Swimming pools come in various shapes and sizes, from classic rectangles to free-form designs with curves, nooks, and unique contours. For owners of pools with non-standard or irregular shapes, the choice of cladding is crucial. After all, it determines both the aesthetics and functionality of the pool. PVC membranes are an ideal solution, offering unmatched flexibility and practicality compared to traditional options such as plaster, tiles, and fiberglass.

Unmatched Flexibility for Custom Designs
Irregularly shaped pools require cladding that can adapt to complex curves and angles without compromising integrity. PVC membranes excel in this task, providing a level of flexibility that other materials cannot match:
- Pliable Material: PVC liners are soft and malleable, allowing them to conform to any shape—sharp corners, smooth turns, or multi-level structures
- Seamless Coverage: Unlike tiles, which require precise cuts and grout lines to fit unusual angles, PVC membranes are heat-welded into a single continuous layer, eliminating gaps
- No Shape Limitations: Fiberglass comes as pre-molded shells with fixed designs, whereas PVC liners can be tailored on-site to any irregular shape imaginable
The adaptability of PVC membranes makes them the top choice for creative, non-standard pools.
Cost-Effective Installation for Complex Shapes
Constructing an irregularly shaped pool can strain a budget, especially if the cladding demands extensive labor and materials. PVC membranes offer a cost-effective alternative, saving money without sacrificing quality:
- Quick Application: PVC cladding is installed faster than laying tiles, reducing labor costs even for intricate designs
- Minimal Waste: Cutting PVC membranes on-site minimizes material waste compared to pre-formed fiberglass, which cannot adjust to unique shapes
- Affordable Customization: Unlike plaster, which requires delivery of large material volumes via truck and a full team of workers, or tiles that demand skilled craftsmanship, PVC liner significantly lowers costs
For instance, tiling a free-form pool might double expenses due to custom cuts, while PVC liner streamlines the process, making irregular pool shapes accessible and affordable.

Superior Waterproofing for Irregularly Shaped Pools
Irregularly shaped pools often have larger surface areas and more joints, increasing the risk of leaks. PVC membranes provide exceptional waterproofing tailored to these challenges:
- Perfect Seal: The heat-welded seams of PVC membranes create a watertight barrier, unlike plaster, which cracks over time, or tiles, where grout can deteriorate
- Conformity to Shape: PVC liners hug every contour, preventing water seepage—a feat difficult to achieve with fiberglass in non-standard shapes
- Long-Term Reliability: With a lifespan of over 20 years, PVC liners maintain their seal even if cracks form in the pool’s concrete base
Fiberglass’s rigidity limits its sealing capability in irregular designs, and plaster requires constant monitoring for wear. PVC liner ensures leak-free performance, regardless of the pool’s shape.
Aesthetic Versatility for a Unique Look
Irregular pools often serve as standout features, and their cladding should enhance their visual appeal. PVC membranes offer aesthetic advantages that elevate custom designs:
- Color and Pattern Options: Available in various shades and textures, PVC membranes can mimic stone, mosaics, or modern finishes, unlike the limited palette of fiberglass or plaster. Our collection includes a wide range of gorgeous light and dark shades, as well as non-standard colors, like, for example, purple pool liner.
- Smooth Finish: PVC provides a uniform appearance across surfaces and corners, avoiding the patchy look of tile grout lines or plaster’s unevenness
- Design Freedom: Unlike tiles, which demand significant effort to fit irregular shapes, PVC liners adapt effortlessly, maintaining a cohesive style
Plaster can stain unevenly, and fiberglass lacks individuality. PVC membranes enable owners to craft stunning, irregular pools that captivate the eye.

For consumers, PVC liners offer excellent performance at an affordable price.
Ease of Repairs and Upgrades
Irregular pools may require updates or repairs over time, and PVC membrane cladding simplifies these tasks compared to other types of cladding:
- Patchable Surface: Small tears in a PVC liner caused by external mechanical impact can be repaired with patches, whereas cracked plaster or broken tiles demand major overhauls
- Retrofit Capability: Old irregular pools can be quickly relined with PVC membranes, avoiding the extensive work needed to replace plaster or fiberglass shells
- Minimal Downtime: Repairs or replacements take just a few days rather than weeks, unlike tile installation, which disrupts pool use for extended periods
Fiberglass’s rigidity makes retrofitting nearly impossible, and plaster repairs are labor-intensive and costly. The ease of maintaining PVC-lined pools keeps them operational with minimal hassle.

Comparison with Other Types of Cladding
Let’s compare the use of PVC membranes for irregularly shaped pools with alternative options:
- Plaster: Offers initial flexibility but is prone to cracks and leaks in complex designs
- Tiles: Require meticulous cutting and grouting for curved pool shapes, increasing costs and maintenance demands, and risking an uneven finish
- Fiberglass: Limited to pre-made forms, fiberglass cannot adapt to non-standard designs, leaving owners with few options
PVC membranes surpass these materials in adaptability, affordability, and durability, making them the ideal solution for unconventional pools.
Practical Tips for Using PVC Membranes in Irregularly Shaped Pools
To fully leverage the benefits of PVC liners for irregular pools, consider the following steps:
- Hire Specialists: Professional installers ensure precise fitting around curves, avoiding wrinkles and weak spots
- Choose Thick Liners: Opt for a thick, reinforced PVC membrane, such as Cefil 60 mil pool liner, for greater durability
These practices ensure optimal performance from PVC liners, creating a safe and stunning pool.
With PVC membranes, an irregular pool doesn’t mean impractical—it means exceptional.

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Where to buy or order installation of a high-quality PVC membrane
You can buy a thick reinforced PVC membrane from a European manufacturer from SAKKO POOL. We also install PVC liner in accordance with all building codes and requirements. A 10-year warranty is provided. If you ever need pool remodeling, resurfacing, or repairs, our team is here to assist you.
Here you can get advice on any questions, order an assessment of the condition of your pool, as well as its complete renovation.