46 artistApril 2021 http://www.painters-online.co.uk
OIL PAINTING MATERIALS & TECHNIQUES: 3RD OF 4
S
cumbling and glazing are two
traditional techniques that will
increase the visual interest
in an oil painting; both were
used extensively by JMW Turner but
they are as relevant today as they
were then. They can, if used correctly
and selectively, help to create greater
interest in a painting, and aren’t too
Scumbling and
glazing
This month Alan Bickley focuses on a few traditional techniques
that will help to add interest to your oil paintings
difficult to master with a bit of practice.
Scumbling
Scumbling is a dry and broken
application of paint that involves
dragging fairly dry and sticky paint
over an existing layer of (preferably)
dry colour. It’s generally more effective
optically if you scumble a lighter colour
over a darker one, and a warm colour
over cool, although this doesn’t have to
be the case.
The result will leave the lower area
of colour exposed – complementary
colours work particularly well. If
necessary, you can add your paint to
a piece of absorbent material such as
unwaxed cardboard; any surplus oils
will leach out to give a drier consistency
of paint that will drag over the surface
and break up far more easily.
Use a large flat brush – I find that a
stiff hog bristle brush works well – then
lightly drag your loaded brush across
the area to be scumbled, keeping it
fairly flat to the canvas. A painting knife
will also give you some interesting
textures, and you can thicken your oil
paint with a pinch or two of chalk dust if
you find that it’s too wet.
Glazing
The second of these useful techniques
is glazing, which is often used in
combination with scumbling – these
two techniques complement each
other rather well. Glazing is a method
t This close-up shows how scumbling can
be used for sky and land