April 26, 20215 yr We need to hire a machine to sand off the top hard crust on our poured liquid concrete screed. The instructions from the firm that poured tell us to grind it off with a diamond floor sander. The only one I can find to hire should not be used in an indoor environment due to carbon monoxide fumes. Would it be safe, do we think, if all the doors and windows are open? There is no ceiling yet. It is a bungalow.
April 26, 20215 yr Sounds a bit savage. I did ours with an electric rotary sander (hired for £50 from the screeders). It's not a particularly quick job, so I wouldn't want to be working with the noise and fumes of a petrol engine tbh.
April 26, 20215 yr No you definitely need an electric one. Like this https://www.hss.com/hire/p/htc-gl270-grinder or https://www.hirestation.co.uk/tool-hire/Building/Floor-Grinder-Hire/130040/
April 26, 20215 yr Author The flow screed contractor tells me we will need three diamond discs to go with the str701.
April 26, 20215 yr 37 minutes ago, patp said: The flow screed contractor tells me we will need three diamond discs to go with the str701. You will need diamond disks anyway to grind a large flat surface
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