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Field notes · May 20, 2025

Reading a pallet like a document: stamps, brands and what they tell you

Pallets carry more written information than most people realise. Here is how to read the marks on the one under your desk.

Dev Castellanos — Lead grader 7 min · 384 words
A box trailer loaded floor to ceiling with stacked pallets, doors open at the dockField notes
Outbound load, paired trip

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Portland, OR · email only, no phone

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Start with the heat-treatment mark

The most informative mark is the IPPC stamp: a wheat symbol, a country code, a facility number and a treatment code. HT means heat treated. MB means methyl bromide fumigated, which is being phased out worldwide and which we never produce.

If you find an MB stamp on a pallet in your warehouse, it is legal to use but we would not recommend upcycling it into furniture or planters. There is no residue risk in ordinary handling, but there is no reason to choose it for a vegetable bed either.

Pool brands and what they mean legally

Some pallets belong to somebody. Rental pool operators own their pallets outright and mark them clearly — usually by colour and a prominent brand. Those pallets are not yours to sell, dismantle or use outside the pool, even if they arrived at your dock and nobody came back for them.

This catches people out. We will not buy marked rental-pool pallets, and any reputable yard will tell you the same. If you have accumulated them, contact the pool operator; they generally arrange collection.

Euro and EPAL brands

On a compliant Euro pallet, the left outer block carries a railway or EPAL oval, the centre block carries the IPPC stamp, and the right block carries the EUR or EPAL mark with a licence number and production year.

A pallet of Euro dimensions with no brands is just a block pallet. It may be perfectly good, but it will not be accepted into an exchange pool, and it should not be priced as Euro stock.

Our own stamp

We burn a Passport ID into one stringer: PL, four characters, a check character. It links to the pallet's record — species, grade, cycles, repairs, carbon ledger. Anybody can look it up on our site.

We put it on a stringer rather than a deck board deliberately. Deck boards get replaced; stringers are the part of the pallet that persists through repair, which makes them the right place for identity.

What the absence of marks tells you

An unmarked pallet is almost always a domestic one-way pallet built by a local plant for a single customer. Nothing wrong with it. It simply has no export compliance, no pool ownership and no traceability.

If somebody offers you unmarked pallets as export-ready, that is the moment to ask for a treatment certificate. The answer to that question will tell you everything about the supplier.

Written by Dev Castellanos, Lead grader, at the yard on 3821 NW St Helens Rd. Published May 20, 2025.

  • #stamps
  • #ispm15
  • #identification

Vocabulary

Terms used on this page

Defined the way a yard uses them, not the way a standards document does.

Block pallet
A pallet supported by nine solid blocks rather than stringers, giving true four-way entry and better racked performance.
Bolster
A squared timber used to block and brace loads inside trailers and containers. We re-saw ours from retired stringers.
Chamfer
The bevelled edge on a bottom deck board that lets a pallet jack roll on without catching.
Companion stringer
A second timber nailed alongside a cracked stringer to span the damage and restore the load path.
Core
Low-grade pallet material bought for board and fibre recovery rather than resale.
Closed loop
A pallet population circulating between known points and returning. Cycle time, not consumption, governs pool size.
Deck board
The boards nailed across stringers or blocks forming the top and bottom surfaces of a pallet.
De-nailer
The machine that separates deck boards from stringers and removes fasteners before fibre recovery.

The full glossary, 36 terms

Process

How a request after reading this actually happens

No sales team, no discovery call, no CRM sequence. We have no telephone, so everything below happens in writing and stays searchable afterwards.

  • What we need: footprint, grade, count, ZIP, and how the pallet is handled.
  • Nice to have: a photo, your dock height, whether you run forklifts or jacks.
  • Not needed: a purchase order, an account, or a phone conversation.
  1. 01

    You send the form

    Every form on this site is the same form and reaches the same yard team. Required fields are validated as you type, so a mistyped ZIP or email is caught before anything is sent.

  2. 02

    We check today's stock

    Used pallet availability moves daily. You get a real count and a real date rather than a list price that was true last quarter.

  3. 03

    A written quote, within one business day

    Price per unit by grade, freight itemised separately, delivery window, and any honest reservations we have about the specification you asked for.

  4. 04

    Delivery, count, paperwork

    Signed count sheet on arrival, weight ticket where relevant, and a diversion certificate for anything we collect for recycling.

