Cost to Install Laminate Flooring in a Basement in 2026
Laminate in a 400 sq ft basement room costs about $1,396 to $3,048 installed over concrete, moisture barrier included: $1,396 to $2,052 with budget plank, $1,724 to $2,608 mid-range and $2,208 to $3,048 premium (Home Depot labour and Floor & Decor and Home Depot shelf prices, 13 October 2026). The basement-only line is the barrier: 6 mil polyethylene film at $0.23 per sq ft, or foam with a vapour barrier at $0.40 to $0.60 under a plank with no pad.
Updated 15 November 2026. How we priced this.
Basement Laminate Cost by Size, Barrier Included
| Basement area | Budget | Mid-range | Premium |
|---|---|---|---|
| 200 sq ft | $698 to $1,026 | $862 to $1,304 | $1,104 to $1,524 |
| 400 sq ft | $1,396 to $2,052 | $1,724 to $2,608 | $2,208 to $3,048 |
| 600 sq ft | $2,093 to $3,077 | $2,585 to $3,911 | $3,311 to $4,571 |
| 1,000 sq ft | $3,489 to $5,129 | $4,309 to $6,519 | $5,519 to $7,619 |
Budget: 7mm plank, no pad, on foam with a vapour barrier. Mid-range and premium: 10 to 12mm planks with an attached pad, on polyethylene film. Each cell runs from the cheapest plank with the lowest labour to the dearest plank with the highest.
Which Plank for a Basement
| Choice | Under it | 400 sq ft installed | Pick it if |
|---|---|---|---|
| Budget 7mm, no pad | Foam with vapour barrier | $1,396 to $2,052 | A dry, finished basement on the lowest budget. Not sold as waterproof; check the carton allows below-grade use |
| Mid-range, pad attached | 6 mil poly film | $1,724 to $2,608 | Most basements. Both planks that set this price are sold as waterproof; HydroShield Plus is listed for below grade |
| Premium AC5, pad attached | 6 mil poly film | $2,208 to $3,048 | A walkout or a basement used as a playroom or gym. AquaGuard Performance is listed for below grade |
Plank prices and what each seller says about water are on our waterproof laminate cost page.
What a Basement Quote Should Cover
- A moisture test. The Home Decorators Collection instructions ask for every concrete subfloor to be tested, at least three tests per 1,000 sq ft, and for a new slab to cure at least 90 days.
- The barrier. 6 mil polyethylene film over concrete, even under a plank with an attached pad, as Floor & Decor's product pages also say. About $92 for 400 sq ft.
- Levelling, if the slab needs it. Floor & Decor sold Mapei Ultraplan 1 Plus self-leveler at $30.89 for a 50 lb bag. How many bags depends on the depth and area of the low spots, so get the installer to state it.
- Removal of an old floor. Home Depot gives an average of $1.95 per sq ft, about $780 for 400 sq ft. See old floor removal cost.
Basements are common where laminate goes down: in the Northeast, 53% of new single-family houses completed in 2025 had a full or partial basement, and 50% in the Midwest (Census Bureau). Laminate is not a flood material, though: FEMA's Technical Bulletin 2 rates plastic laminate flooring unacceptable below the base flood elevation in a Special Flood Hazard Area.
Price Your Basement
Enter your area and grade. For a plank with no pad, choose foam with a vapour barrier; for a plank with a pad, add the film line above ($0.23 per sq ft) to the total.
Common Questions
How much does it cost to install laminate in a basement?
About $1,396 to $3,048 for a 400 sq ft basement room over concrete, moisture barrier included: $1,396 to $2,052 with budget plank on foam with a vapour barrier, $1,724 to $2,608 mid-range and $2,208 to $3,048 premium on polyethylene film. That uses Home Depot's last published labour and shelf prices read 13 October 2026. Removing an old floor is extra.
Do I need a vapour barrier under laminate in a basement?
Yes, over concrete. The Home Decorators Collection instructions call for 6 mil polyethylene film under a floating floor on a concrete subfloor, and Floor & Decor says a 6 mil poly vapour barrier is needed over concrete even under its attached-pad planks. Film was $0.23 per sq ft at Floor & Decor, about $92 for 400 sq ft. Under a plank with no pad, foam with a built-in vapour barrier was $0.40 to $0.60 per sq ft.
Do I need a moisture test before laminate goes on a basement floor?
Yes. The Home Decorators Collection instructions ask for every concrete subfloor to be moisture-tested, with at least three tests per 1,000 sq ft, and for a new slab to cure at least 90 days first. Ask whether your installer's quote includes the test.
Can laminate go below grade?
Some can. Floor & Decor lists both waterproof planks whose specifications we read (AquaGuard Performance and HydroShield Plus) for use on, above or below grade. Check the elevation grade on the product page or carton of the plank you are buying before you lay it in a basement.
Is laminate safe in a basement that floods?
Not as flood protection. FEMA's Technical Bulletin 2 (January 2025) rates plastic laminate flooring unacceptable as a flood damage-resistant material below the base flood elevation in a Special Flood Hazard Area, with no exception for planks sold as waterproof. If your basement takes on water, fix the water first.