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Size guide · R-06

Pallet &
base types.

Nobody chooses a pallet base. It arrives under the tote and then becomes your problem — usually on a sanitary floor, at a border, or halfway through a return loop. Four options, and all four fail in different and predictable ways.

Short answer

Steel (35 – 42 lb) for chemical and industrial duty. Plastic HDPE (20 – 26 lb) for food, beverage and pharma — washable, no harbourage. Composite (28 – 34 lb) for mixed-use return loops. Hardwood GMA (40 – 52 lb) only for one-way trips. All on the 48 × 40 in footprint with four-way entry.
  • Wood needs ISPM-15 heat treatment for export; the others do not
  • Plastic cracks rather than bends and cannot be field-repaired
  • Steel can be welded back together on site
  • Base swaps during reconditioning add little labour cost

Specify a base

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Four bases

How each one actually fails

Galvanised steel

35 – 42 lb · 4-way

Strengths

  • Highest crush rating
  • Survives repeated forklift abuse
  • Cheapest to repair — it can be welded

Failure modes

  • Rusts at weld scars if stored outdoors
  • Not washable to food-plant standards
  • Heaviest option

The default for chemical, ag and industrial duty. If nobody specified, you have a steel base.

Injection-moulded plastic (HDPE)

20 – 26 lb · 4-way

Strengths

  • Fully washable, no harbourage points
  • Chemically inert
  • No rust, no splinters, no nails

Failure modes

  • Cracks rather than bends under impact
  • Cannot be repaired in the field
  • Softens near heat sources

Mandatory in most food, beverage and pharma plants. Ask for it by name.

Composite (steel frame, plastic deck)

28 – 34 lb · 4-way

Strengths

  • Steel strength with a washable deck
  • Good compromise for mixed-use fleets

Failure modes

  • More expensive
  • Deck-to-frame fasteners are a wear point

The right answer for a pool that moves between a chemical plant and a food plant.

Hardwood (48 × 40 GMA)

40 – 52 lb · 4-way notched

Strengths

  • Lowest unit cost
  • Field-repairable with a hammer

Failure modes

  • Absorbs product and water
  • ISPM-15 heat treatment needed for export
  • Fails fastest in a return loop

Fine for a one-way trip. A false economy for anything returnable.

Side by side

Everything in one table

Comparison of IBC pallet base types
Galvanised steelPlastic HDPECompositeHardwood GMA
Weight35 – 42 lb20 – 26 lb28 – 34 lb40 – 52 lb
Fork entry4-way4-way4-way4-way notched
Washable to sanitary standardNoYesDeck yes, frame partlyNo
Field repairableYes — weldableNoFasteners onlyYes — hammer and nails
ISPM-15 required for exportNoNoNoYes
Absorbs productNoNoNoYes
Behaviour under impactBendsCracksBends, deck may crackSplinters, splits
Turns before repair (our pool)~19~14~16~4
Turns before scrap (our pool)~34~22~27~7
Replacement cost$26 – $44$34 – $58$48 – $72$18 – $30
Cost per turn (scrap basis)$0.95$2.09$2.22$3.43

Short answer

The cost-per-turn row is the one that matters and the one nobody calculates. Hardwood is 3.6 times more expensive than steel per turn despite costing 40% less to buy — which is the clearest example of false economy in this entire industry.
  • Hardwood: lowest purchase price, highest cost per turn
  • Steel: cheapest over a return loop, unusable on a sanitary floor
  • Plastic: the only honest answer in a food plant
  • Composite: buy it when the fleet crosses both worlds

A detail people miss

A swollen wood base costs you your stack height

Hardwood absorbs water. A base that has spent a winter outdoors can gain 10 – 14 lb of moisture and swell enough to matter.

Half an inch of swell per base, two bases in a stack, and a two-high load of 330-gallon totes in a 53-foot van goes from four inches of clearance to three. On an uneven trailer floor that is the difference between a load that rides and a load that rubs the roof bows for eight hundred miles.