  • 14kpallets graded monthlytwo hand-grading lines
  • 1,100heat treated per dayISPM-15, chart recorded
  • 4.1M lbwood diverted last year68% reused whole
  • 0 lblandfilled in 2025weighed and reconciled

Questions

What people ask about working with the yard

What is the minimum order or pickup?

No hard minimum for collection at the yard — come and take four pallets on a Saturday morning if you like. For delivery it is 50 units inside Portland metro and 150 outside it, because the truck has to earn its diesel. Outside our 180-mile fleet radius we quote through partner yards and freight, with the lane itemised.

How fast can this happen?

Standard 48×40 Grade A and B stock: same day for pickup, next day for metro delivery. Block pallets one to three days. Custom builds five to nine business days; engineered runs two to three weeks. Heat treatment is same day for booked batches and 48 hours standard. Written quotes always come back within one business day.

Why is there no phone number anywhere?

Because verbal quotes get remembered differently by different people. Since 2018 every price, date and commitment we make exists in an email you can search and forward. Most customers dislike it for about a month and then prefer it. Everything else happens in person at 3821 NW St Helens Rd, Portland, OR 97210.

Can I inspect before committing?

Please do. Visit the yard by email arrangement — closed-toe boots required, hi-vis provided — or ask for photographs of the actual pool your order would come from. We would rather lose an order than have a customer discover a surprise on their dock.

What documentation comes with it?

A written quote, a signed count sheet by grade, a weight ticket where material is weighed, heat-treatment certificates for treated batches (archived seven years), and a monthly diversion certificate for anything we collect for recycling — measured pounds kept out of landfill, which is the figure your ESG report actually needs.

What will you refuse to do?

Take methyl-bromide fumigated, chemically contaminated or fire-damaged wood. Buy marked rental-pool pallets, which belong to their operator. Promise same-day delivery outside the metro. Or quote a grade we do not think will survive your handling — we will specify downward and explain why.

Decision table

Five ways to get a pallet, compared honestly

Including the two we do not sell. Cost index is against a new wooden pallet of the same footprint.

Indicative figures for a 48×40 footprint in the Pacific Northwest, 2026. Rental pool economics vary by contract and are deliberately shown as a range.
OptionCost indexTripsRepairableCarbon per useBest forWatch out for
Grade A recycled45–559–14 then repairYes3.1 kgAlmost everythingColour varies; tare varies by a few pounds
Grade B recycled30–407–11 then repairYes3.1 kgOne-way, floor stacking, closed loopsLower racked rating (1,500 lb)
Remanufactured25–355–8Yes4.8 kgOne-way on a budgetVisibly mixed boards; 1,200 lb racked
New wooden10015–20 then repairYes14.2 kgTight tolerances, audits, odd sizesPays for appearance you may not need
Plastic500–1,00030–100NoHigh embodied, low per-useWash-down, deep freeze, pharmaCracks end its life; not repairable
Rental poolPer-trip feeManagedBy operatorOperator's figureExchange networks, retail mandatesPallets are not yours; losses are chargeable

We sell the first four and supply plastic where a wash-down line genuinely needs it. We do not operate a rental pool, and we will not buy marked pool pallets from you — they belong to their operator. Full comparisons

Diagnostics

Read the damage, fix the cause

Damage patterns are not random. Each one points at a specific handling behaviour, and fixing the behaviour is worth more than fixing the pallets.

What you seeWhat it almost always meansWhat to changeCost to fix
Split lead boards at one endForks driven in too fast and too highOperator training; dock lighting. Usually one shift is responsibleFree
Torn stringer notchesPallet jacks entering notched stringers at an angleSpecify block pallets with true four-way entrySpec change
Bottom boards ripped off cleanlyPallets dragged rather than lifted, or frozen to a cold-store floorFloor condition, forklift capacity at peakLow
Crushed corner blocksStacks higher than the rating, or uneven loads on one cornerStack-height policy; centre the loadFree
Out of square, nothing brokenRacking loading pallets diagonally — beams at different heightsRack survey. This one is worth chasingMedium
Mould in the middle of a stackWet pallets stacked tight with no airflowStore off the ground, cover the top, leave side gapsLow
Protruding nails tearing casesUngraded stock, or units repaired without re-checkingBuy graded; reject on the ticketFree
Deck boards cuppingMoisture cycling between a freezer and a humid dockKiln-dried pool; helical fastenersSpec change

Keep thirty of your own broken pallets aside for a month and photograph the damage. Patterns appear quickly. We do this analysis free with any repair quote, because a customer whose damage rate halves buys from us for a decade.

Next step

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