In addition to draining the pool you need to degrease the surface using tsp scrub acid etch the plaster then wash and scrub with tsp again before you can paint.
Can you paint a gunite pool.
Br there are also a few tests you can try.
I don t know if that would work but give our paint supplier ramuc paint a call and see what they would suggest.
These are diamondbrite plaster colors from sgm.
The paint that is best for a gunite pool is masonry waterproofing paint such as drylok extreme.
For epoxy paints you also need the pool to dry for up to five days.
Br br the drying or cure time for acrylic pool paint is 5 dry days for outdoor pools and 7 days for indoor pools with proper ventilation.
Follow the instructions provided by the manufacturer of the hydraulic cement patch or crack joint filling.
If the pool has.
Step 9 if the pool surface is previously painted epoxy or bare fiberglass it will need to be abraded to a 80 grit profile.
Water based synthetic paint will dry to an eggshell finish.
If your pool surface is plaster concrete or gunite it should be tested for integrity and repaired before you begin.
If you are looking for information about how to paint a concrete pool then you are likely looking for a less expensive alternative to pool plaster tile or other more expensive interior surface finishes.
Step 1 drain the pool using your submersible pump first.
Depending on the brand you choose your paint job can last up to eight years.
You should know that most concrete pool builders agree that painting is not really a good idea for a concrete pool.
The concern with emptying a gunite pool is that it is like a concrete boat and if the water pressure holding the pool in the ground becomes less than the water hydrostatic pressure in the ground the pool can pop out.
Hiring a pool company to do this for you is a great idea.
The prep and painting process is not difficult but the pool must be cleaned well to remove any grease and scale and it must be dry if using epoxy can be wet with acrylic pool paint and should be painted in early morning or evening when not too hot and not in the direct sun.
You then apply a coat of paint with long even strokes wait six hours and apply another coat.
If the gunite is cracked or popping in places sandblasting may damage the pool more.
It is the least chemical resistant type of paint and the least stain resistant paint available for pools.
Gunite swimming pools can be particularly susceptible to surface staining and damage.
Before you repaint a cement swimming pool you.
Water based synthetic pool paint is not recommended for use on gunite or on a fiberglass pool surface nor should it be used on a hot tub or spa surface.
It would depend on the condition of the gunite and how many layers of paint are underneath.