Warehouse floors take a real beating from heavy machinery, so I recommend PU...
https://web-wiki.win/index.php/Industrial_Floor_Paint_Costs:_Is_%C2%A315-%C2%A330_per_Sqm_Realistic_in_the_UK%3F
Warehouse floors take a real beating from heavy machinery, so I recommend PU concrete for these busy zones. It stands up to impact and chemical spills effectively. Budget £50-£90 per sqm depending on the prep needed