Expandable liners are designed to expand smoothly into an Optional Special-Purpose Deep Swimming Area for underwater swimming. Doughboy’s uniform thickness, softness, and flexibility ensures maximum quality, liner longevity, and easy installation. Expandable liners can also be installed in a flat bottom pool if desired.

Expandable Liners

Doughboy’s Exclusive 20 & 25 MIL “True” Expandable Liners Provide for a Deep Swimming Area

Blue Bayou- 20 mil Expandable

Crystal Creek- 25 mil Expandable

Misty Falls- 20 mil Expandable

Seastone- 25 mil Expandable

Solid Blue- 20 mil Expandable