We have seen this exact failure three times, and all three were wooden bases that had been stored outside. It is also why we swap to steel or plastic on request during reconditioning — the labour is already being spent on disassembly, so the marginal cost is just the base.

The same moisture gain shows up on a scale. If you are working to a legal weight limit on a full trailer of 42 units, fourteen pounds per base is nearly 600 lb of water you did not budget for.

Questions

Base questions

Which IBC pallet base is best?

There is no single best. Steel for chemical and industrial duty where impact resistance matters and it can be welded in the field. Plastic for food, beverage and pharma, where washability is mandatory. Composite for mixed-use return loops. Wood only for one-way trips, where its low cost outweighs everything wrong with it.

Can I change the base on my totes?

Yes. Base swaps are routine during reconditioning and cost little extra in labour because the tote is already being disassembled. A plastic base is $34 – $58 and pays for itself the first time a food-plant auditor walks your receiving dock.

Why do food plants insist on plastic pallets?

Wood absorbs product and water, harbours bacteria in its grain and nail holes, and cannot be washed to a sanitary standard. Steel resists washing better but has weld seams and crevices that are also harbourage points. Injection-moulded HDPE has no absorbent surfaces and no crevices, so it can be washed down with the floor.

What is ISPM-15 and does it apply to me?

An international standard requiring wood packaging in international shipments to be heat-treated or fumigated and stamped. It applies to the wooden base of an IBC crossing a border. Steel, plastic and composite bases are exempt entirely, which is one more reason wood is a false economy on export freight.

Do wooden bases really fail faster?

Substantially. In our own pool a hardwood GMA base averages about four turns before it needs repair and seven before it is scrapped. A steel base averages nineteen turns before repair. Over a return loop the wood base is the most expensive option despite the lowest purchase price.

Keep reading

Swapping

Changing the base under containers you already own

A base swap is the cheapest meaningful upgrade available on a used tote, because the labour is already being spent during reconditioning.

Base swap costs and timing
SwapPart costLabourWhen it is worth it
Wood to steel$26 – $44Included during reconditioningAny return loop or outdoor use
Wood to plastic$34 – $58Included during reconditioningAny sanitary floor — effectively mandatory
Steel to plastic$34 – $58Included during reconditioningFleet moving into food or pharma service
Steel to composite$48 – $72Included during reconditioningFleet crossing sanitary and industrial sites
Like for like (damaged base)Band priceIncludedAny base with torn fixings or split deck
Standalone swap, no washBand price$12 – $20 per unitWhen the container does not need washing

The row worth noticing is the second. A plastic base on a food-plant container is not a preference, it is a condition of the floor it stands on — and it costs less than the freight on the unit.

Inspection

What ends a base, by material

Each material fails differently and each has one observation that is terminal. Knowing which saves you from repairing something that cannot be repaired.

Terminal faults by base material
MaterialRepairableTerminalHow to check
Galvanised steelBent rails, sheared fixings, surface rustTorn fixing holes, through-wall pittingTap suspect areas; a dead sound means pitting
Injection-moulded HDPENothing structuralAny crack through a load-bearing ribFlex it; cracks open under load
CompositeDeck fasteners, individual deck slatsFrame distortion, torn frame fixingsCheck deck-to-frame fasteners first
Hardwood GMASplit boards, loose nailsDelamination, rot at the stringerPress a screwdriver into the stringer end grain

Short answer

The common thread is the fixing points. Whatever the material, once there is nothing left to fasten the cage to, the base is finished — and a patch over a torn hole moves the failure rather than removing it.
  • Plastic bases cannot be repaired — they are replaced
  • Steel bases can be welded and usually should be
  • A rotten hardwood stringer is terminal, not a repair
  • Torn fixing holes end any base regardless of material

From the Yard Journal

Longer pieces from the people who run the wash line, the test bay and the trading desk.

Next move

Tell us the floor the tote lives on.

Sanitary food floor, chemical plant, jobsite gravel or export container. That single fact picks the base type, and getting it right costs about thirty dollars a unit.

Specify a base Back to the size guide