The video shows how to grind and polish to get a high gloss polished concrete floor with heavily exposed aggregate.
Can you polish old concrete floors.
Then apply 2 thin coats of sealer to the concrete waiting 2 to 4 hours between each coat so it can dry.
While the colour and aggregate distribution may be an unknown quantity until the grinding takes place in most situations the floors can look amazing.
Almost any structurally sound concrete floor whether new or old can be polished.
But there are some exceptions.
Imperfections when polishing an existing concrete floor or any concrete slab it is always difficult to tell what will happen after the first cut is made.
Polishing an existing slab to achieve beautiful polished concrete floors.
With most floors you will start with 16 50 grit metal bonded pads.
To polish concrete start by grinding the surface with a concrete grinder which you can rent at a hardware store.
The concrete polishing steps.
Once you ve finished grinding vacuum up the debris and go over the entire surface with a buffer to smooth it out.
For new floors no special mix design is required to achieve good results.
An alternative solution is to polish the existing slab.
You d be happy to know that any concrete surface can be ground back and polished up.
Polished floors are also easier to maintain because they don t require sealing.
The first cut removes the top layer of concrete and exposes sand and anything else that has been troweled under the concrete.
Can you polish old concrete.
While pouring concrete over an existing slab is possible there are a number of challenges if you choose to go down that route.
In high traffic areas such as doorways and the kitchen polishing the old concrete floors will keep them in good shape.
This may be a less risky option to pouring a new slab over an existing one.
These pads are very aggressive and will clean and even out the surface before the polishing begins.
How to polish old and worn out concrete flooring.
Werkmaster ultraguard concrete sealer.
In most circumstances the answer is yes.