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Thread: Mats or sand

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    Mats or sand

    Can the Harbor freight anti fatigue mats replace the sand under the pool? Also, do I need to spray a grass killer after I remove the sod, and if so is there one that's recommended?

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    Mod Squad kimkats's Avatar
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    Re: Mats or sand

    You sure can use the mats instead of sand. There was a thread a little while ago that did just that. They love it. You can also use the foam house panels. You will have to triple tape any of them to make sure they do not gap.

    Now saying that you HAVE to have the area level no matter what you use under the pool. That is the key to a safe pool. It is also the hardest part to do. There are many videos and threads about how to get it done. The main point is to dig DOWN to level NOT add dirt/sand to level up.

    Removing sod-not fun but does need to be done. Once it is gone I would use double strength Round Up. That is my go to plant killer. When I say double strength I mean I add more Round up per gallon than the bottle says. When I want it dead I want it dead NOW! LOL

    IF you end up using sand make sure to put a good tarp or ground cover between the sand and ground to help keep the grass from growing into the pool bottom.

    Kim
    TFP Moderator 33x52 round AG 25,600 gals Sand Filter 1.5hp Pump - 2 Speed, SLAM, Pool School, Recommended Levels, Recommended Chemicals, Pool Math, Chlorine/CYA Chart, TF-100 Test Kit

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    Mod Squad YippeeSkippy's Avatar
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    Re: Mats or sand

    The anti-fatigue mats generally have lower edges and are higher in the center. I dont know that you'd want something with variations under the pool. I think it should all be same level surface.

    And those mats ain't cheap either!!

    Yip

    Addendum: Never mind! I just looked at the HF site. Those mats aren't anything like the kitchen type anti-fatigue mats. Those were what I was thinking you meant. Sorry!
    Maddie :) 12K Fiberglass IG, Infinity 4000 automatic cover, SWCG, Hayward Sand Filter, Hayward 1.5 Pump, Doheny Discovery Robot, Savi Melody LED pool lights, outdoor speakers and other assorted doo-dads. Sundance Altamar Hot Tub.
    Skippy's Pool Cooler --> Skippy's New Fountain Our Build --> Our Pool Solved Our Sloping Yard

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    Wichita Chief's Avatar
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    Re: Mats or sand

    From what I have read when researching my build is the sand is still used under either the mats or the pink foam (what I used). You level and cut the ground. Some use screenings to smooth out the ground. Cutting soil 100% level over a large area with no peaks or valleys is next to impossible. It's like cutting wood for a table with a chainsaw. The screenings even out the surface and are compact able. Then the sand is like the drywall mud used before painting. When you use mats or foam you use just enough sand to put a fine finish to the bottom and achieve a level, even surface. In my case it was to cover the slats or strips which tie one side of the pool to the other. Would all this be required? It all depends on the size and type of pool and the ground condition and location being prepped. Help us with pool info in your sig.
    AGP: Esther Williams 15' x 30' - 10,500 gal city water filled, S210S Hayward sand filter, SP1592 Hayward PowerFlo Matrix pump.

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    chayne's Avatar
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    Re: Mats or sand

    i used the harbor freight mats under my pool and it turned out great. nice and soft. i think i bought like sixteen packages of them. that came to a total of 64. didnt use all of them. i think i had 1 package left. very easy to do. i just made sure all my pavers were level and then i left the dirt about half of an inch below the top of the pavers. after i had them down i just trimmed around them with a pair of scissors.
    Charles
    Coleman 16'x48"
    Intex 16" pump & Sand filter, Intex Robot Vacuum
    Hayward Wide Mouth Skimmer
    TF-100 Test Kit Magnetic Speed Stirer

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    Re: Mats or sand

    Why do I get the urge to play Q-bert when looking at that pic? :P
    15' x 30' x 54" Saltwater 8000 Oval Pool - Built Semi Inground - Pentair EasyTouch 4PSC w/IC40 SWG - Pentair IntelliFlo Variable Speed 3 HP Pool Pump - FNS Plus 48 Sq Ft Filter - Pentair Screen Logic Bundle Kit

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    chayne's Avatar
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    Re: Mats or sand

    funny, because i got the same feeling while i was laying them down.
    Charles
    Coleman 16'x48"
    Intex 16" pump & Sand filter, Intex Robot Vacuum
    Hayward Wide Mouth Skimmer
    TF-100 Test Kit Magnetic Speed Stirer

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    jmcdtucson's Avatar
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    Re: Mats or sand

    Why not use the 4x8 foam insulation panels? They work great and much less taping involved.
    Intex 12'x24'x52"
    8,403 gallons
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    Re: Mats or sand

    Well, one advantage to the mats is the the way they interlock would make the joints much stronger.

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    TomGallopavo's Avatar
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    Re: Mats or sand

    You can glue the tongue and groove of the foam panels as well as tape. The glue is for putting them against basement walls. It is blue and goes in a caulk gun. Of course I would tape it as well...
    Spring 2016 Install, 24'x54" Saltwater LX AG Round Pool (13500 gal.), AquaPro 200 SQ. FT. Cartridge Filter System 2-HP 2-Speed Pump, Solaxx Saltron Retro Jet RJ Saltwater Chlorine Generator, Aqualuminator Above Ground Pool Light, TF-100 Test Kit w/ Borate and Salt, Well Water.

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    May 2014
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    Midland, MI
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    Re: Mats or sand

    So, we used the foam boards and duct taped them together when we had our intex pool. Seemed great, nice feeling under our feet until we started feeling the seams under the lining and our liner started to bunch up a little.
    When we begin our new Doughboy agp build, I know that we have to have sand brought in, but undecided if we will do the foam boards again.

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