Sand any particularly bad areas of concrete with rough grit sandpaper.
How to smooth concrete wall.
Allow the area to dry.
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.
On porous walls wet the wall surface with a fine spray mist or.
Place an old screen over a wheelbarrow.
Trowel a 3 8 inch.
Pour about 10 pounds of dry sand on the screen and shake it back and forth to.
Find some sort of amazing undercoat which also fills in the uneven bits.
Wash down the concrete wall with a pressure washer to get rid of dirt debris and oil stains.
How to smooth a concrete wall finish 1.
Pour half of the.
Floating removes the marks left by edging and brings the surface one step closer to a final finish.
Then remove the tape.
How to smooth a concrete wall finish step 1.
Roll liquid concrete bonding agent over the surface of the wall in fairly straight lines using a short napped.
Attempt to skim use some sort of putty and a window wiper to apply a thin layer onto the wall.
Do not try to make the wall level.
Add gallon of fortifier per 50 pound bag of surface bonding cement.
Nonporous surface such as smooth concrete brick or terra cotta tile substitute quikrete concrete acrylic fortifier as part of the mix liquid.
Smooth the surface with a steel trowel after it s partially hardened.
Cover any items such as furniture that will remain in.
How to skim coat concrete walls.
Seems pretty difficult to get an all over smooth finish.
Hold the trowel almost flat and swing it in large overlapping arcs while applying pressure.
Scrape the wall lightly with a 6 inch drywall knife to remove any loose cement or other substances stuck on the.