Harmonics Premium Oak (Discontinued Costco)

Harmonics Premium Oak is a Costco-era warehouse-club laminate color named in FlooringFX archive notes on the Costco / Harmonics reference. A short SKU is not always printed; archive cartons describe glueless laminate. Commenters report Costco purchases as early as ~2004, with HAVE/NEED threads into ~2018. Do not invent a part code when the carton strip is unmarked.

This page is a citeable ID hub for leftover matching. It does not list live inventory. Photograph the carton end and confirm brand strip + locking before buying or posting a Match listing. Do not mix oak look-alikes from other warehouse brands.

Identification

Field	Verified value
Common name	Premium Oak
Brand / line	Harmonics (Costco warehouse-club laminate; Mohawk-associated)
Part / model	Short SKU not always printed; archive cartons describe glueless laminate. Use the color name + full carton strip. Do not invent a code.
Approx. era	Purchased at Costco as early as ~2004 per archive notes on the Costco hub; HAVE/NEED threads into ~2018
Package notes (archive)	FlooringFX archive notes sealed Costco boxes with about 7 planks / ~17.18 sq ft per package. Confirm on your carton end; package size can vary by run.
Locking	Many Harmonics runs used Uniclic; confirm the profile on a spare plank. See locking systems for leftover flooring.
Dye lots	Batch / dye-lot codes matter when mixing cartons; see dye lots / batch codes.
Oak look-alike trap	Treat as Harmonics Premium Oak only when the brand strip matches. Oak look-alikes from other warehouse brands will not click in.

How to ID Premium Oak on a carton

1. Read the brand strip: it should say Harmonics (Costco-era), not TrafficMaster, LifeProof, Pergo, Style Selections, Select Surfaces, or a generic warehouse “oak” house brand.
2. Match the color name Premium Oak exactly. Do not treat Newport Oak, Frontier Oak, Harbor Scraped Oak, Cottage Oak, Harvest Oak, or other Harmonics oak rows as the same SKU without a matching carton strip.
3. Photograph the full carton end (brand strip, color name, any numeric codes, sq ft / plank count). Archive notes cite about 7 planks / ~17.18 sq ft on some sealed Costco boxes; verify yours.
4. Measure a spare plank (thickness with pad, width, length) before you post a Match listing.
5. Confirm locking on a spare plank. Many Harmonics cartons used Uniclic; a different profile will not click in even if the oak visual looks similar.

Full Costco / Harmonics table: Discontinued Costco / Harmonics flooring reference. Carton-end walkthrough: label decoder.

Related Harmonics IDs (not Premium Oak)

• Vintage Chestnut VC403S — different color family; carton part is marked.
• Royal Mahogany RM203S — different color family; watch Mohagany depleted-list spelling.
• Skyline Maple — Costco Harmonics maple visual; not an oak row.
• Maple Select — separate Costco Harmonics maple name; not Premium Oak.
• Other Harmonics oak names on the Costco hub (Newport Oak NO802S, Frontier Oak, Harbor Scraped Oak, Cottage Oak, Harvest Oak) — different rows; confirm the exact color string on the carton.

Name traps across brands: name collisions table.

Requests for leftover Harmonics Premium Oak cartons are easier to fill when the listing is specific. The guide on how to write a match listing covers which label details to include, photographing a flooring carton for a match explains which shots help a seller confirm the pattern and dye lot, and shipping leftover flooring boxes outlines packing and freight options for heavy cartons.

Where people look for leftovers

• FlooringFX Match: post NEED or HAVE with carton photos and the exact color string Premium Oak plus any codes on the end. Browse the Match board first.
• Mohawk outlet / factory closeout patterns: same path noted on the Costco Harmonics hub. Depleted lists may name oak rows; they do not restock Costco warehouse colors for retail repair.
• Leftover channels: Marketplace, Craigslist, and other channels in where people look for leftover discontinued flooring.
• Repair volume: see how many leftover boxes most repairs need for typical repair bands.

What will not match

• Oak look-alikes from other warehouse brands (Sam’s Club Select Surfaces, Home Depot TrafficMaster / LifeProof, Lowe’s Style Selections) that only share an “oak” word
• Other Harmonics oak color names that are not Premium Oak on the carton strip
• Any “close enough” click plank with a different locking profile, thickness including pad, dye lot, or brand strip. See locking systems and dye lots / batch codes.

Sources: FlooringFX Costco / Harmonics reference (Premium Oak row: short SKU not always printed; glueless laminate on archive cartons; Costco purchase notes as early as ~2004; HAVE/NEED into ~2018; sealed Costco boxes about 7 planks / ~17.18 sq ft per package). Sibling pattern pages for VC403S, RM203S, Skyline Maple, and Maple Select. No short SKU invented. Eras approximate. No leftover inventory is offered for sale by FlooringFX.