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Slurry Vacuums

Slurry vacuums handle wet concrete grinding, polishing, saw cutting and core drilling at 114 CFM and 124 inches of lift. Drum-mounted on 30 or 55 gallon drums, as toppers, complete systems or carts.

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Dustless H0902 vacuum – view 2
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Dustless H0902 30-Gallon Slurry Vac Topper 120V – 124" Lift, Hose Kit

Dustless Technologies
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H0902 Slurry Topper for 30-Gallon Drums in Confined Work Areas The 30-gallon topper does the same job as the 55-gallon head on a smaller drum, whic...

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Dustless H0908 vacuum – front
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Dustless H0908 30-Gallon Slurry Vacuum System – 114 CFM, 124" Water Lift

Dustless Technologies
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H0908 Slurry Vacuum for Crews Working Tight Interior Spaces Same suction as the 55-gallon system in a footprint that fits through a doorway. The H0...

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Dustless H0904 vacuum – view 2
Dustless H0904 vacuum – front
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Dustless H0904 55-Gallon Slurry Vacuum System – 114 CFM, 124" Water Lift

Dustless Technologies
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H0904 Slurry Vacuum System for Wet Concrete Cutting and Grinding Wet cutting keeps silica out of the air, then leaves several gallons of slurry on ...

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Dustless H0901 vacuum – view 2
Dustless H0901 vacuum – front
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Dustless H0901 55-Gallon Slurry Vac Topper 120V – 114 CFM, Hose Included

Dustless Technologies
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Delivers in 4–10 business days

H0901 Slurry Topper for Contractors Who Already Own Drums The topper is the powered head of the slurry system without the drum underneath it. If a ...

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Slurry Vacuums for Concrete Grinding, Polishing and Core Drilling

What Is a Slurry Vacuum?

A slurry vacuum recovers the wet mix of water and concrete fines that wet grinding, polishing, saw cutting and core drilling leave on the floor. A standard wet vac fills its tank in minutes on that work and then has to be carried and poured out. A slurry vacuum instead mounts its motor and filter assembly onto a 30- or 55-gallon drum, so the drum is the tank. When it fills, the crew rolls it out and drains it from the bottom rather than wrestling a full vacuum body. The machines here run 114 CFM at 124 inches of lift on 120V, with a 25-foot hose and a 15-foot cord, which covers most of a bay without moving the drum.

Do You Need a 30-Gallon or a 55-Gallon Slurry Vacuum?

Volume of water decides it, not floor area. Core drilling and edge work generate slurry in bursts, and a 30-gallon drum stays movable by one person when it is full, which matters on upper floors and in buildings with a single service elevator. Continuous wet polishing on open slab fills 30 gallons faster than a crew wants to stop, so 55 gallons is the usual choice there. Weight is the real constraint: slurry runs heavier than water, and a full 55-gallon drum is a two-person move without the cart. Both sizes take the same motor assembly, so a shop running one of each keeps a single set of spares.

Related: Dustless Technologies · Dust Shrouds · Wet/Dry Vacuums · Commercial Vacuums

What Is the Difference Between a Slurry Vac Topper and a Complete System?

A topper is the motor, filter and lid assembly on its own, priced for a crew that already has drums on site or buys them locally. A complete system ships the topper with the matching drum and rolling cart, which is what most first purchases need. The drums and carts are also sold separately here, so a second drum lets one crew keep working while the first is drained. Wet methods and vacuum recovery are the controls OSHA's respirable crystalline silica standard pairs with concrete cutting and polishing. Recovered slurry is caustic and does not belong in a storm drain, so plan disposal against EPA construction stormwater requirements before the first drum fills.

Frequently Asked Questions

What is a slurry vacuum used for?
Recovering the water and concrete fines left by wet grinding, polishing, saw cutting and core drilling. It mounts onto a 30- or 55-gallon drum so the drum holds the slurry instead of a vacuum tank, which is what makes it practical on continuous wet work.
Can I use a regular wet/dry vacuum for concrete slurry?
For a small job, briefly. Slurry is heavy, abrasive and sets hard, so it fills a shop vac tank fast and damages filters and impellers not built for it. Continuous wet work needs a drum-based machine with a filter assembly rated for the load.
What size slurry vacuum do I need?
Match it to how fast you generate water, not floor size. Core drilling and edge work suit a 30-gallon drum that one person can still move. Continuous slab polishing runs 55 gallons so the crew stops less often.
What is the difference between a slurry vac topper and a system?
The topper is the motor, filter and lid assembly alone, for crews that already have drums. The complete system adds the matching drum and rolling cart. Drums and carts are also available separately as spares.
How do you dispose of concrete slurry?
Not down a storm drain. Concrete slurry is highly alkaline and is regulated as a construction discharge, so it is normally settled out, with the solids handled as waste and the water pH-adjusted or hauled. Check your state and local requirements before the job.
Do slurry vacuums help with OSHA silica compliance?
Wet cutting plus vacuum recovery is one of the control methods OSHA Table 1 pairs with concrete work. The vacuum handles the resulting slurry; the water suppresses the airborne dust. Neither alone covers a dry-cutting task.

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