Angle beads are often found internally on external corners to prevent corner
damage around doors, windows and on external exposed corners. These beads are
often made from galvanized steel which can rust in certain conditions.
This angle bead above this window has considerable rust on the left-hand side.
Unfortunately you cannot just paint all over this we are going to have to do
something that is a little more difficult. To start with we need to
remove any loose plaster and the plaster from the affected area. This will expose
the rusty part of the angle bead and will allow us to treat it.
I'm using a sharp scraper to remove the plaster but you may need to use a hammer and a
chisel if the plaster is too tough.
Now I have removed the affected plaster I'm giving the galvanized bead a bush
with a wire brush.
This will remove any loose particles.
It's now time to treat
the rust so I'm using a small brush to apply a rust converter. This chemically
changed the metal and enables it to be painted over once it is dry.
When the rust converter has dried I can then fill the damaged area. To do this
I'm using Gyproc Easi-Fill 20.
This is being applied using a filling knife so that it is flush with the
surrounding area. Don't worry if you apply too much of this product it can easily be
sanding once it is dry.
Now the filler has dried it's time to give it a light sanding using a sanding
block, so that it is smooth and flush with the surrounding area.
Wipe off any dust using a damp cloth.
It's now time to prime the area so I'm using Zinsser Cover Stain which is a
quality oil-based product. You can now apply this with a brush or a roller
but ensure you feather out the edges if you are only patch priming the area.
In this case the wall was going to be papered but then the person doing the
papering decided it was too difficult and so I ended up painting the entire wall.
Around the window I applied two coats of Cover Stain to cover up the deep green
color, then I applied two coats of Zinsser Perma White. Once finished it
looks like this.
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