The Kirb-Perfect™ Shower Curb is a stay-in-place plastic form for building perfect shower curbs. Kirb-Perfect™ is designed to be used with a pan liner. It can be used with or without a 2 x 4 wood curb. 

With molded in dovetail connecting lugs, this curb can be used for multiple length installations.

Each piece of the Kirb-Perfect™ shower curb is easily cut with  a hacksaw, PVC cutters or angle grinder. Two (1-1/4" long) and eight (3/4" long) stainless steel self tapping screws. 

Illustrated installation instructions included. 

Kirb-Perfect™is 4-9/16" wide  x 30" long x 5-1/2" high.