There are two things you can do fix the rough finish.
How to smooth rough concrete floor.
Possibly the floor was somehow damaged is rough or uneven or was poured poorly in the first place.
Pour it into the low spots on the floor and use the trowel to smooth it over the surface.
The chances are that when you do acid etch the calcium sulphate will be removed from the surface and leave you with a more porous surface which in essence equates to being more rough.
Create a smooth and long lasting surface with watco flowtop.
Using a grinder like a werkmaster concrete floor grinder grind down with 16 30 40 70 80 grit bonding to get the floor to the flattest surface.
Wash away any ingrained dirt with a damp mop using a ph neutral cleanser and warm water.
This tough pourable resurfacer restores rough or damaged concrete to a heavy duty surface suitab.
If you have not acid etched the concrete yet then you are in luck.
Spread the resurfacing compound across the floor with an industrial squeegee.
Start by removing everything from the room that covers floor space including furniture and area rugs and place it all in an adjacent room.
Begin with the highest number of grit and move to the lower numbers as necessary.
One is you could grind or polish the surface which would remove the rough broom finish and smooth the surface of the concrete.
And beautiful smooth concrete has a special glean to it.
The next step is to remove any metal tooling marks with 50 100 or 200 grit transitional tooling.
Rinse away any cleanser residue with clean water and then allow the concrete to dry completely.
Sweep the floor with a push broom to remove any loose dirt or debris.
Mix it in a bucket according to the manufacturer s directions using the drill and paddle.
Smooth the compound out evenly as you go across the floor.
The work may be challenging but you can turn an uneven damaged concrete floor into a smooth level surface without the cost of a pro.
Some of the aggregate would be exposed giving you a nice smooth decorative look to your sidewalk and patio.
There are many other reasons that you should consider sanding but whatever the reason the process is mostly the same.
Step 1 move furniture.
Regardless a lovely smooth floor is an essential aspect of any room.