Laitance is a weak milky accumulation of fine particles of cement dust lime and sand fines on the surface of fresh concrete usually caused by an excess of water bleeding to the surface.
Wet sanding concrete floor.
You can use either a floor sander pole sander or a grinder depending on various factors like the.
How to diamond grind a concrete floor to the correct concrete surface profile required before installation of an epoxy or urethane coating.
Clean all the dust.
The best adhesion requires a clean floor free of laitance and contaminants.
As in any diy project the key to an excellent final product lies in proper preparation and having.
Because concrete degreasing products are often applied to damp concrete suit up in protective eyewear clothing and gloves and spray down the floor.
How to grind a concrete floor to accept epoxy paint.
Before you begin sanding remove all furniture from the room.
You can also sand concrete in order to polish it to a high shine.
Be properly equipped with the right tools before you tackle the job.
How to sand a concrete floor equipment and supply needs.
If dealing with a large space it is crucial to work in sections particularly when sanding by.
Sweep or vacuum the floor to remove loose.
Sanding a concrete floor may be necessary to remove stains or to give the floor some extra texture before painting.
Whatever the reason sanding concrete can be a back breaking and messy chore.
Rent a professional floor buffer or sander.
The principle to follow is to use a.
On patio and garage floors which can dry out.
Cleaning and leveling along the way.
Safety becomes an even greater issue when there is both human and forklift traffic in the same area.
Wet warehouse floor being steel shot blasted.
This condition is an especially dangerous concrete floor if it is inside a factory or a warehouse that has steel troweled concrete.
Your sandpaper choice.
You ll need coarse grit fine grit and.
Rinse the floor thoroughly then use a.
For deeper cleaning rent a rotary floor scrubber with and abrasive pad designed for concrete and use it to apply trisodium phosphate or tsp to the floor.