Concrete grinding

[brightspark]

That was one thought, not quite sure how to do that in concrete and make a tidy job of.

stihsaw and a strait edge will cut a neat drain channel 2blades in saw work well

 

[Pete.]

If you're levelling a floor with the laser don't go too mad. Most floors are up and down all over the place. If you get it within half an inch you'll be doing good. I once had to grind a large plint to within 2mm to hold a rigid-shell coposite water tank and it was a real chore.

 

[123hotchef]

Those are 'interesting' looking tyres.

They look like my old bfg tyres