This is a good size area to work in so the drying of the slurry does not go faster then your ability to rub out the wall.
Smooth out concrete wall.
Sand any particularly bad areas of concrete with rough grit sandpaper.
There are basically two methods used to smooth off hardened concrete surfaces.
Do not try to make the wall level.
They are dry grinding and wet rubbing.
Seems pretty difficult to get an all over smooth finish.
Attempt to skim use some sort of putty and a window wiper to apply a thin layer onto the wall.
Will probably dig in and leave a rougher texture though.
This is still true to a great extant.
Dry grinding is done of dry concrete surfaces to remove fins and marks caused by forms.
Smooth the surface with a steel trowel after it s partially hardened.
Belt sander with lots of paper.
Place an old screen over a wheelbarrow.
Diamond head concrete grinder.
How to smooth a concrete wall finish 1.
Wash down the concrete wall with a pressure washer to get rid of dirt debris and oil stains.
Allow the area to dry.
Floating removes the marks left by edging and brings the surface one step closer to a final finish.
Roll liquid concrete bonding agent over the surface of the wall in fairly straight lines using a short napped.
This will be slow and laborious and literally burn through a lot of sandpaper.
Float the concrete when you re done grooving and edging photo 6.
How to smooth a concrete wall finish step 1.
Then remove the tape.
Pour half of the.
Hold the trowel almost flat and swing it in large overlapping arcs while applying pressure.
Apply the slurry to your new concrete wall by holding the trowel blade to the wall so the slurry is pressed onto it and wiping the slurry across the wall with a smooth arcing motion.
Tape a one foot by one foot square of plastic sheeting plastic kitchen wrap will do to the concrete wall in your basement with duct tape and leave it in place for 24 hours.
How to smooth out plaster walls or ceiling with a skim coat leah from see jane drill demonstrates how to repair unsightly plaster walls with a skim coat.