Flooring installation looks approachable in tutorial videos — a few tools, a weekend afternoon, and you've saved a thousand dollars. After 45 years of installing floors and fixing DIY mistakes in St. Louis area homes, we've seen exactly where it works and where it goes wrong. Here's an honest look at both sides.
Where DIY Flooring Can Work
Not every flooring project needs professional installation. Click-lock luxury vinyl plank in a simple rectangular room with a flat, clean subfloor is genuinely manageable for a careful, tool-comfortable homeowner. Peel-and-stick vinyl tile in a small powder room, or floating laminate in an above-grade spare bedroom, fall into the same category.
The conditions that keep DIY manageable: simple room shapes without angles or curves, no existing flooring to remove, no subfloor prep required, no stairs, no pattern-matching, and a forgiving click-lock material that can be repositioned when you make a mistake. Add complexity in any of those areas and the project difficulty escalates quickly.
Where DIY Flooring Goes Wrong
Here's what we see most often when homeowners call us after a DIY attempt:
- Subfloor problems skipped over: Squeaks, uneven sections, old adhesive, moisture in concrete slabs — these need to be addressed before installation. Flooring over a compromised subfloor fails prematurely: the clicks separate, tiles crack, carpet stretches out.
- Carpet without a power stretcher: Knee-kicker tools are not a substitute. Without power-stretching, carpet buckles and ripples within two to four years — and most carpet manufacturers void their warranty for installations that weren't properly stretched.
- Seams in the wrong place: Hardwood, LVP, and patterned carpet all require seams to be placed in low-visibility, low-traffic locations with correct pile or grain direction. A badly placed seam is permanent and distracting.
- Tile on wood subfloor without an uncoupling membrane: Wood moves seasonally; tile doesn't. Without a Schluter DITRA or similar membrane to absorb the movement, grout cracks within one to two heating/cooling cycles.
- Stair work: Getting flooring to wrap cleanly around stair noses, stay anchored under daily impact, and look professional at every tread and riser requires technique developed through repetition. Poorly installed stair flooring is a trip hazard and often requires complete redo.
The Real Cost of DIY
DIY looks cheaper until you account for the full picture. Tools needed for a proper LVP installation include a miter saw, tapping block, pull bar, spacers, and transition tools — rental or purchase runs $100–300 for one project. Carpet installation requires a power stretcher rental, knee-kicker, and seaming iron. Tile work needs a wet saw, notched trowels, grout float, and spacers.
Add 10–15% material waste from measurement errors (professionals order exactly what's needed), the cost of fixing mistakes, and the lost warranty coverage if the installation doesn't meet manufacturer specifications. What looked like a $500 savings often disappears — and the stress is real.
What You Get With Professional Installation at Kelly's Flooring
When you hire us, you get our own in-house installation crew — not subcontractors — who have installed floors across the Greater St. Louis area for decades. Our price includes accurate measurement, old flooring removal and disposal, subfloor inspection and minor leveling, professional installation with the correct tools and technique, furniture moving, transition and trim installation, thorough cleanup, and a walkthrough before we leave.
We also back our workmanship with a warranty. If something isn't right after we leave, we come back and fix it. That peace of mind is worth more than most homeowners expect until they've experienced the alternative.
Ready to take the guesswork out of your flooring project? Request an in-home estimate or call (636) 677-5555. We serve St. Louis, Ballwin, Chesterfield, Fenton, Kirkwood, Arnold, and the entire Greater St. Louis area.
Ready to Get Started?
Contact Kelly's Flooring for a no-obligation estimate on your flooring project.