When comparing all-resin pools to resin pools with steel walls, it’s important to understand how each performs when installed above ground versus semi-inground or buried.
In most cases, you should not fully bury an all-resin pool. While resin is rust-proof and ideal for pool frames and components, resin walls can become brittle in extreme cold or warp in intense heat. Burying a resin pool adds constant soil pressure and moisture exposure, increasing the risk of cracking and structural failure.
For semi-inground or buried installations, steel wall pools are usually the stronger and safer option when properly protected with slurry backfill and adequate drainage.
True all-resin pools (with both resin frames and resin walls) perform very well with saltwater systems but require careful installation and climate considerations to prevent cracking and long-term damage.
Temperature Sensitivity
Resin can become brittle in extreme cold and may warp in intense heat. These risks increase when the pool is buried and exposed to continuous soil pressure and moisture.
Structural Integrity
Although resin is durable, it does not offer the same structural strength as steel when resisting constant and uneven soil pressure, especially if the backfill is not properly compacted.
Moisture & Corrosion
Even with resin pools, hidden steel components or compromised resin coatings can allow moisture to reach metal parts. Over time, this can lead to rust and pitting, which may damage the vinyl liner and shorten the pool’s lifespan.
Installation Risks
Backfilling requires precise compaction. Improper installation can stress resin walls, and draining the pool below ground level increases the risk of wall collapse.
Saltwater Systems
All-resin pools (with resin walls and frames) are ideal for saltwater chlorination systems because salt accelerates corrosion in metal components.
Corrosion Resistance
Resin’s primary advantage is its immunity to rust, making it a strong choice for humid, coastal, or high-moisture environments.
UV Protection
Choose resin pools with built-in UV inhibitors to help prevent fading, cracking, and long-term sun damage.
Steel Wall Pools
Steel wall pools are stronger and better suited for semi-inground or buried installations when properly protected. This includes:
Slurry backfill (a soil and cement mixture)
Proper drainage systems
Anti-corrosion coatings
Hybrid Pools
Hybrid pools combine both resin and steel components. They offer a middle-ground option, but overall quality and durability vary by manufacturer.
The term “all-resin pool” often refers to resin uprights and rails, while the wall itself may still be steel with a resin coating.
If you want a true all-resin wall pool (with no steel components), expect higher costs and greater climate-specific risks when burying the pool. For long-term strength and stability in semi-inground installations, a properly protected steel wall pool is usually the better choice.