This document provides instructions for cleaning paint brushes in 6 steps: 1) Scrape off excess paint, 2) Clean water-based paint brushes with warm water and soap, 3) Clean oil-based paint brushes with white spirits, 4) Store brushes wrapped in paper to maintain shape, 5) Brush out hardened bristles with a wire brush, and 6) Soak severely hardened brushes in brush restorer for days to soften. Proper cleaning after each use helps prolong the lifespan of paint brushes.
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How to Correctly Clean Paint Brushes
1. How to Clean &
Care for Paint
Brushes
Professional paint brushes require
proper cleaning to prolong their
lifespan. Follow our expert tips to
care for your paint brushes.
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2. Step 1: Scrape Off Paint Residue
• Use the blunt back of an old
kitchen knife to scrape paint
off the brush.
• An old, unwanted cardboard
box makes the ideal location
for such work.
• Clean the knife afterwards
with a cloth dampened with
white spirits.
3. Step 2: Cleaning Off Water Based
Paint
• Hold the brush under warm
running water.
• When most of the paint is
rinsed away, add a drop of
washing up liquid to the
bristles. Work this in well and
rinse again until the water
runs clear.
• Dry off the brush with a cloth
and store it in a warm, dry
place.
4. Step 3: Cleaning Off Oil Based Paint
• Scuff the bristles on a piece of cardboard or
some old newspaper to remove any
remaining paint.
• Add a splash of white spirits to the bristles
and vigorously scuff the bristles on a fresh
piece of cardboard.
• Repeat this step using a fresh piece of
cardboard each time, until the card shows
only the white spirits and no paint.
• Wash the brush in warm running water,
working washing-up liquid into the bristles.
Rinse until the water runs clear. Dry the
brush in a cloth and store it in a warm, dry
place.
5. Step 4: Store Brushes like a
Professional
• Professional painters like to
wrap their brushes in brown
paper before storage to
protect the shape of the bristle
cluster; tin foil will work also
but the brushes must be
completely dry first as the foil
will stop them drying.
6. Step 5: Brush out Hardened
Brush
• If a brush was not cleaned
properly after its last use, it
will have become hard and
unusable.
• To begin restoring it, lay the
bristles flat on a hard surface
and brush them firmly with a
brass bristled or small wire
brush.
• Start at the base of the bristles
and work toward the tip
teasing out any hard clumps
of paint.
7. Step 6: Soak Hardened Brush
• Drill a hole in the brush handle
as shown, and pass a nail or
piece of wire through.
• Suspend the bristles downward
in a jar, fully immersed in brush
restorer, and leave for a few
days to soften.
• Tip: If the brush bristles are
deformed, the brush may not be
suitable for a finish coat.
Instead keep this brush for
rough work, like metal paint or
undercoating.