Coating Technologies Ltd - Brand Information
Aquatec Product range from Coating Technologies Limited
Water based urethane
coatings for interior surfaces.
Cotec product range from Coating Technologies Limited
Water based paints for interior and exterior uses.
Epotec product range from Coating Technologies Limited
Epoxy coating for use in swimming pools, food processing areas, floors, workshops etc.
Siltec product range from Coating Technologies Limited
Silicone Resin Emulsion Paint ideal for breathing surfaces, such as plaster, render and adobe surfaces.

Cautions

Swimming Pool and Spa, - Cautions

Swimming pools and spas are demanding environments, especially those at elevated temperatures and with mineral waters. Successful coating with Epotec requires care. Surface cleaning is critical for good adhesion.
Below we highlight some important factors, however do contact Coating Technologies if you have any concerns.
Refer to Painting Specifications on the Left Hand Panel for more detailed information.

Expansion Joints and Stress Cracks

There are a range of sealants for use with Epotec High Build Epoxy. It is important to seek advice from the manufacturer on the use of specific sealants for underwater or above water situations.

Cautions

Epotec High Build Epoxy is a membrane coating. When painting pools with this type of coating, two types of blistering may sometimes occur;

Osmotic Blistering: This form of blistering is most serious and is caused by salts present in the surface of the substrate. It can occur in both concrete and fibreglass substrates and has little to do with the type of membrane coating used. Osmotic, or chemical blisters usually occur after 4 - 6 months in varying degrees of severity. Proper acid etching will minimise this problem but if it occurs consult CTL's Technical Services Department for advice. Osmotic blisters are characterised by being full of water with a pH greater than 12.

General Blistering: This form of blistering is generally due to insufficient preparation of the surface, or contaminants present on the surface prior to painting.

Should these types of blistering occur, it is necessary to grind back the affected area using a course disc machine grinder or sander, touch-up with Epotec High Build Epoxy and re-coat the entire area to even out the surface colour.

Unsuitable Pool Types

Epotec High Build Epoxy is NOT SUITABLE for use on fibreglass reinforced cement spa pools, polyethylene, acrylic and white marble plaster surfaces.

Seek Advice

Seek advice prior to painting if your pool is:


  • More than 10 years old

  • Shows visible cracks and/or rust staining

  • Has a marble plaster surface

  • Surface shows visible algae contamination

  • If you are uncertain about any step of the way.

For further safety directions, advice and information, please contact the CTL Technical Services Department on 09 - 837 0897 or facsimile 09 - 837 3736 or use the Contact Us form.