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Swimming Pool Supply Ltd. (Hong Kong) - The Smart Choice

Types of Pools


The main difference between different types of pools is how the basin or pool shell is constructed. There are several different pool styles, each with their own advantages and disadvantages:

Above-ground pools are the cheapest construction option, as well as the easiest to build. Most above-ground pools are made from prefabricated kits: there is a great variety of these available, from ones which are very simple to install to more complex larger ones which need to be installed by expert pool builders. Firstly, the ground needs to be leveled to form a flat building surface. Then a perimeter track is assembled - this supports the outer wall (which can be made of metal, plastic or wood). Next, the filtration system is installed – the type of system varies in accordance with the different models of above-ground pools. Advantages of this type of pool are that they are relatively inexpensive and not permanent – it is relatively easy to disassemble the pool and move it to a new location, which can make it an ideal solution for people who are renting property or do not want a permanent fixture in their house. For more information on above-ground pools, contact us at info@swimpoolequip.com.

Fiberglass pools are made from fibreglass-reinforced plastic that has been moulded into a basin shape. To install the pool, a construction crew digs an appropriately sized hole, lays the necessary plumbing and lowers the preformed pool structure into the hole. The pool is then levelled, the piping connected and the space around the pool shell is backfilled with sand. In many cases, the pool is surrounded by a concrete deck structure for additional support.

Vinyl-lined in-ground pools are structurally similar to above-ground pools. The construction crew digs a hole and assembles a metal, plastic or wood frame wall around the hole's perimeter. Sand is then laid along the bottom of the hole and the vinyl lining is fixed to the structural wall. These pools are less expensive than other in-ground designs, but not as durable. Typically, the vinyl liner needs to be replaced every 10 years or so.

Gunite pools are the most popular type of pools in places such as South Africa, Australia and the United States. To build one of these pools, the construction crew digs a hole, puts the plumbing in place and assembles a framework grid with 3/8-inch steel reinforcing rods (rebar). The rebar rods are spaced about 10 inches apart, and secured together with wire. When the grid is in place, the crew sprays a heavy coating of gunite, a mixture of cement and sand, around the rebar. The sprayer unit combines dry gunite mix with water just before spraying -- this produces the wet concrete material. The crew trowels the gunite smooth and lets it sit for a week or so before applying a smooth finish to the rough surface. The most popular finish for this type of pool is called marble plaster (actually a mixture of cement and marble sand), but a lot of people finish their pools with special mosaic which can be either glass mosaic or ceramic mosaic. Gunite pools can also have tile, exposed aggregate or even fiberglass finishes. Gunite pools (and their cousins, shotcrete pools) are highly durable, and they can be built in any shape or size.

Poured-concrete pools
are similar to unite pools, but they are more difficult to build. Instead of spraying concrete material around a rebar framework, concrete is actually poured into conventional wooden forms. In masonry block pools, the walls are constructed with concrete blocks.

Stainless-steel pools (Myrtha System) come in almost every shape and size. The pool structure itself is stainless steel and internally coated with vinyl. The pools are aesthetically pleasing and comparable to a tiled pool in appearance. Some of the added benefits of Myrtha are the ability to withstand limited ground movement, minimal maintenance and a 15 year guarantee. The design and construction process is simple as the pool is fully designed by Myrtha pools and as filtration installers as well we can provide a complete package.