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Heat-Treated Pallets

ISPM-15 heat-treated pallets for export to 180+ countries. Find heat-treated pallets services in your state, city, or ZIP code across the United States. United States Pallets supplies new, recycled, custom, and ISPM-15 heat-treated pallets to commercial buyers in all 50 states, with a 50-pallet minimum order and a written quote target of under 2 business hours.

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ISPM-15 heat-treated pallets for export to 180+ countries. Find heat-treated pallets services in your state, city, or ZIP code across the United States.

Pallet stringer 48x40 dimensional specs

Heat-Treated Pallets Coverage

Pallet Lumber & Sawmill Operations

Stamped kiln-dried pallet lumber, bulk warehouse stock, dimensional yard inventory, raw softwood logs, and sawmill operations - the supply chain behind every custom and standard pallet we ship.

Kiln-dried stamped pallet lumber boards in stack at sawmill
Kiln-dried stamped pallet lumber boards in stack at sawmill
Bulk pallet lumber storage in covered warehouse - dimensional pallet stock
Bulk pallet lumber storage in covered warehouse - dimensional pallet stock
Dimensional pallet lumber stacks with grading marks in lumber yard
Dimensional pallet lumber stacks with grading marks in lumber yard
Softwood pallet logs - raw timber for pallet lumber milling
Softwood pallet logs - raw timber for pallet lumber milling
Sawmill aerial view of lumber yard with pallet supply inventory
Sawmill aerial view of lumber yard with pallet supply inventory

USP delivers heat-treated pallets across all 50 US states with sub-2-hour quote response, same/next-day service in core markets, and audit-ready compliance documentation per FSMA, ISPM-15, GDP, OSHA, and EPA SMM frameworks.

Do You Need Heat-Treated (ISPM-15) Pallets?

You need heat-treated (ISPM-15) pallets when wood packaging crosses an international border. The wood is held at a 56 C core for at least 30 minutes, then stamped with the IPPC mark. Domestic US shipments and US-to-Canada moves do not require it; exports to any of the 180-plus ISPM-15 countries do.

ISPM-15 heat treatment at a glance (as of July 2026). ISPM-15 is the International Plant Protection Convention standard for wood packaging in international trade.
RequirementSpecification
Heat treatment (HT)Wood core held at 56 C (133 F) for a minimum of 30 continuous minutes
Approved alternativesDielectric heating (DH); methyl bromide (MB) fumigation, being phased out worldwide
IPPC markWheat/IPPC logo, ISO 2-letter country code, unique producer number, and treatment code (HT, DH, or MB)
Applies toSolid-wood packaging thicker than 6 mm: pallets, crates, boxes, dunnage, cable drums
ExemptManufactured wood (plywood, OSB, particleboard, veneer) and wood 6 mm or thinner
BarkMust be debarked (bark-free) per the 2009 ISPM-15 revision
Repair ruleIf more than one third of a pallet's components are replaced, it must be re-treated and re-stamped
Enforced by180-plus countries incl. the EU, UK, China, Australia, Brazil, India, and Mexico (US and Canada exempt each other's wood)

How to Read an ISPM-15 Stamp

A compliant mark carries four parts: the IPPC wheat logo on the left; a two-letter ISO country code (for US-treated wood, US); the treatment provider's unique certification number assigned by the national plant-protection agency; and a treatment code to the right, either HT (heat treated), DH (dielectric heating), or MB (methyl bromide). A stamp missing any element, or applied to wood with bark still attached, can be rejected at the destination border. Every USP heat-treated load ships with matching IPPC stamps and ISPM-15 documentation.

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Do I need heat-treated pallets for domestic US shipping?

No. ISPM-15 applies to wood packaging that crosses an international border. Domestic US shipments and US-to-Canada moves do not require an HT stamp. You need heat-treated pallets when exporting to any of the 180-plus ISPM-15 countries, including the EU, UK, China, Australia, and Brazil.

How do I read an ISPM-15 stamp?

Look for the IPPC wheat logo, a two-letter ISO country code (US for US-treated wood), the treatment provider unique certification number, and a treatment code: HT (heat treated), DH (dielectric heating), or MB (methyl bromide). A stamp missing any element can be rejected at the border.

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