If you’re mixing plaster day in, day out, you don’t want a cheap DIY drill pretending to be a mixer. The Refina MM19 is a proper site mixer — strong gearbox, steady torque and built to handle full bags without labouring.
This is the 1050W Megamixer most plasterers use for:
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Finish and backing plaster
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Bonding & drywall adhesive
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Thin coat render & silicone topcoat
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Floor screed and repair mortars
It’ll comfortably mix 1–2 bags at a time when used properly with the 130mm spiral paddle. The torque is what makes the difference — it doesn’t kick and snatch like cheaper mixers. It pulls the mix through clean and consistent, especially important with modern polymer renders.
Why lads rate the MM19:
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1050W high-torque motor – handles thick material without burning out
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Approx. 450rpm speed – ideal for plaster and render
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Strong D-handle design – better control when mixing heavier loads
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110V or 240V options – site or domestic use
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Supplied with 130mm spiral paddle
It weighs around 3kg so it’s not overly heavy, but still solid enough to feel planted when you're mixing a stiff batch.
If you're doing silicone thin coat, topcoat, bonding or even screed repairs, this mixer is more than capable. Keep your paddle clean, don’t overload it, and it’ll last years.
Specifications
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1050W motor
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Approx. 450rpm
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130mm mixing paddle
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Suitable for 25kg–50kg mixes
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Available in 110V or 240V
If you’re after a proper plaster mixing drill that’s proven on site and not just something that looks good in a catalogue, the MM19 is a safe bet.
