Expansion joints and crack repair?

wedward

Silver Supporter
Oct 20, 2018
56
McKinney, TX
Pool Size
14000
Surface
Plaster
Chlorine
Salt Water Generator
SWG Type
Hayward Turbo Cell (T-CELL-5)
On the deep end of my pool, the expansion joints (I think I termed that right) are wide with some gaps. I'm in N Texas where ground settling is common. I read a few other posts, but want to be sure how or if to fix these. I believe this would require removing the old foam, replacing and then sealing with self leveling mix (brand suggestions welcome). How much cracking or gap does it need to have before fixing and would I remove/fix all of the foam around the pool and replace or just the sections needing the fix?
Library - 5 of 6.jpeg
Library - 4 of 6.jpeg

For the cracks, I read and watched different videos, so think this is where the dry sand crack repair would be used and then water on top would seal/cure the material. If the dry sand fix is not correct on the cracks by the skimmer, what would be best there?
Library - 1 of 6.jpeg
Library - 3 of 6.jpeg

Water on the skimmer is from the battle with leaves, not a leak FWIW.
 

Scrape out the old expansion joint and then fill with foam backer rod and flexible mastic. Deck-O-Seal or Sikaflex 1A.

Spider cracks in the deck are best left as is. Nothing will fill a tight crack.
 
  • Like
Reactions: wedward