional mills are cutting. Buyers often assume hardwood is the premium option. It is more accurate to say they are different tools.
Southern yellow pine
A softwood, grown fast on plantations across the south-east, harvested young, abundant and cheap. It is light, which matters more than people expect: on a weight-limited lane, every pound of platform is a pound of product you cannot ship. A pine 48×40 runs roughly 33 to 38 pounds against 40 to 48 for hardwood.
It is also dimensionally stable once dried and takes treatment well. Where it loses is stiffness and nail holding. Pine is softer, so fasteners can work loose over many handling cycles, and the boards deflect more over a given span.
Appalachian mixed hardwood
Denser, stiffer, substantially better at holding a stem-threaded nail. For racked loads, long spans and heavy point loads, hardwood is frequently the honest answer — the deflection difference is not marginal. It also survives more handling cycles before the joints loosen, which matters in a closed-loop programme where the same platform comes back thirty times.
Against it: weight, cost, and far more variability. "Mixed hardwood" genuinely means mixed, and a load may contain four species with different densities and different moisture behaviour. If you need consistency more than performance, that variability is a cost.
The practical decision table
- Weight-limited lane, light product, one-way shipment → pine, almost always.
- Racked storage, unsupported spans, dense product → hardwood, or pine with a fourth stringer.
- Closed loop with many handling cycles → hardwood holds up longer and the extra cost amortises.
- Export where the platform will not return → pine. Do not send good hardwood to a destination that will never give it back.
- Cosmetic or customer-facing → pine is more uniform in colour, which matters if the pallet is part of the merchandising.
What you actually get from us
Recycled stock is mixed by definition — a trailer load of recovered 48×40 will contain both, because the pool contains both. If your application genuinely needs one or the other, say so and we sort to it, which costs a little more and takes a little longer. For new builds you choose, and we source from mills inside a day's drive either way.
The thing nobody mentions
Hardwood pallets are often heavier not because the species is denser but because they were built to a heavier spec in the first place — thicker boards, four stringers. People attribute to the wood what actually belongs to the drawing. If you are comparing two platforms, compare the board dimensions before you compare the species.
The numbers, side by side
Indicative figures for a recycled 48 × 40 GMA platform in our market. Treat them as relationships rather than specifications, because board thickness varies more than species does.
- Weight: southern yellow pine 33–38 lb; Appalachian mixed hardwood 40–48 lb. Oak at the top of that range.
- Stiffness: hardwood substantially higher. In a racked application this is the figure that matters, because deflection is a stiffness problem rather than a strength problem.
- Nail withdrawal resistance: hardwood markedly better. A stem-threaded fastener in oak holds its joint through far more handling cycles than the same fastener in pine.
- Cost: pine cheaper, and more reliably available, because the plantation supply is enormous and geared to construction demand.
- Consistency: pine far more uniform. "Mixed hardwood" genuinely means mixed, with four species of different density in one load.
- Treatment behaviour: both treat fine to ISPM-15. Dense hardwood takes longer to bring to 56 °C at the core, which is a chamber scheduling question rather than a compliance one.
The mistake people make when comparing them
They compare two platforms and attribute the difference to species when it belongs to the drawing. Hardwood pallets are frequently heavier because they were built to a heavier specification in the first place — thicker boards, four stringers, seven bottom boards — not because the wood itself is denser. If you are evaluating two samples, write down the board dimensions and the stringer count before you say a word about oak versus pine.
What you actually get in a recycled load
A mix, because the recovered pool is a mix. A trailer of reclaimed 48 × 40 will contain both species groups in whatever ratio the region happened to retire that month. If your application genuinely requires one or the other, say so and we sort to it — which costs more and takes longer, and is the right answer for racked storage or for a closed loop where you want maximum cycles out of each platform.
For everything else, the mix is fine, and insisting on species purity in reclaimed stock is one of the more expensive specifications a buyer can accidentally write.
Jonah, millwork · Pallets Recycle, 1113 Ingram Ave, Richmond VA · published March 12, 2024 · 822 words. Corrections welcome — tell us if we have this wrong.