PROVA UNIVERSAL EXTENSION KIT® is a 4 piece extension kit that can be used to expand a shower base to any desired size when using multiple kits.

• Perforated corner edges are easy to cut and allow for versatility in extending shower bases
• Comprised of lightweight expanded polystyrene
• Extensions can be used to extend a 48" x 48" or 32" x 60" PROVA-PAN®
• Use 1 kit to extend a 48" x 48" (1.2 m x 1.2 m) PROVA-SHOWER® base to a 48" x 72"(1.2 m x 1.8 m) base
• Use 2 kits to extend a 48" x 48" (1.2 m x 1.2 m) PROVA-SHOWER® base to a 72" x 72" (1.8m x 1.8 m) base
• Use multiple kits to achieve desired shower base size. Design posibilities are endless!