🪵 Teak Flooring & Square Timber: The Ultimate HS Code Classification & US Customs Guide (2026)

🌐 HS Code Reference & Clearance Guide | 2026 Latest Tariff Analysis | Professional Customs Strategy
📌 Part I: Product Definition & Classification — Do You Really Understand "Teak"?

Teak (Tectona grandis) is a high-value tropical hardwood renowned for its durability, oil content, and resistance to rot. In international trade, it is strictly regulated based on its processing state and final form. Misclassification leads to severe penalties, as teak falls under specific "Tropical Wood" chapters with heavy附加 tariffs.

It is primarily divided into two categories in your data: 1. Finished/Ready-to-Install Flooring: Planks with grooves, tongues, or pre-finished surfaces, ready for installation. 2. Raw/Processed Timber: Sawed, planed, or squared timber (including "Square Timber") that requires further machining or is sold as raw stock.

⚠️ Key Distinction Point:
- If the wood is cut to specific dimensions with joinery features (tongue & groove) for immediate flooring installation → Chapter 4418 (Builders' Joinery).
- If the wood is merely sawed, planed, or squared (even if intended for flooring) → Chapter 4407/4409 (Wood in the rough or sawn).
- Crucial Note: "Square Timber" (方木) is NOT flooring; it is a semi-processed product.

📦 Part II: HS Code Classification Details (2026 Latest Tariff Authority)

Based on the provided data, here is the detailed breakdown for Teak Flooring and Teak Square Timber.

🔍 Critical Observation:
- Flooring Products (4418..., 4409.22...) attract a higher base tariff (3.2%) compared to raw sawn wood (0%), leading to a Total Tax of 38.2%.
- Raw/Semi-Processed Timber (4407..., 4421...) attracts 0% Base Tariff, leading to a Total Tax of 35.0%.
- The 3.2% difference in base tariff creates a 3.2% cost increase for classifying products as "Flooring" vs. "Sawn Timber".

💰 Part III: 2026 US Customs Tariff Breakdown (Detailed)

✅ Applicable Country: United States (US)
✅ Origin: China (CN)
✅ Effective Time: Ongoing (Section 301 & IEEPA tariffs)

🎯 1. 4418.79.01.00 & 4418.99.91.05 — Finished Teak Flooring

These HS codes fall under Chapter 44.18 (Builders' joinery and carpentry), which generally has a higher base duty than raw timber.

📌 Explanation:
- 3.2% Base: Reflects the value-added nature of pre-finished flooring.
- 25% Section 301: Standard penalty on many Chinese wood products.
- 10% IEEPA 122 Clause: Additional punitive tariff.
- Risk: High. Misclassifying flooring as raw timber (4407) to save 3.2% can trigger audits, as customs easily distinguish finished planks from rough sawn wood.

🎯 2. 4407.23.01.00 & 4407.29.02.96 — Sawed Teak Timber

These HS codes fall under Chapter 44.07 (Wood sawn or chipped lengthwise), which has a 0% base tariff.

📌 Explanation:
- 0% Base: Raw/sawn wood has no manufacturing value-add in the HS definition.
- Savings: 3.2% lower than finished flooring.
- Condition: Must be genuinely "sawn" or "planed" without joinery (tongue/groove).

🎯 3. 4421.99.94.00 — Teak Square Timber (Outdoor)

This code falls under Chapter 44.21 (Other article of wood), used for items not specified elsewhere (e.g., square timber for outdoor structures).

📌 Explanation:
- "Square Timber" (方木) is not finished flooring. It is a structural or semi-finished product.
- 35.0% Total: Same as sawn timber.
- Usage: Suitable for outdoor decking, pergolas, or furniture frames where the wood is squared but not yet profiled for floor installation.

🎯 4. 4409.22.25.00 & 4409.22.05.60 — Profiled Teak Wood (Flooring)

These codes fall under Chapter 44.09 (Wood continuously shaped along its length), specifically for non-coniferous tropical wood.

📌 Explanation:
- If the teak is profiled (grooved, tongued) but not assembled, it may still fall here.
- 3.2% Base Tariff: Like Chapter 44.18, profiled wood intended for flooring carries a base duty.
- Distinction: 4409 is for "shaped wood" (e.g., long strips with grooves), while 4418 is for "assembled flooring" (individual planks ready to lay). In practice, most retail flooring goes to 4418.

🛠️ Part IV: Customs Clearance Practical Advice (Avoid Pitfalls)

✅ 1. Documentation Checklist (Mandatory)

✅ 2. Classification Strategy (Key Mnemonic)

🔥 "Sawn is 0%, Shaped is 3.2% + 35%/38% Total!"

⚠️ Warning:
- Do NOT declare "Flooring" as "Sawn Timber" (4407) to save 3.2%. US Customs (CBP) will inspect the goods. If they see tongue-and-groove profiles, they will reclassify it to 4418 or 4409, charge the difference, plus penalties and interest.
- "Square Timber" (4421) is only valid if the product is genuinely square in cross-section and not intended as direct-install flooring.

🌍 Part V: Global Market Comparison (2026)

📌 Conclusion:
- USA is the highest-cost market due to Section 301 and IEEPA tariffs.
- The 3.2% base difference between flooring and raw timber is significant for large volumes.
- Strategy: If you sell "Square Timber" that could be flooring, declare it as "Teak Square Timber for Outdoor Use" (4421.99.94.00) to qualify for the 35.0% rate, provided it is not yet profiled for floor installation.

📌 Part VI: Common Errors & Pitfalls (Lessons Learned)

❌ Error 1: Declaring "Teak Flooring" as "Teak Wood Lumber" (4407)
👉 Consequence: CBP reclassifies to 4418, charges 3.2% more base duty, plus penalties.
✅ Fix: Only use 4407 if the wood is truly unprofiled.

❌ Error 2: Ignoring the "122 Clause" (IEEPA 10%)
👉 Consequence: Under-declaration of duties leads to audits.
✅ Fix: Always include 10% IEEPA in cost calculations for China-origin wood.

❌ Error 3: Misidentifying "Square Timber"
👉 Consequence: If "Square Timber" has any flooring features (grooves), it must be 4409 or 4418.
✅ Fix: Ensure "Square Timber" is strictly square and smooth, with no joinery.

🎯 Part VII: Conclusion — Precision Saves Money!

🎯 Remember the Rule:

🔹 "Finished = 38.2% | Raw/Squared = 35.0%"
🔹 "Profiled Wood = 38.2% | Raw Saw = 35.0%"
🔹 "Do NOT mix Flooring with Sawn Timber!"

📌 Pro Tip:
For large shipments, consider applying for a US Customs Ruling (Advance Ruling) to confirm whether your specific "Teak Product" qualifies as 4418 (Flooring) or 4407/4421 (Raw/Squared). This provides legal protection against future audits.

📣 Immediate Action:

📞 Contact a Customs Broker + Provide Product Photos + Define Final Use
🚀 Ensure Accurate HS Code, Avoid Penalties, Maximize Profit!

✨ Professional Classification Starts Here!
💼 Every 3.2% Counts! Get It Right!