IMPORTANT POOL PAINT TIPS
Do not paint in direct rays of the sun.
Painting a very hot surface in direct sunlight will cause blistering and
pinholes due to a rapid evaporation of the solvents in the paint. For
best results, paint when the sun’s rays are very low and follow the
sun’s rays around the pool painting in the shaded areas as much as
possible. Most applicators find that getting a coat of paint on the pool
very early in the day when the sun is rising and shade is at its greatest
is the best approach to the project. The sun is also not very intense at
this time. The best time to paint is when the temperature is between
65 ºF (18.3 °C) and 90 ºF (32 °C).
Do not paint if rain is expected within 4-6 hours.
Dampness, rain, and excessive humidity will retard paint curing time
required before filling pool.
Do not use muriatic acid on any painted surface.
Muriatic acid should only be used if necessary on bare masonry to get
a slight profile prior to painting.
Prepare painted surfaces adequately.
All glossy surfaces or surfaces previously painted with an epoxy
coating must be sanded completely, using an #80 grit sandpaper to
obtain proper paint adhesion. Remove all sanding dust with clean
damp rags. Doing a test patch first on this type of surface prior to
painting is recommended to ensure adequate adhesion.
Do not apply heavy coats of paint.
This will cause blisters, chalking, peeling and other premature
Do not fill pool before paint has cured.
Provide fans and power ventilation while drying. Allow paint to dry
for a minimum of 5 days after final coat was applied, before filling
Any imperfections such as cracks, holes, and gouges should be filled
with proper patching materials suitable for pool use. Acid etch the
patch according to manufacturer directions. The pool surface to be
painted must be free from all oil, grease, wax, dust, dirt, mildew,
suntan oils, and any other foreign contaminant before painting.
New or Unpainted Concrete Pools:
Pools should not be painted for 60 days after construction is
completed in Pools should not be painted for 60 days after
construction is completed in order for concrete to cure completely.
Clean, bare concrete surfaces should be acid etched with a 10%
muriatic acid solution. (Add 1 gallon of 20% hydrochloric acid to
obtain a 10% solution. Note and precaution: always pour acid into the
water to dilute, NEVER POUR WATER INTO THE ACID TO DILUTE.)
When acid etching you must wear proper protective equipment:
gloves, goggles, mask for fumes, long sleeve and full length pants and
shoes are a minimum.
Brush the acid on the concrete surface using a long handled fiber
scrub brush. Acid solution will start to bubble slightly (effervesce)
as it is working on the surface. When bubbling stops, usually after
about 10-15 minutes, hose down with plenty of clean fresh water,
making sure all acid solution residue is removed. Always work in
small sections at a time. This will prevent the acid from drying on the
Wash concrete with a citrus-based degreaser/cleaner. Rinse well after
cleaning to complete the preparation process. Do not allow the cleaner
to remain on the surface for more than 15 minutes. Do not use a soap
based cleaner on bare concrete surfaces as it will leave a residue on
the surface. Properly prepared surface should feel like fine sand paper
The pool must be allowed to dry thoroughly for 24 hours after cleaning
prior to the application of pool paint. Surfaces may be damp when
applying paint (A damp surface is when no free water appears on the
palm of the hand after pressing on the pool surface).
Previously Painted Concrete Pools:
The pool surface to be painted must be free from all oil, grease, wax,
dust, dirt, mildew, suntan oils, and any other foreign contaminant
before painting. All loose scaling or peeling paint or badly deteriorated
surfaces must be sand blasted for proper paint removal and
preparation. All holes, cracks, surface breaks or gouges must be
prepared using proper patching materials. Most repair products are
available from your local pool supply store. Wash all surfaces with a
citrus based degreaser/cleaner. Pay special attention around the water
line (top 2 feet of pool) and any steps which are to be painted. These
areas tend to accumulate the greatest amount of floating oils residue
and other contaminants like suntan lotions and dirt.
The use of a high pressure washer is extremely helpful but scrubbing
the waterline area and steps is required to properly prepare the
surface. When using a high pressure washer use a low pressure
setting to avoid damaging the pool surface. Rinse thoroughly after
cleaning. All glossy surfaces should be sanded to obtain adequate
adhesion of the new pool paint. Pools that have been painted with
water thinned cement type paint must be sandblasted.
Thin paint approximately 10-15% by volume using clean water. Always
mix paint thoroughly and box all gallons to ensure color uniformity.
Conventional Air: 50 to 90 PSI. Tip size 765 cap and E needle.
Airless Spray: 2000-2500 PSI. Tip size .013 to .017.
Under normal circumstances, average spreading rate is 250-300 sq.
ft. (23.2-27.9 sq. meters) per gallon. Material loss during application
and mixing will vary by project but should be taken into consideration
when estimating the project requirements.
The following Chart will give approximate swimming pool paint
required for 2 coats at the recommended spread rate.
Pool Size Gallons Needed
12 x 24 4
15 x 30 6
20 x 40 9
25 x 45 13
25 x 100 27
30 x 60 20
40 x 100 38
CLEANING APPLICATION TOOLS
Clean all exposed skin areas and application tools with warm, soapy
water as soon as possible after application.