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Pool Resurfacing | Osmosis Removal

You may have read on our site that resurfacing your pool with fibreglass is providing your pool a ‘new lease on life’. This project is one of the better examples of this. Once we were able to remove the water and clean the surface enough to assess the condition of the pool, it was apparent that there was a significant presence of osmosis throughout the pool.


In order to prevent osmosis from returning or jeopardizing the structural integrity of the pool, it needed to be completely removed. Similar to the process of removing ‘drummy’ areas or treating concrete cancer in a concrete pool, our team systematically removed every instance of osmosis throughout the pools surface, and provided a finish that could be mistaken for a brand new pool!

For this project, we followed the following process:

  1. Drained the pool, and pressure washed the surface.
  2. Systematically remove all areas affected by osmosis.
  3. Using heat, vaporize any sub-surface water in order to provide a long lasting seal.
  4. Fill areas removed with a filling agent designed for fibreglass.
  5. Grind pool surface.
  6. Apply vinyl ester resin primer coat
  7. Apply chopped strand matting [laminate]. The laminate forms the basis for the structural strength of the new surface.
  8. Apply bulk resin to the laminate.
  9. Apply filler-coat to enhance the surface finish and colour the primed surface.
  10. Apply Aquagaurd top coat. This is the final decorative colour coat which seals the laminate from water penetration.

Marblesheen – Fiberglass | Removing Concrete Cancer

Marblesheen finishing was a very popular surface of choice in Australia particularly between 1970 – 1990. The marblesheen surface is mixture of cement and crushed marble and applied using a trowel. The thickness of a marblesheen surface is typically between 5-25 mm, and because of its soft, porous characterisics it tends to wear down over the years.


Common issues we find are with marblesheen include:

  1. ‘Drummy’ areas where the surface has become soft and week, separating from the concrete behind.
  2. Black spots and rusty patches (concrete cancer) caused by rusted reinforcing material breaching the surface.
  3. Calcium build-up and residue.
  4. Surface cracks.

In order to complete this project we took the following steps:


  1. Drained pool and removed hydrostatic valve.
  2. Completed a thorough assessment of the pool’s surface looking for ‘drummy’, soft and weak areas.
  3. Removed and replaced ‘drummy’, soft and weak areas.
  4. Removed and replaced all rusted areas.
  5. Grind the surface smooth removing all black-spots, algae, and calcium build-up.
  6. Seal the surface with primer coat (vinyl ester resin).
  7. Applied fibreglass surface.
  8. Applied filler coat (vinyl ester filler).
  9. Completed one final grind to render surface smooth.
  10. Applied top coat (Aquaguard Technology)

Vinyl Lined to Fiberglass | Structural Rebuild

This project is the perfect example of how versatile fibreglass pool resurfacing is. It also shows the durability and flexibility if a fibreglass and how it can provide a long lasting solution to any pool, in any condition.


Due to the condition of the pool and the structural instability of the walls behind the vinyl surface, in this case it was necessary to rebuild the walls with reinforced concrete. Once the walls were structurally sound again, we sealed the new concrete than applied our fibreglass technology. This solution provided our customer a new durable, flexible surface that will last!