If your old linoleum or VCT tiles are looking yellowed and dingy, you really need to know how to strip the floor so you can bring back that original shine. It's one of those chores that nobody actually wants to do because, let's be honest, it's messy and a bit back-breaking. But if you've been layering wax on top of wax for years, you've probably noticed that the floor doesn't look clean anymore; it just looks like shiny dirt. To fix that, you have to get rid of every single layer of old finish before you even think about putting down a new coat.
Getting your gear together
Before you even touch a mop, you've gotta make sure you have everything you need. There is nothing worse than being halfway through a project with a floor covered in slippery chemicals and realizing you forgot the neutralizer. You're going to need a heavy-duty floor stripper—don't get the cheap stuff, because you'll just end up scrubbing twice as hard.
Grab two buckets: one for the stripping solution and one for clean rinse water. You'll also need two mops (one for applying and one for rinsing), a wet-dry vacuum if you can get your hands on one, and a good floor machine or a very sturdy long-handled scrub brush. If you're doing a small bathroom, a hand scrub brush might work, but for a whole kitchen or basement, you'll want a machine. Also, wear old clothes and shoes with good grip. Stripper makes the floor feel like an ice rink covered in oil.
Prepping the room like a pro
You might be tempted to just jump in, but prep work is what separates a decent job from a disaster. Clear everything out of the room. I mean everything. If it's not bolted down, it needs to go. Then, take some blue painter's tape and mask off the baseboards. The stripping chemicals can eat the paint or finish right off your wood trim, and that's a whole different project you don't want to deal with today.
Sweep and vacuum the floor thoroughly. Any loose dirt or pet hair left behind is just going to turn into a muddy sludge once the liquid hits it. Once the floor is clear and clean, make sure the area is well-ventilated. Floor strippers usually have a pretty "industrial" smell, and those fumes can get intense in a small space. Open the windows and maybe stick a fan in the doorway blowing outward.
Mixing and applying the solution
Now for the "fun" part. Read the label on your stripper bottle. Most of them are concentrates, so you'll need to dilute them with hot water. Using hot water helps the chemicals react faster with the old wax. Don't eyeball it; follow the ratio on the back of the jug.
Start in the corner furthest from the door so you don't trap yourself. Slop the solution onto the floor. You want it to be "wet-wet," not just damp. The goal is to let the chemicals do the heavy lifting. This is called "dwell time." Most products need about 10 to 15 minutes to sit there and liquefy the old wax. Just don't let it dry out! If you see a spot starting to look dry, splash a little more solution on it. If the stripper dries on the floor, it'll turn back into a hard crust that's even harder to remove than the original wax.
The scrubbing phase
Once the dwell time is up, the floor should look a bit milky or gooey. That's the wax breaking down. Now, you take your floor machine or your scrub brush and get to work. If you're using a machine, move slowly in side-to-side motions. You'll see the old finish coming up in a thick, grayish sludge.
Pay extra attention to the corners and the edges near the baseboards. The machine usually can't reach those spots perfectly, so you'll probably have to get down on your hands and knees with a small scrub pad or a putty knife to scrape the gunk out of the crevices. It's tedious, but if you leave old wax in the corners, the whole room will look "framed" in yellow when you're done.
Dealing with the sludge
Once you've scrubbed the whole section, you're left with a literal mess of liquefied wax and chemicals. This is where a wet-dry vacuum is worth its weight in gold. You can use a mop and a bucket to pick it up, but you'll be rinsing that mop every thirty seconds and it'll take forever. A vacuum sucks it all up in one pass.
After you've vacuumed up the sludge, look at the floor while it's still damp. If you see any shiny patches, that means there's still wax there. You might have to hit those spots again with a bit more stripper. It's better to do a second pass now than to realize you missed a spot after you've already started the final rinsing process.
The rinse is more important than you think
You might think you're done once the wax is gone, but you're not. You have to rinse the floor—and then rinse it again. Stripping chemicals are very alkaline. If you leave any residue behind, the new wax or finish you put down won't stick. It'll peel, flake, or stay tacky forever.
Many people use a floor neutralizer in their rinse water. It's a mild acid that balances out the pH of the stripper. If you don't have that, a tiny splash of white vinegar in a big bucket of clean water can work in a pinch. Mop the whole floor with the clean water, then dump the bucket and do it one more time with fresh water. When you can run your hand across the dry floor and it doesn't feel slippery or soapy, you've done it right.
Letting it dry and final checks
Don't rush to put the furniture back. The floor needs to be 100% bone-dry. Usually, this takes at least an hour, maybe more if it's humid out. While it's drying, take a look at your baseboards and see if any splash-back happened. Wipe down any drips before they dry.
Once the floor is dry, it should have a flat, matte look. It won't look pretty yet—it'll look "thirsty." That's exactly what you want. It means the pores of the tile are open and ready to grab onto the new sealer or finish. If it looks uniform and clean, you've successfully figured out how to strip the floor like a pro.
A few tips to make it easier next time
Striping is a "once every few years" kind of job if you maintain the floor properly. To avoid doing this again in six months, make sure you use a good quality sealer before you apply your top coats of wax. Also, stop using those "mop and shine" products you find at the grocery store. They often contain wax that builds up unevenly and turns yellow faster than professional-grade finishes.
Clean your tools immediately after you're done. Stripper is hard on mop heads and vacuum hoses. Flush everything out with plenty of water. If you used a floor machine, take the pad off and rinse it out, or just toss it if it's completely gunked up. Now that the hard part is over, you can move on to the satisfying part: putting down the new finish and watching that floor finally look brand new again. It's a lot of work, but when you see that mirror-like reflection, you'll know it was worth the effort.