World of Concrete opens each January in Las Vegas, and the tool brands use the show to preview the equipment they will ship over the following year. The 2026 event followed the usual pattern: masonry-focused launches, plus a general preview of where cordless technology is heading. For contractors, the announcements matter less as news and more as a signal of what will be available, at what power level, and at what price. The new concrete and masonry tools announced at World of Concrete 2022 make a useful baseline for comparing how quickly the category has moved since.
Cut-Off Saws: Cutting Old Concrete Before the New Pour
Cut-off saws do the straight-line work that hammers cannot: cutting control joints, trimming slab edges, and slicing out damaged sections before a repair. Cordless models have closed most of the gap to gas saws in cutting speed while removing fuel mixing, pull-starting, and exhaust fumes from the equation. For crews that cut indoors or near occupied spaces, that last point is decisive.
Blade Size and Cutting Depth
Blade diameter sets the maximum depth of cut. A 12-inch blade reaches about 4 to 5 inches, enough for most slab work, while a 14-inch blade reaches deeper for footing and wall cuts. Thick-kerf blades remove more material and run hotter; thin-kerf blades cut faster and waste less concrete, and the trade-off shows up in blade life. Diamond blades cut concrete with a worn-in edge, so a new blade needs a short break-in pass before it hits full speed.
When Gas Still Makes Sense
Continuous production cutting on large flatwork can still favor gas power, because refueling is faster than swapping batteries. The crossover point usually lands somewhere around a few hours of continuous cutting per day. Cordless saws shine on smaller jobs, indoor work, and anywhere a fuel can is a liability.
The removal work matters because a repair only lasts as long as its preparation. The process for how to pour new concrete over an old concrete surface depends on getting the cutting and demolition done cleanly first, and the saw is the tool that keeps those cuts straight and square.
- Control joints cut to about one quarter of the slab depth, typically spaced every 10 to 15 feet on large flatwork.
- Saw-cut edges around a damaged section before breaking it out, so the repair line stays clean.
- Chases for plumbing and electrical routed with a deeper blade pass and a chisel cleanup.
Demolition Hammers: Gas-Class Power in a Cordless Body
The headline numbers from the 2026 show were the impact energy figures. One new hex-shank demolition hammer is rated up to 45 joules, roughly 33 ft-lbs, which puts it in gas-breaker territory. A generation ago that level of energy came only from a corded tool or a compressor-driven breaker, and the cordless version changes how crews schedule the work.
| Power source | Impact energy range | Setup time | Runtime limit | Noise level |
|---|---|---|---|---|
| Cordless breaker | 8 to 45 joules | Trigger and go | Battery swaps every 30 to 60 minutes under load | Lower than gas |
| Corded electric breaker | 15 to 50 joules | Needs a 15 amp circuit and extension cord | Unlimited while plugged in | Medium |
| Gas breaker | 30 to 60 joules | Fuel mix, pull start, warm-up | Tank lasts 30 to 60 minutes | Highest |
Independent testers track these launches closely, and the new tools coverage from Pro Tool Reviews catalogs the same announcements with hands-on numbers. Reading two or three sources beats trusting a single spec sheet, because impact energy is measured at the tool, not at the bit, and mounting systems change the number.
Joules vs Foot-Pounds
Impact energy gets quoted in both units, and the conversion is straightforward: 1 joule equals about 0.74 ft-lbs, so 45 joules is roughly 33 ft-lbs. The number describes a single strike, not the rate of work. Two hammers with the same impact energy can remove concrete at very different speeds depending on blows per minute and bit sharpness.
Mounting standards matter on breakers. Hex shank hammers accept the widest range of chisels and are common in the gas-class cordless models, while SDS Max hammers share bits with rotary hammers already on the shelf. Check which chisels the rental yard stocks before you standardize a crew around one system.
