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Fibreglass Ponds

  1. G4 Damp Seal

    G4 Sealer, also referred to as G4 Damp Seal is a brown, translucent, polyurethane which hardens when in contact with moisture. Once applied, it will provide a tough damp-proof seal for most porous and non-porous substrates such as concrete, brick, stone or wood.

    Application of G4 Damp Seal

    G4 can be applied with a brush or roller. It can be applied to substrates which contain moisture, although it is important to note that the area should be dry enough to be porous. If the area is too damp, this can cause the G4 to de-laminate or blister. Once the area is dry enough to be porous, this will ensure that the first application of the G4 sealer will adhere to the surface area. G4 should not be used in temperatures below zero degrees.

    Ideally, the area should be free from all existing coatings and wiped down with Acetone before application. However, if this is not possible the adhesion will depend on the existing coating. If applying to brick, any loose pointing should be removed before G4 is applied.

    It is also important to note that G4 is not effective in areas of direct UV light; therefore if UV resistance is required a topcoat should be used to enhance UV protection.

    After the G4 is applied, we recommend that brushes are cleaned immediately with Acetone and then dried.

    Uses of G4 Damp Seal

    G4 Damp Seal can be used for coating walls, floors and as a pre-coat for fibreglass roof builds and ponds.

    Ponds

    In the case of 

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  2. Lining a Fish Pond with Fibreglass

    Why choose Fibreglass for Pond Lining?

    Using fibreglass/grp to build a pond is one of the most reliable, efficient and most of all durable processes on the market for pond building. Once the right technique has been followed and materials applied correctly, a fibreglass pond can last in excess of 20 years. Choosing fibreglass for your pond will leave you with a smooth surface once topcoat has been applied which will act as a sealant. Once the matting is cured underneath it will work in tandem with the concrete structure of the pond to provide strength.

    Completed Fibreglass Garden Pond

    Getting started

    Ponds are generally constructed with a reinforced concrete base and with reinforced concrete block walls and is rendered/plastered to provide a flat surface for the fibreglass to be laminated onto. The vertical and horizontal corners in the pond require a slight radius so that the fibreglass sits properly, and the surfaces should be free from sharp points as this will make it more difficult to lay the fibreglass matting onto the walls and base.

    Before commencing any fibreglass pond repair or construction the weather must be taken into consideration. Work should be carried out during mild, dry conditions. The optimum temperature for any fibreglass work is 17°C. When all the structural work is complete, the plaster must be left to dry out thoroughly. Leave a dry section for access in and out of the pond, finish this area last. Start by laminating the walls coming down approximately 100mm onto floor space, while the walls are curing finish with the floor.

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