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Zero Entry

The zero entry should be a slip-resistant surface. Pebble Tec, Diamond Brite, Flo Crete, or the use of similar products is recommended up to 18” of water depth.  Slip-resistant additives such as Sharks Grit can be added to paint for a slip-resistant surface.

The preferred finish for zero depth entries in outdoor freezing/winterized locations would be a painted surface with a non-slip additive. Flo-crete is an option in areas of the country where contractors are familiar with its installation (i.e. Texas, Louisiana)

Grating is recommended across the zero water level on all pools with skimmers or gutters to prevent a scum line and water from running onto the deck.

The standard slope for zero entries is 1:12.

Trench drains at the zero depth entry are used both in skimmer pools and gutter pools. In gutter pools the water from the trench drain is drained into the surge  In skimmer pools there isn’t a clean way to “skim” the water as the only way to keep the water flowing is through direct suction.

If a skimmer is attached to the trench drain, the skimmer cannot be installed at the same water level as the other skimmers and virtually is always under flooded suction so does no “skimming”. It is also hard to winterize this configuration in an outdoor pool.

CH’s preferred solution is to have a sump section that is 2’-0” deep and route a suction pipe with a ball valve into this section. This creates a direct suction line that can either be tied to the skimmer piping or direct piped back to a header in the pool mechanical room.  An equalizer line should also be added back to the main drain to assure that water always stays in the trench.

Grating for the zero entry trough shall terminate at a 90 deg. angle, thus eliminating the need to trim or cut the gutter grating during installation. Note: cutting or trimming the grating voids all warranties by the manufacturer. Grating should terminate approximately 6 inches from the pool wall allowing for termination edge support via the concrete support ledge on the longitudinal sides AND the end walls of the trough.

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