Why The Carton Number Is Not The Whole Story
Every laminate carton lists a square footage coverage number, and it is tempting to divide your room's square footage by that number and call it done. That approach almost always leaves a project short, because the carton number reflects exact plank coverage with zero allowance for cuts, waste, or pattern layout.
Real installations lose material at every wall, doorway, and closet cutout, and none of that loss shows up in the manufacturer's coverage math. Ordering to the exact number on paper is the single most common reason a laminate project stalls mid install waiting on a reorder.
Chicago Flooring By Manas Torcom walks through this math with every laminate order specifically because it is easy to get wrong even for an experienced do it yourselfer.
Building In A Waste Factor
A straightforward room with a simple rectangular layout typically needs 5 to 10 percent added on top of the exact square footage to cover standard cuts along walls and doorways. A room with a lot of jogs, closets, or an irregular shape needs closer to 10 to 15 percent, since every corner and cutout produces an offcut that usually cannot be reused elsewhere in the room.
Diagonal layouts change this math further, often needing 15 to 20 percent extra, because diagonal cuts waste more of each plank than a straight run does. Getting this percentage right before you order is far cheaper than a mid project rush order, which can also introduce a dye lot mismatch if the original run has sold through.
Why Plank Length Affects Your Order
Longer plank formats generally waste more material per cut than shorter ones, since a long plank that needs a short piece at the end of a row leaves a larger offcut than a short plank would in the same spot. This is a detail that rarely gets mentioned when comparing laminate products side by side, but it does affect how much extra material a longer format actually requires.
If you are comparing two laminate products with similar per carton coverage but different plank lengths, the shorter plank option will typically require a smaller waste factor and can end up needing fewer total cartons for the same room.
The Dye Lot Problem With Reordering
Laminate is manufactured in production runs, and color can shift slightly from one run to the next even within the same product line. If you run short mid installation and need to reorder, there is a real chance the new cartons will not match the original shade exactly, especially if time has passed since the first order.
This is the strongest practical argument for rounding up rather than rounding down on your initial order. A few unused cartons stored flat in a climate controlled space are inexpensive insurance against a visible seam of mismatched color partway through a room.
A Simple Way To Check Your Math
Measure the room's exact square footage, including closets if they will be floored
Add the appropriate waste percentage for your layout and plank length
Divide the total by the per carton coverage listed on the specific product
Round up to the next full carton rather than down
Running this math before ordering, rather than after opening the first few boxes, is what actually prevents a stalled project.
Room shape, plank length, and layout pattern all move this calculation enough that a generic online calculator often gets it wrong for a specific space. Chicago Flooring By Manas Torcom can measure your room and run the actual numbers for clients anywhere in Park Ridge, Chicago, Arlington Heights, Glenview, and Hinsdale, IL before you commit to an order.
Browse our laminate flooring options to compare plank formats and coverage, then contact us to get an accurate carton count for your space at one of our Park Ridge, IL.


