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Floating Vibratory Screeds

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Enar
QZ Gas Line Complete

Reference: 48548

Enar

At your place on Monday

zł116.85 tax incl. 95,00 zł tax excl.

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Enar
Enar CHARGER FOR TORNADO E-BATT BATTERY

Reference: 5RSK0002

Enar

Delivery in about 1 day

zł466.00 tax incl. 378,86 zł tax excl.
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- Producent: Enar

A floating vibratory screed is the lightest class of concrete screeding machine: a single aluminium blade, most often 1.5–3.6 m long, with a drive unit mounted on a telescopic handle, pulled across fresh concrete by the operator. Vibration in the range of 80–150 Hz releases trapped air and compacts the top 3–5 cm of the slab, draws cement paste to the surface and closes it before power trowelling begins. One person runs the machine and a complete set weighs some 15–25 kg, which is why it wins over heavy truss designs wherever mobility and quick moves between pour bays decide the pace of work.

The usual drive is a single-cylinder petrol engine of roughly 1 hp (0.7 kW), alongside 230 V electric and battery-powered versions for indoor slabs. This section is built mainly around Enar, Altrad Belle and Wacker Neuson, split into complete vibratory screeds, drive units and motors and screed blades. Below we explain how to match blade length, handle layout and drive type to slab thickness.

How a floating vibratory screed works on fresh concrete

A floating screed needs no side forms and no rails to ride on. The blade glides over the fresh mix while the operator draws it back on a telescopic handle. An eccentric weight driven by the motor vibrates the blade at typically 80–150 Hz (standard EN 12649), pushing air upwards, settling the aggregate and bringing cement paste to the top. Effective compaction reaches roughly the top 3–5 cm.

At 15–25 kg and one operator, this is the dominant tool on garage floors, driveways and slabs in warehouse and industrial buildings. Twisting the handle sets the angle of attack: tilted forward the blade shears off surplus concrete, tilted back it closes the surface before the power trowel.

One handle or two — matching the layout to blade length

Floating screeds come with a single handle bar or a twin-handle frame. This is not a split into performance classes but into control: two handles hold the angle steadier on a long blade, a single bar repositions faster.

Feature	Single handle	Twin handles
Typical blade length	approx. 1.5–2.5 m	approx. 2.5–3.6 m
Work in tight spaces	yes	limited
Operators needed	1	1

Once the blade exceeds roughly 4 m, or the slab is poured between guide rails, the job needs double beam screeds or truss screeds. Every type sits side by side in the vibratory screeds section.

Petrol, electric or battery drive

Petrol engines of roughly 1 hp (0.7 kW) dominate this class for one practical reason: no cable trails across a slab that has just been poured. A 230 V electric unit takes floors inside buildings, where exhaust fumes rule petrol out; battery drives suit short runs with no power on site. The drive is a bolt-on part, so a worn engine is replaced from vibratory screed motors and a battered blade from screed blades. Ready-to-run sets sit under complete vibratory screeds.

Frequently asked questions about floating vibratory screeds

What slab thickness suits a floating vibratory screed?

Vibration from a floating screed reaches roughly the top 3–5 cm, so as the only compacting tool it covers slabs up to about 12–15 cm in a plastic mix. Thicker slabs and reinforced elements need full-depth compaction with an internal concrete vibrator, and the screed then works as a finishing pass. From 20 cm up the order never changes: poker vibrator, screed, power trowel.

What is the difference between a single-handle and a twin-handle screed?

The number of handles describes how the machine is guided, not how much it can do — both versions run with one operator and take blades from the 1.5–3.6 m range. A single bar repositions faster, which pays off on blades up to about 2.5 m and in confined rooms. Twin handles hold the angle of attack more precisely on blades of 2.5–3.6 m. At 15–25 kg per set, the choice comes down to operator comfort and pour geometry.

Why do most floating vibratory screeds run on petrol engines?

Screeding means walking along the edge of a pour, often far from site power, which is why a single-cylinder petrol engine of roughly 1 hp (0.7 kW) is the standard drive. With no cable there is no risk of dragging a lead through fresh concrete, and one tank normally lasts several hours. A 230 V electric drive takes over wherever exhaust fumes are unacceptable, such as warehouses and underground car parks; battery versions cover short runs off mains.

Can a floating vibratory screed replace a power trowel?

These two machines belong to different stages of the pour. The screed runs on wet concrete, straight after spreading: it compacts the top 3–5 cm, strikes off surplus and lifts cement paste to the surface. The power trowel enters once surface water has evaporated, usually several hours later, and gives the floor smoothness and abrasion resistance. Skip the screed and the top layer stays poorly compacted — damage no trowel pass can repair.

Why buy a floating vibratory screed at NORWIT.PL

Concrete equipment is our core business, so floating screeds are stocked with spare blades, drives and wear parts — a worn component is swapped instead of the whole machine. We help match blade length and drive to slab thickness, and the range is rounded out by concrete vibrators and power trowels. Orders are placed online and shipped throughout Poland.