Become a TFP Supporter Pool Math Forum Rules Pool School
Results 1 to 2 of 2

Thread: Exterior Backfill, Back fill, question

  1. Back To Top    #1

    Exterior Backfill, Back fill, question

    Ok, search gave a lot of back fill info for inside of pool, (I think). I want to be sure before I begin the labor on our new pool...

    Installer said use the earth removed from leveling the area. My plan was to sift dirt to be used against outside pool materials and back fill about 20" on one side down to about 4" above former grade on other side of pool. We had a foam base and foam floor pad installed inside pool under the liner, so sand wash out should not be major concern. I understand to grade away from the pool so run off is taken away from pool base.

    My question: Should I use a plastic liner between EXTERIOR pool wall and earth back fill? Again I want to be sure as other searches seamed to be referring to using plastic on the interior berm usually made of sand.

    By the way, BBB water in pool is great! Removed the Nature2 before it was ever used!
    AGP 12'x24'x54"~7700 gal | Vinyl | Dual Speed Hayward Pump | Cartidge Filter 17psi (new)

  2. Back To Top    #2
    linen's Avatar
    Join Date
    Jul 2010
    Location
    Twin Cities, MN
    Posts
    8,649

    Re: Exterior Backfill, Back fill, question

    Welcome to tfp, polabear

    Quote Originally Posted by PolaBear
    My question: Should I use a plastic liner between EXTERIOR pool wall and earth back fill? Again I want to be sure as other searches seamed to be referring to using plastic on the interior berm usually made of sand.
    I think plastic is typically on inside, if used. I am not sure, but I don't think it would hurt anything on the outside wall.
    TFP Expert who uses Pool School and my TF100 test kit along with PoolMath for my: Round 11K gallon AGP with deep end, 20" sand filter, Matrix 1hp 2spd, 6 2ftX20ft solar panels (and solar cover!), Intex SWCG (copper bars disconnected) and a Rubadub hot tub (chlorine). The SLAM process is not finished until: 1. CC < 0.5 ppm, 2. An OCLT < 1.0 ppm and, 3. The water is crystal clear.

Posting Permissions

  • You may not post new threads
  • You may not post replies
  • You may not post attachments
  • You may not edit your posts
  •