What tools you need to apply microcement
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You need less than you think. A roller, a trowel, a float, a sander, a vacuum, something to mix with, buckets, and a staple gun if you are doing mesh. That is the job.
Everything on this list comes straight out of the application steps for each product — if a step says roll it, you need a roller; if a step says vacuum, you need a vacuum. Nothing here is a nice-to-have we invented to pad the list out.
The whole list in one place
| Tool | What it is for | Rent or buy |
|---|---|---|
| Roller, frame and tray | Primer (one coat), sealer (roll and back-roll, two coats) | Buy |
| Trowel | Build coat into the mesh, microcement in a cloud | Buy |
| Float | Figure-8 work on the microcement | Buy |
| Staple gun or glue gun | Fastening the mesh — Reinforced only | Borrow or buy |
| Sander (or grinder) | Sanding the primer, the cured coats, and a light sand before sealer | Rent |
| Vacuum | After every single sanding step | Rent or borrow |
| Drill and paddle mixer | Two-part build coat and sealer, and thinning the microcement | Borrow or buy |
| Measuring containers | Part A and Part B, accurately | Buy |
| Buckets | Mixing, water, rinsing | Buy |
| Microfiber cloths | Wiping the surface before primer, and again before sealer | Buy |
| Kiln-dried sand | Broadcast into wet primer and wet build coat | Buy |
Rollers, trays and buckets
Two products get rolled rather than troweled. Primer is single part and ready to use — shake the pail, pour, roll one even coat, no mixing. Sealer is rolled and then back-rolled, two coats.
Both instructions warn against the same thing: heavy spots. Primer should go on uniform with no puddles, sealer evenly with no heavy areas. That is a roller-and-tray problem more than a skill problem — an overloaded roller lays down more than you can even out afterwards. Have a tray, and have enough buckets that you are not rinsing the same one between a two-part mix and clean water.
A trowel and a float, which decide how it looks
These two are the ones that show up in the finish. The build coat gets troweled into the mesh and pulled tight. The microcement gets troweled on in a cloud — irregular strokes, wet edge kept live — and then worked with a float in figure-8 motions.
That figure-8 is not decoration. It is what stops the surface reading as a grid of trowel passes. Coarse is usually applied hand-floated or troweled, and it is the coat where the movement comes from.
We are not going to name a trowel size or a brand here. Size is down to the room and to your hands, and a figure we cannot support is worse than no figure. Buy them rather than rent them — you will use them across every coat of the job, and a rental you are fighting on day two is a bad trade.
Staples or a glue gun, for Reinforced jobs only
If you are doing the Reinforced system — anything wet, anything outdoors, any floor that is not bare concrete, including over old tile — you are laying fiberglass mesh before the build coat. The label gives you two ways to fasten it: staples or a glue gun.
Either is fine. What matters is the next instruction: pull it tight and remove all slack and wrinkles. A wrinkle does not trowel out. It sits under the build coat and telegraphs through the finish. Whichever fastener you pick, pick the one you can work fast enough with to hold tension while you fix it down.
Core jobs skip this entirely — no mesh, no staple gun.
Mixing and measuring
Two of the products are two-part. Build Coat and sealer both say the same two things: measure Part A and Part B accurately, and mix fully. Accurately means containers with markings, not a splash of one into the other.
The microcement is different again — stir it, then add water a little at a time until it is workable. There is no magic ratio printed on the pail for the water, which means you are judging it by feel, which means you want a paddle on a drill rather than a stick. Hand-mixing a bucket to genuinely uniform is slower than you have time for while a wet edge is open.
So: a drill you trust, a paddle that fits it, and a couple of graduated containers. If you already own a drill, this part costs very little.
The sander and the vacuum
Read the application steps and one pair repeats at every stage. Sand the primer, vacuum. Sand or grind before the microcement, vacuum. Light sand before the sealer, vacuum, then wipe with microfiber.
The vacuum is half of each of those instructions, and it is the half people skip. Dust left behind gets bonded into the next coat, and under sealer it reads as haze.
The sander is the one tool on this list genuinely worth renting. You use it in short bursts across a two or three day job, and the microcement stage may want a grinder rather than a sander depending on how the coat came out. Renting lets you match the machine to the surface instead of committing up front.
On grit: we are not printing a number, because the right one depends on how rough your coat is and on whether you want Coarse sanded heavily for smooth to the touch or lightly to help with non-slip. Those are two different jobs with two different answers. We also have no safety data sheet published yet, so we will not be telling you what to wear — treat it as you would any other sanding job until we can put real documentation in front of you.
Rent, buy, or do without
Rent: the sander or grinder, and the vacuum if you do not already own a shop vac. Both are bulky, both get used in bursts, and neither improves by being yours.
Buy: trowel, float, roller and frame, tray, buckets, measuring containers, microfiber cloths, kiln-dried sand. Most of these are small money and all of them are in your hand for hours at a time.
Borrow if you can: the drill, the staple gun or glue gun. These are the tools somebody in your street already owns.
Against a material cost of $1,778 for one of each Core product or $2,676 for Reinforced, the tool spend is small — but it is real, and it is the line people forget when they work out whether a DIY job pencils out. Our breakdown of microcement cost per square foot covers the material side, and the material calculator will tell you how many pails you actually need before you start adding up tools.
One last thing worth saying plainly: none of this requires a certification. Almost all microcement in the US is sold only to certified applicators, which is why the tooling conversation usually happens behind a trade counter. Anyone can buy Microvella — no trade account, no proof you work in the trade.
Microvella ships late 2026. Join the waitlist and we will email you the day it is ready to order.