Manufacturer
Installing a fiberglass pool on sand vs. gravel
River Pools
US fiberglass pool maker. Backfill around the shell (fine crushed stone, sand only in saturated lifts). Industry practice, not a Quebec standard.
Open the source- Consulted
- October 10, 2026
- Region
- US
- Language
- en
Cited by
What we take from it
- A fiberglass pool maker specifies the backfill material and method around the shell (fine crushed stone, sand only in saturated lifts); the zone against the wall follows the maker's rules.