Eight lines on a flooring estimate and what each one is actually paying for
Two quotes for the same room can differ by half, and almost never because of the flooring itself. The gap is in the lines above and below it.
- Written by
- Roy Castellano
- Published
- Filed under
- Property
- Length
- 834 words, about 4 minutes
A flooring estimate is a short document and most of it is not about flooring. The material line is the one homeowners compare and it is rarely where two quotes diverge. The divergence is in prep, in waste, and in what the contractor has assumed about a subfloor nobody has looked at yet.
Eight lines, in the order they usually appear.
1. Demolition and removal of existing floor
Priced per square foot and driven entirely by what is down there. Floating laminate lifts in an afternoon. Glued vinyl over plywood comes up in fragments. Ceramic tile set in a mortar bed over wire lath is a different job with a different tool and a different amount of dust.
If the estimate gives one demolition rate and the house has three floor types, someone will be renegotiating later. Ask which assumption the number rests on.
2. Subfloor preparation
The line that decides the job. Everything visible sits on top of it and nothing above it can correct a problem below it.
- Flatness. Most manufacturers specify a tolerance measured over a span, and floating floors are less forgiving than glued ones. Out-of-tolerance subfloor means self-leveling compound, which is priced by the bag and by the depth.
- Squeaks and movement. Screwing a loose subfloor down to the joists is cheap while the floor is open and impossible afterward.
- Moisture. On a slab this is a test, not an opinion. On a crawlspace it may mean a vapor barrier below before anything goes down above.
An estimate with no subfloor prep line at all is not a cheaper estimate. It is an estimate with the prep moved into a change order.
3. The material itself
The number everyone reads first. Compare the specification, not the name. For a wood product the numbers that matter are total thickness and the thickness of the top wear layer, because the wear layer decides whether it can ever be refinished. For a resilient product it is wear layer thickness again, given in mils. For tile it is the rating for the traffic it will see.
Two products described identically in the showroom can differ by a factor of three on the one measurement that predicts how long they last.
4. Waste factor
Usually a percentage added to the measured area. A rectangular room with a plain layout sits at the low end. Diagonal installs, herringbone patterns, lots of doorways, closets and angles push it up, and long plank in a narrow room wastes more than you would guess.
An estimate with no waste factor is either priced by the room or about to run short. Running short mid-job is a real cost, because dye lots move.
5. Underlayment, adhesive or fasteners
Whichever the method requires. Floating floors need a pad, and the pad may or may not include a moisture barrier. Glue-down needs the adhesive the manufacturer specifies, and substituting a cheaper one is the fastest way to void the warranty. Nail-down needs cleats and a subfloor thick enough to hold them.
This line is small in dollars and large in consequences. It is where a low quote frequently hides.
6. Transitions, thresholds and trim
Every doorway needs a piece. Every height change needs a piece. Stairs need nosings, which are a separate product and a separate labor rate, and stair work often costs more per tread than the whole hallway costs per foot.
Shoe molding, quarter round, or the alternative of pulling and reinstalling the existing baseboard: three prices, three appearances, and the estimate should say which one it assumes.
7. Furniture, appliances and doors
Moving a room's contents out and back is labor. Pulling and resetting a refrigerator or a range involves a disconnect. Doors often need trimming once the floor height changes, and an interior door that drags on a new floor is a callback nobody budgeted for.
8. Haul-away and disposal
Dumpster rental or per-load disposal, plus tipping fees that vary by what is in the load. Old tile is heavy and heavy is expensive. Some jurisdictions handle certain old flooring materials under specific handling rules, which is worth asking about in a house built before the late 1970s rather than discovering on demolition day.
Reading two estimates side by side
Line them up and check three things before you look at the totals.
- Do both measure the same area? Square footage disagreements are common and they change everything downstream.
- Do both carry a subfloor prep allowance, and is it stated as an allowance or a fixed price?
- Do both name the specific product with its wear layer, or does one just say the brand?
Where those three agree, a price difference is a real difference in labor rate or margin, and you can choose on that basis. Where they do not, the totals are not comparable and the cheaper one is usually the one with more still to be decided. Getting the sheets aligned first is what turns a confusing pair of numbers into a straightforward choice.