Over The Top’s fiberglass shower pans are custom built on the job to cover the entire floor surface and run vertically up the wall for a short distance.  They are custom made to cover any pan, seat, curb, or half wall in the shower unit.  If any water does leak through the grout in the tile or any other gaps, the fiberglass liner will direct it to the drain in the floor. 


The applications for our underlayment product are many.  We have sold our products to plumbing contractors, flooring contractors, as well as many home builders for use in new installation, remolding, outdoor tile patios and stairs, and water fountains.


Our custom fiberglass underlayment product has been tested and approved by Universal Laboratory, Inc. and utilized in the building and plumbing industry.  We have passed plumbing top out inspections for shower pan underlayment in the following cities surrounding the Dallas/Fort Worth Metroplex:

Our fiberglass shower pan liner or underlayment application was developed as a solution to tile shower pan leakage for one of our large custom home builders.  The desired result was to stop this reoccurring problem and resolve one of their top warranty issues.


A traditional rubber membrane (CPE or PVC) pan liner is subject to deterioration, rotting and excess bunching and is easily penetrated with nails during installation and framing.  All of these can create sources for leakage.

  1. Plano

  2. Frisco

  3. McKinney

  4. Murphy

  5. Garland

  6. Mansfield

  1. Rockwall

  2. Grand Prairie

  3. Lewisville

  4. Grapevine

  5. Southlake

  6. Keller

  1. North Richland Hills

  2. Prosper

  3. Fort Worth

  4. Celina

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FIBERGLASS SHOWER PAN