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Clearpond LogoClearpond - "Pond Shield Pro" pond sealer

Pond Shield Pro

Pond Shield Pro is a two component water based epoxy polyamide membrane/barrier coating. Approved for use with potable (drinking) water, independent testing confirms conformity with the requirements of AS4020.2000 & BS6920.

Pond Shield Pro can be applied directly to most substrates including brick, concrete, renders, some natural stone, timber, water features and statues.

Surface preparation
All surfaces to be treated must be structurally sound; and existing coatings, adhesives, efflorescence should be removed to achieve maximum bond strength and resistance to hydrostatic pressure. Surfaces must be cleaned free of dirt, grease, oil, or other surface contaminants.

Holes, non structural cracks or other surface deformities should be filled with an epoxy mortar or concrete repair systems and allowed to cure for 2 - 3 hours before coating is applied.


  • Non flammable & negligible odour.
  • Can be applied to damp surfaces.
  • Can be safely applied to freshly laid hardened (green) concrete.
  • Conforms to requirements of the Building Code of Australia as a waterproofing membrane.
  • Conforms to the requirements of Australian standard 4020 - 2000 and British Standard 6920 for use in contact with potable water.
  • When applied directly to the substrate the cured membrane will withstand 250 kPa of hydrostatic pressure which is equivalent to a 25 metre head of water.
  • When used wet on wet over Pond Shield Pro Bonding Bridge the cured membrane will withstand 400 kPa of pressure which is equivalent to 40 meter head of water.
  • No maximum recoat time provided surface is clean and free from surface contaminants.
  • Can be over coated using almost any decorative or industrial finishing paint.
  • Safe to use in sensitive locations (e.g. around food or habitable areas) and environmentally sound.
  • Prevents rising damp and the formation of efflorescence when used as a single coat barrier coat.
  • Has excellent adhesion to most substrates including brick, masonry, concrete block, concrete, stone and timber.
  • Easy clean up using water.

Aussie saysSuperior - Our thoughts for this type of sealer

Aussie's observations for Pond Shield Pro

Suitable for: Ponds, Water features, Retaining walls, wet area's, tunnels & lift wells.
What was liked: This product is able to be used on many different types of surfaces, including brick, masonry, concrete, stone and timer. Best of all cleaning up after applying can be done with water and detergents. It can be recoated in 4 hours when it is at 25c. With full cure achieved in 7 days.

Less than ideal: Only comes in black,

Pond Seal Colour


Coverage = sq metres per litre Coats
Cure time @ 25 C (days) Substrate moisture content Suitable for fish Price including GST $
Black 4 1.5 2 7 <15% yes $267
Black 20 1.5 2 7 <15% Yes $1,148



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Total shipping per order Only $10 to any Australian Address - Prices Include GST
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Care must be taken to work the material into the surface to fill voids and avoid pin holing. A minimum of two coats is recommended and care should be taken to ensure uniformity of material and the required coverage is maintained. When finishing it is necessary to lay the material onto the surface and lightly finish to achieve the required dry film thickness per coat.

The coverage rate for all surfaces should be a total of 1.5 square metres per litre (3.0 square metres per litre per coat) to achieve optimum properties. In the event that this coverage rate is not achieved in two coats, further coats should be applied to achieve a total uniform coverage rate of 1.5 square metres per litre.

Allow to cure for 24 hours before applying adhesives, mortars, levelling compounds, decorative coatings or other surface treatments. Care is necessary to ensure the waterproofing membrane coating is not damaged in any way during subsequent treatments.

It is recommended that the final coating applied to floor surfaces should be allowed to cure for at least 3 days before further treatment to minimize the risks of mechanical damage.

Safety Precautions
PondShield Pro Part A and Part B are hazardous goods and may cause sensitization by skin contact. They are harmful by inhalation, in contact with skin and if swallowed. Keep containers tightly closed in a well ventilated place. Avoid contact with skin and eyes. It is strongly recommended that protective clothing is worn at all times during use of epoxy material to prevent contact with skin.

Thinning & Clean up
The first coat should be thinned with water, as required depending on the porosity of the surface to be coated (up to 20% for dense surface to 5% for more porous surfaces) to ensure optimum penetration. Thinning of the second coat should be avoided since this increases the difficulty in achieving the required dry film thickness. Wash all equipment in water or water/detergent immediately on completion.