Sanding Plaster Walls Grit
It s important to note though that sandpaper with a grit of 220 or more is simply unsuitable when it comes to sanding drywall.
Sanding plaster walls grit. 60 to 100 grit range. If you are sanding a patch of plaster used to repair a large hole then you should first make sure the plaster is fully dry. Attach a 60 grit sandpaper to a sanding block to sand rough or textured plaster surfaces. 120 to 220 grit range.
Assess the surface of the wall or ceiling. Apply the filler with a spatula and scrape off any excess. Let the filler to dry then smooth down with a fine sandpaper. Buy precut sheets made to fit your hand sander.
Wait for the spackling or putty to dry according to the manufacturer s instructions then sand with a medium 120 grit sandpaper. Remove the 60 grit paper and attach 80 grit. Coarse grit paper or sanding screens will leave undesirable sanding marks. Fill these in with filler before sanding.
Sanding repairs in plaster and drywall any defects cracks gouges or nail holes that occur in a wall of plaster or drywall can easily be repaired by filling the blemishes with spackling or putty. We recommend 120 grit or 150 grit paper for the best results. 40 to 50 grit range. Note whether it is smooth rough or textured.
Clean the gaps with sugar soap before you fill as any dust could stop the filler sticking to the wall. It s tempting to buy 80 grit paper to speed up the sanding job. 240 to 400 grit range. Sand the wall lightly.
For finishing plaster use a fine grit of 120 for super finishing plaster use an extra fine grit of 180 for ultra finishing plaster use a super fine grit of 240 to 320 product match. But because modern lightweight joint compound is so soft you don t need heavy grit paper to sand it. How to sand plaster step 1.