Demolish or Bond: Choosing the Removal Strategy
The biggest hammer is not always the right answer. When a slab is sound but the top surface is failing, bonding a repair layer can save the structure and most of the demolition cost. The decision depends on the depth of the damage, the traffic the surface will carry, and whether the existing concrete is clean and absorptive enough to accept a bond.
The technical steps for how to bond new concrete to hardened concrete explain those surface requirements in detail, and they are worth reading before you quote a job that looks like a full tear-out. The tools change with the strategy: a bonded repair needs grinders, shot blasters, and vacuum equipment, while a tear-out needs breakers and loaders.
| Condition | Recommended approach | Tools involved |
|---|---|---|
| Surface spalling limited to the top layer | Bonded overlay after shot blasting and cleaning | Grinder, shot blaster, vacuum |
| Cracks wider than 1/8 inch running full depth | Full removal and replacement | Breaker, cut-off saw, loader |
| Isolated damaged section on a sound slab | Saw-cut the section and patch it | Cut-off saw, breaker, small mixer |
Fastening and Finishing Tools on the Concrete Jobsite
Beyond the heavy hammers, the 2026 announcements included fastening and finishing tools that fill out the concrete crew’s arsenal. A battery-powered duplex nailer handles formwork and temporary bracing without an air compressor on the pour deck, and a cordless chemical sprayer applies curing compounds and release agents at up to 150 PSI and 0.8 gallons per minute.
Duplex Nailers for Formwork
Duplex nails carry a double head so formwork can be stripped quickly and the nails pulled with a claw. A collated battery nailer removes the hose and compressor from the form table, which shortens setup time and clears floor space for the crew. Weight and balance matter when the nailer rides on a wall for hours at a time. Duplex nails also pull faster than screw fasteners when the forms come down, and the collated strips keep one hand free on the ladder.
These supporting tools rarely make the same headlines as the breakers, but they show up on every pour day. The annual concrete industry show is where contractors can compare them side by side, and the demo areas let you test the ergonomics that spec sheets cannot convey.
The sprayer side of the category pays for itself in coverage speed. At 0.8 gallons per minute, a sprayer covers a residential slab in minutes, and the same unit handles bond breakers on tilt-up panels and sealers on finished floors. Tank size sets the pace: larger tanks mean fewer refills and fewer stops in the middle of a cure window.
Battery Platforms and Portable Power
Every new tool announcement comes attached to a battery platform, and the platforms keep consolidating. The 2026 show included a 3600 W power supply with a 6 kWh storage capacity that can run chargers, lights, and small tools on sites without grid power. For concrete crews, that matters more than most tool launches, because curing lights, vibrators, and chargers all draw from the same source.
- Count the tools you already own on the platform.
- Check the high-capacity battery options for high-draw tools.
- Look at the charger lineup and published charge times.
- Estimate the cost of a spare battery kit for the two or three tools used daily.
- Confirm the warranty terms and the service network in your region.
Charge time is the number to check before committing. A 12 Ah pack on a standard charger can take two hours; a rapid charger cuts that below one hour. On a pour day, that difference decides whether the crew owns two batteries or four.
A platform decision made now will shape purchases for years, and the show is the cheapest place to see the full lineup in one room.
Turning Announcements Into Buying Decisions
Show announcements are the start of the buying cycle, not the end. Tools ship in waves over the following months, early reviews surface, and prices settle. Contractors who tracked previous cycles have an advantage, and the World of Concrete Las Vegas lessons from industry trade shows cover how to turn show-floor research into a purchasing plan.
- Is the tool class sized for the volume of work you actually do?
- What batteries does it need, and what do those packs cost?
- What does the dust solution add to the price?
- When does the tool ship, and are early units available?
- What does the warranty cover, and who services it locally?
The same discipline applies every year: match the tool class to the task, convert the specs into jobsite numbers, and compare the options against the World of Concrete show insights before you order. The launches will keep coming, but the tools that pay for themselves are the ones chosen on data rather than momentum.