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Let's suppose you have a 6' deep fiberglass pool to install. When excavating for a fiberglass pool, the over-dig is typically about 12". Therefore, the deep end of the pool will be backfilled with either 6' of sand or 6' of gravel to fill in this 12" over-dig.
Installing Fiberglass Pools in Sand or Gravel The purpose of this post is to point out the benefits of using 3/8 clean gravel stone back fill for a fiberglass pool installation. Let me point out that not every situation calls for gravel back fill, however in the Northeast climates Stone is the material of choice.
Sand vs. gravel for installation: Which is better? Back in the early 2000s, we installed roughly our first 250 pools on sand. Over the following years we found that a certain percentage of these pools had problems such as pool settlement, bulges in the side walls of the pool, and leaks in fittings and plumbing around the outside of the pool.
May 15, 2018 Finally, the debate is settled over the use of sand versus gravel in a fiberglass pool installation with this article.. . Article from riverpoolsandspas Installing a Fiberglass Pool Properly: Sand vs. Gravel, Which is Better? Finally, the debate is
Back Filling and Plumbing: Backfill for a composite fiberglass pool is typically gravel, crusher dust, or sand mixed with 10% cement for stability. The pool will be simultaneously filling with water while it is backfilled to provide equal pressure and stability.
Most installers use sand because it's cheap and it flows easy with water pumps (called washing in) if you use sand in a few years I guarantee bowed walls and bulges. Backfilling is an art too. The easy part is that you back fill the pool while you fill the pool.
29/5/2012 I'm waiting for a price on how much more gravel will be than sand. I think it will be about $1,000. I've never heard of a fiberglass pool problem caused by gravel backfill. But, I have heard of problems attributable to sand backfill. So, do I spend an extra $1,000 for
The size of this stone is about half an inch in size, which works well locking together for greater compaction when it is dropped into the overdig area around the pool. Gravel itself compacts really well, and it is far greater than sand or dirt that may be used in place of it.
True Blue Pools is Lexington’s premier in-ground fiberglass and vinyl liner pool contractor. Our services include weekly service, pool openings, pool closings, pump & filter installs, vinyl liner replacement, spring cleanup, salt system install, safety cover install, light replacement, chemical delivery, in ground pool installation, and water testing.
This is because the process involves multiple steps, from excavating the ground and installing the plumbing, to securing the shell and filling the pool. So with the cost of the shell and installation put together, most fiberglass pools cost between $15,000 and $70,000.
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