Lamberth Waterproof Systems logo Lamberth Waterproof Systems Fiberglass Waterproofing

Austin & Central Texas

Shower pans
and decks that
don't leak. Ever.

Seamless fiberglass, built on site in your shower. No liner, no seams, nothing to fail.

30+Years installing
fiberglass
20,000+Shower pans
in the ground
LifetimeWarrantied for the
life of the structure
Head-on shower under construction, pale resin membrane over pan, curb, bench and stepped alcove, drain centered

Why it doesn't fail

A liner has seams. Fiberglass doesn't.

Sheet membranes and pan liners rely on overlaps, folded corners and taped joints. Every one of those is somewhere water can eventually get through. We bond a single continuous layer to the substrate instead. Nothing to separate, nothing to lift, nothing to fail as the house settles.

This isn't a moulded fiberglass base you buy at a store. We build the waterproof layer on site, in your shower, to your exact layout. Then your tile goes on top of it.

Selected work

Twenty thousand of these. Here are a few.

Shower pans, decks and commercial installs from across Central Texas. Nearly all of it disappears under tile the day after we finish.

How a job runs

Four steps, no surprises.

  1. 01 Walk the jobWe look at the space, the drain, the substrate and the finish you're planning, then tell you what it actually needs. Not what we'd rather sell you.
  2. 02 Prep the substrateCleaned, dried and prepared so the fiberglass bonds properly. Skipping this is why other people's work fails.
  3. 03 Build the membraneOne seamless layer, formed into corners, up curbs and around every drain. No joints anywhere in the system.
  4. 04 Test and hand offFlood tested where it applies, confirmed holding, then handed to you or your tile setter ready to finish.

Before you call

Questions people ask us most.

What the warranty covers, what we work on, whether we work with builders, and how curbless and linear drain showers are handled.

Get an estimate

Tell us about the job.

We'll call you back at the number you give us. We don't send marketing.

Or just call.

Fastest way to get an answer.

Service areaAustin & Central Texas
WarrantyLifetime of the structure
Get an estimate