Wooden Bung Removal
Wooden Bung Removal, some tips on how to clear those wooden
plugs covering the fastenings when restoring or repairing a wooden
boat's planking, decks or other joinery.
As well as keeping heads of fasteners covered for aesthetic reasons
bungs or plugs keep the heads of fastenings protected.
First locate and uncover bungs
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removing a plank or any piece of joinery or trim it is necessary to
find and remove all the fastenings.
And to access the screws means removing all the bung
If they have been inserted using shellac or putty then removal
shouldn't be too difficult.
However if they have been glued in particularly if epoxy has
been used then getting them out can be a problem.
If the plank or trim is going to be completely replaced then
some damage to the surface isn't a problem.
But if you want to reuse the piece the last thing you need is
damage to the edges of the bung hole.
It is always best to sand the area down to raw wood first, it
makes finding the bungs easier and reduces the risk the edge of the
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Bung Removal, the Easy Ones
Most bungs should, unless epoxied, be
removable like corks from a wine bottle.
As it's unlikely that you will be able to screw a corkscrew
into them, you can get the same effect using an awl, unfortunately this
will only work for the very easiest ones.
If that doesn't work the next stage of bung removal up is to
Drill a pilot hole in the center of the
Screw in the woodscrew until its point bottoms out on the
Keep on turning the screw slowly and with a bit of luck the
plug should start to ride up the threads.
Alternatively it may simply split the plug into a few pieces
but these can easily be cleared.
Should a piece of the hole surrounding wood crack or chip out,
glue it back in right away.
If the piece of joinery is to be reused and re-plugged, the
hole will usually need to be cleaned out.
A chisel will usually be sufficient to clear the edges of the
hole but care is needed to keep the sides of the hole flush and
You can use a drill preferably a hand drill so you have more
control and are less likely to cause damage.
However as long as any damage is not too severe you can always
drill out a larger bung hole.
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Removing the Difficult Well Glued In Ones
Bung Removal for
ones that are glued in solidly may require you to resort to using a Forstner
drill bit and a chisel.
bits are designed primarily for cutting out flat-bottomed holes with
very smooth sides.
However the cutting head has a very small center point so, to
help start them centered use a center punch or awl.
Using a forstner bit that is smaller than the bung size, drill
out the center of the bung.
Be careful to keep the drill at right angles to the surface so
you go straight down the bung.
Go gently and stop as soon as the bit bottoms out on the head
of the fastener, try not to damage either the bit or the head of the
It should now be relatively easy to clean out the remains of
the bung with a chisel.
If you use an old or cheap chisel you can use this to clean
any gunge out of the screw slot.
This is when you will be glad that a proper slotted screw was
Once the head of the fastener is exposed, there should be
enough room to insert a screwdriver into the screw slot and carefully
back the screw out.
Once the holes are clean you will be able to refasten the
and then refinish the wood. insert
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This is for near the keel …