Introduction
Laminate projects fail in the planning, not the laying. This checklist compresses everything in this guide cluster into a single verification sequence — measure, calculate, order, prep, install, finish — so nothing gets forgotten between the tape measure and the last piece of quarter-round. Print it, and check items off as you go.
The quantities in the checklist come from the Laminate Flooring Calculator — run your dimensions through it first, then work this list.
Phase 1: Measure and Calculate
- ☐ Sketch the floor plan with every wall, closet, alcove, and doorway marked.
- ☐ Measure every wall twice at floor level; use the larger reading when they differ.
- ☐ Split irregular shapes into non-overlapping rectangles; add closet areas; subtract built-ins.
- ☐ For angled walls, measure the bounding rectangle and raise waste to 12–15%.
- ☐ Count stairs by steps (treads + risers + nosing per step), not by area.
- ☐ Measure every doorway width and note floor-height changes for reducer vs. T-molding selection.
- ☐ Record the takeoff in a table: area, dimensions, net square footage.
- ☐ Choose waste %: 10% simple straight / 12–15% cut-up rooms and hallways / 15–20% diagonal.
- ☐ Run the numbers through the Laminate Flooring Calculator; verify boxes = gross area ÷ box coverage, rounded up.
- ☐ Cross-check: purchased material (boxes × coverage) should exceed net area by ~waste % + round-up.
Measuring technique for each room shape is detailed in the estimating guide; the math behind each step is derived in the formula guide.
Phase 2: Select and Order Material
- ☐ Choose AC rating for the room’s traffic: AC3 default residential, AC4 for pets/heavy use, AC5 commercial only.
- ☐ Confirm plank thickness vs. door clearances and transition heights.
- ☐ Select underlayment matched to subfloor (vapor-barrier type over concrete) and laminate warranty.
- ☐ Add 6-mil poly moisture barrier if installing over concrete.
- ☐ Count transitions: one T-molding per doorway, reducers for height changes, threshold at exterior doors.
- ☐ Count stair nosing: one per step + 10% spare.
- ☐ Calculate quarter-round: room perimeter in linear feet ÷ stick length, +10% for miters.
- ☐ Order everything in ONE purchase; verify matching batch codes on all cartons at delivery.
- ☐ Earmark one full box as attic stock — do not install it.
- ☐ Photograph the carton labels (product name, batch code) for warranty records.
- ☐ Confirm the budget against typical ranges in the cost guide, plus 10% contingency.
Phase 3: Prep the Room and Subfloor
- ☐ Stack boxes flat in the install room 48–72 hours before laying (room at 60–80°F / 15–27°C, 30–50% humidity).
- ☐ Remove old flooring, staples, and debris; vacuum thoroughly.
- ☐ Check subfloor flatness with a long straightedge: max 3/16 in over 10 ft (5 mm over 3 m).
- ☐ Sand high spots / apply self-leveler to low spots; let leveler cure fully.
- ☐ Check concrete for moisture; lay 6-mil poly barrier with 8 in (20 cm) taped overlaps where needed.
- ☐ Undercut door jambs to plank-plus-underlayment height.
- ☐ Verify compliance items: HOA flooring rules in writing (condos), stair geometry preserved, fire ratings if required — see the code compliance guide.
Phase 4: Install
- ☐ Lay underlayment (or barrier + underlayment), butted edge to edge, seams taped.
- ☐ Open 3–4 boxes; mix planks across boxes as you lay.
- ☐ Dry-lay the first three rows; verify the last row won’t be under 2 in (5 cm) wide — rip the first row if needed.
- ☐ Place 10 mm (3/8 in) spacers at every wall, pipe, and fixed object.
- ☐ Stagger end joints 8–12 in (20–30 cm) minimum; randomize the pattern.
- ☐ Run planks parallel to the longest wall (lengthwise in hallways).
- ☐ Add a T-molding expansion break in any continuous run over ~30 ft (9 m).
- ☐ Roll the finished field with a 100-lb (45 kg) floor roller; listen for hollow or clicking joints and re-seat them.
Cutting and fitting best practices are in the pro tips guide; the errors to avoid are cataloged in the common mistakes guide.
Phase 5: Finish and Verify
- ☐ Remove ALL spacers from the perimeter before trim goes on.
- ☐ Install quarter-round/base shoe nailed to wall or baseboard ONLY — never through the laminate.
- ☐ Install T-moldings, reducers, and thresholds at every doorway and height change.
- ☐ Walk the entire floor checking for movement, hollow spots, and visible shade bands.
- ☐ Store the attic-stock box flat in a dry location; note the product name and batch code.
- ☐ Keep the receipt and warranty documentation with the attic-stock box.
- ☐ Register the product warranty online if the manufacturer offers it.
- ☐ Note the install date and installer (self or pro) with the warranty file — useful for any future claim.
Quick-Reference Numbers
| Item | Standard value |
|---|---|
| Expansion gap | 10 mm (3/8 in) at all fixed objects |
| Subfloor flatness tolerance | 3/16 in over 10 ft (5 mm over 3 m) |
| Acclimation | 48–72 hours at 60–80°F / 15–27°C, 30–50% humidity |
| End-joint stagger minimum | 8 in (20 cm), 12 in (30 cm) preferred |
| Expansion break threshold | ~30 ft (9 m) continuous run |
| Minimum last-row width | 2 in (5 cm) — rip the first row to balance |
| Waste allowances | 10% / 12–15% / 15–20% by layout complexity |
Related Guides
- Complete Guide — the full estimating walkthrough with worked examples.
- How to Estimate Laminate — measuring technique behind Phase 1.
- Material Guide — product and accessory selection behind Phase 2.
- Pro Tips — installation best practices behind Phase 4.
- DIY vs Pro — decide who executes this checklist.
Done Right, Once
Five phases, thirty-odd checks, one floor that stays flat and quiet for years. The checklist is only as good as the quantities behind it — confirm yours with the Laminate Flooring Calculator before you start.
Disclaimer: Calculator results are planning estimates based on the dimensions you enter. Actual material needs vary with room shape, cut complexity, plank dimensions, and installer technique. Verify quantities with your supplier and consult a qualified professional before ordering or installing.
