Pallet recycling, step by step
A recycled pallet is sorted, then repaired, rebuilt, taken apart for boards or ground up. Which of the four it gets depends on its size, grade and condition.
The route, step by step
Collect
The pallets come off the dock, yard or back lot. A few dozen or a trailer's worth, in a mix.
Sort
Each pallet is looked at for size, grade and condition and sent to a stack. This is the sort line. Grade A and Grade B stacks go back into use; Combo candidates and cores go on.
Repair
A cracked stringer gets a Plug or a Companion stringer, a split board gets a nail plate or a swapped board. The drawing above shows all three.
Rebuild or dismantle
If the frame has life but the deck does not, the pallet is rebuilt with new and recycled boards, which gives a Combo. If the frame is gone, the pallet is taken apart for its boards.
Grind
Irreparable wood can be chipped for mulch, composite products or biomass.
Which step a given pile gets depends on its condition, so a count and photos help.
Which pallets go where
| Pallet | Most likely step | Why |
|---|---|---|
| 48 x 40, clean, no repairs | Back into use as Grade A | It needs nothing, so it is placed as it is |
| 48 x 45 with a plug already on it | Back into use as Grade B | The repair is done and the grade is known |
| A cracked stringer, deck intact | Repair | A companion stringer is a short job |
| Several snapped deck boards | Re-deck or rebuild | The frame is sound, the deck is not |
| A twisted or rotted frame | Dismantle or grind | Only the boards are worth keeping, if that |
Why the metro can do this at scale
The Taylor, Michigan facility of one national pallet recycler was recognized by Zero Waste USA for 97 percent landfill diversion, which shows that large-scale pallet recycling already exists in the metro. The point is that a pile of wood in Wayne County has more places to go than a landfill.
How to make a pile easy to place
- Keep it dry. Mold needs moisture over 20%; a cover or a pad under the stack helps.
- Pull out anything that is not wood: banding, plastic, scrap and trash.
- Say what the pallets carried if it was anything oily or chemical, because it changes where wood can go.
- Give a rough count and the sizes you can see.
Questions about recycling
What is pallet recycling?
Recycled pallets are previously used pallets that have been repaired, refurbished or remanufactured for reuse.
What about wood that cannot be saved?
Irreparable wood may be chipped for mulch, composite products or biomass.
Does the buyer take it all?
Not necessarily. Say what is in the pile and ask what is wanted.
The loop
Collect
Pallets leave a dock as empties, cores or mixed piles.
Sort
A recycler separates reusable stock from the rest.
Repair or remanufacture
Sound pallets are fixed, and combo pallets are rebuilt from recycled and new lumber.
Grind
What cannot be fixed is ground for mulch, composite products or biomass.
Why it matters in a metro like this
About half a billion pallets are made each year, and pallet production accounts for 43% of hardwood and 15% of softwood usage in the US. A metro with dense manufacturing makes a large share of that demand. Each pallet repaired is lumber not cut.
What you can do on your side
- Keep wood dry, so it can be reused instead of ground.
- Remove non-wood debris: strapping, plastic wrap and metal.
- Keep chemical-stained pallets in their own pile.
What recyclers look for
A recycler walks a pile and sorts it into piles by eye. Straight, dry pallets in a common size are the best of it: they can be repaired and sold on, or become the raw material for a combo build. Anything with a clean break, a cracked block or a deep stain is the second pile. The third is non-wood waste, such as plastic sheet and banding, which has to be pulled out before wood can be handled.
Questions about the process
Does the recycler keep every pallet?
Not always. Some go back into service, some become parts, and some are ground. The proportions depend on the pile.
Is it better to repair before selling?
Rarely. A recycler can repair faster and cheaper at scale than a dock can by hand.
Where do ground pallets end up?
As mulch, composite products or biomass.
For a dock that has never sold a pallet, recycling is the easiest first step, because it asks for no sorting at all. Describe what you have and let the buyer decide what to do with it.
What recycling does not mean
It does not mean every pallet is destroyed. Most reach a second life as repaired or remanufactured stock, and only the unusable remainder is ground. It also does not mean the dock gives up control: you decide what goes, when and to whom.
Choosing between recycling and resale
If a pallet is sound, resale usually serves it better, because a working pallet is worth more than its boards. If it is broken, recycling returns the value in the lumber. Mixed piles often need both, and a buyer who does repair and reclamation can take the whole pile in one visit. Describe the split as best you can and let the buyer refine it on site.
Non-wood contamination
Metal strapping, plastic wrap, foam corners, labels and broken glass turn up in every pile. Remove what you can before a buyer arrives. Nails are normal, loose banding is a hazard, and chemical residue is a showstopper. A pile that is mostly clean wood is accepted readily, while one soaked in unknown liquid may be refused outright. A quick walk with a rake and a bin is time well spent.
Wood types
Most pallets are softwood or mixed hardwood, and recyclers handle both. Oak and maple boards are prized for reclaiming, while soft pine is common in cheap one-way builds. Naming the wood, if you know it, helps a buyer judge a pile.
Make the request
Recycling request: say the count, the sizes you can see and whether the pile is dry.