SmartLine Boulder Swirl Unibead Liner

The Unibead design offers flexibility by allowing you to install the liner into either a standard bead receiver or a J-hook track. This makes it a versatile choice if you are unsure of your current pool's specific track type or are replacing an older liner.

Yes, this specific model is engineered for a 21-foot round above-ground pool with a 54-inch wall height. It is critical to confirm your pool's wall height matches this specification, as a liner designed for a different height will not fit correctly.

By hand-folding the liner instead of machine-rolling it, the manufacturer significantly reduces the number of deep, stubborn creases. This allows the liner to lay flatter and smoother against your pool walls and floor immediately upon installation.

A 25-gauge thickness is considered a robust, heavy-duty option for above-ground pools. Combined with the double-welded seams and 100% virgin vinyl construction, this liner is built to withstand standard wear and tear while resisting punctures.

No, the pattern does not require special care. The material is treated with Lamiclear technology, which is specifically designed to resist UV fading and chemical damage, helping the Boulder Swirl design maintain its appearance over time.