The 5×5 shower base is a versatile fit for many bathroom layouts, from compact en-suites to larger corner showers. This guide highlights five solid options that balance durability, ease of installation, and slip resistance. Each product covers common setups such as corner showers, RV or outdoor applications, and tile shower bases, with a focus on reliable materials like acrylic, fiberglass, and PVC liners. Use the buying guide at the end to compare dimensions, materials, and drainage features to match your installation needs.
| Product | Size / Shape | Material | |
|---|---|---|---|
| Oatey PVC Shower Pan Liner Kit Gray | 5′ x 6′ | PVC | Shower pan liner with corner dams |
| Torcia SINGFORM 40 mil Liner | 5′ x 6′ | PVC | Pre-measured liner with corner dams |
| Casaphoria 36″ x 36″ Shower Base Pan | 36″ x 36″ | Acrylic + ABS | Center drain hole (3.5″) |
| RecPro RV Shower Pan | 36″ x 24″ | Acrylic | Right drain |
| AYWOHA Upgraded Portable Shower Pan | 41″ x 41″ x 5″ | Foldable PVC/Canvas/Plastic | Drainage plugs with side pipe connections |
Oatey PVC Shower Pan Liner Kit Gray 5′ x 6′

Ready-to-use waterproofing membrane tailored for tile showers or other concealed waterproofing applications. The kit includes one 5 ft. by 6 ft. PVC shower pan liner sheet and two PVC corner dams for a complete seal. This option emphasizes durability, especially in concealed installations, helping to prevent leaks around the base and walls.
Torcia SINGFORM 40 mil Shower Pan Liner

PVC-based liner with a 40 mil thickness is designed for durability under tiled shower bases or concealed waterproofing applications. Marked in 6-inch increments to ease measuring and trimming, this grey liner includes corner dams and is well-suited for 5′ x 6′ configurations in both new builds and remodels.
Casaphoria 36″ x 36″ Shower Base Pan

The Casaphoria base combines a five-layer acrylic plus ABS construction for a balance of rigidity and light weight. The surface is slip-resistant, and the base is designed for corner showers, with a 3.5-inch center drain hole. It ships white to match common tile and fixture colors and is suitable for DIY installation with proper measurements.
RecPro RV Shower Pan

Rectangular RV shower pan with a built-in corner drain option, designed to fit smaller spaces while providing a textured bottom to reduce slips. This base helps retain water within the shower footprint and works well for compact RV or tiny home setups where space efficiency is key.
AYWOHA Upgraded Portable Shower Pan

This portable shower base measures 41 by 41 inches and 5 inches tall, with a foldable design for compact storage. It includes a detachable drain pipe and drainage plugs, making it suitable for camping, RV travel, or temporary setups where a sturdy, easy-to-transport shower base is needed.
Buying Guide: Key Purchase Considerations
- Size and layout compatibility: Confirm that the 5×5 footprint fits your shower alcove or corner configuration. Consider whether a larger 36″ x 36″ or a 41″ x 41″ base better accommodates your space and door swing.
- Material and durability: PVC liners are excellent for concealed waterproofing, while acrylic bases provide rigidity and a smooth surface. For outdoor or portable use, lightweight, foldable options with integrated drainage are advantageous.
- Drain placement and compatibility: A center drain is common in square bases, while corner drains suit corner showers. Ensure the drain size matches your existing plumbing or the installed shower kit.
- Slip resistance and texture: Look for textured or slip-resistant surfaces to improve safety, especially in households with children or seniors.
- Installation approach: PVC liner kits are ideal for tile showers and concealed waterproofing, whereas prefabricated acrylic bases simplify DIY installation with fewer steps.
- Repairability and maintenance: PVC liners can be easier to patch in case of damage, while acrylic bases may require more careful cleaning to prevent scratching and staining.
- Portability and use-case: Outdoor or camping showers benefit from foldable or portable bases with drainage features to manage collected water and simplify transport.
- Compatibility with accessories: Check for included corner dams, drain covers, and compatibility with common shower doors and curbs to avoid gaps or leaks.