# Shower Waterproofing: Schluter-Kerdi & Linear Drains | SA Remodel Pros

> How proper shower waterproofing works — Schluter-Kerdi membranes, Redgard, linear drains, and why it matters for a leak-free San Antonio bathroom.

URL: https://saremodelpros.com/guide/waterproofing-a-shower-schluter-kerdi/
Last-Modified: 2026-06-24

Remodeling Guide

# Waterproofing a Shower: Schluter, Kerdi & Linear Drains

How proper shower waterproofing works — Schluter-Kerdi membranes, Redgard, linear drains, and why it matters for a leak-free San Antonio bathroom.

![Shower being waterproofed with orange Kerdi membrane, authentic job-site, natural light](/images/misc/shower-being-waterproofed-with-orange-kerdi-membra.webp)

## Quick answer

How proper shower waterproofing works — Schluter-Kerdi membranes, Redgard, linear drains, and why it matters for a leak-free San Antonio bathroom.

![Layered diagram of shower waterproofing assembly, brand navy and gold](/images/misc/layered-diagram-of-shower-waterproofing-assembly-b.webp)

## What this guide covers

-   Schluter-Kerdi membranes
-   Redgard
-   Linear drains
-   Why waterproofing matters; porcelain slabs

## Why this matters in San Antonio

Most San Antonio homeowners hit the same friction when planning a remodel: too many decisions, too many contractors, and a price that drifts upward once the work begins. The single biggest fix is a design-build process — one team owning design, materials, and construction under one contract. That’s the model we’ve used at SA Remodel Pros for more than 26 years across 2,000+ projects.

## What we recommend

If you’re researching this question, the next step is usually a 20-minute conversation with a project coordinator. We can tell you whether your project is straightforward, complex, or something that needs structural input before any design work begins. There’s no commitment.

## Things homeowners ask first

**What is Schluter-Kerdi?** — A bonded waterproofing membrane system for tiled showers.

**Why do showers leak?** — Almost always failed or missing waterproofing behind the tile.

## Related service

This guide pairs with our 

bathroom remodeling

[/bathroom-remodeling/ →](/bathroom-remodeling/)

 service page, where you’ll find scope, pricing, and project gallery for the related work.

## Related reading

For a deeper dive, see our guide on 

Curbless Walk-In Shower Installation Explained

[/guide/curbless-walk-in-shower-installation/ →](/guide/curbless-walk-in-shower-installation/)

 — it covers the next set of decisions homeowners weigh on a project like this.

Frequently asked

## Related questions

What is Schluter-Kerdi? +

A bonded waterproofing membrane system for tiled showers.

Why do showers leak? +

Almost always failed or missing waterproofing behind the tile.

How do I get started? +

Call (210) 366-2380 or request a free in-home estimate. A project coordinator walks the scope with you and gives a realistic ballpark before any commitment.

![Completed remodel](/images/misc/luxury-remodeled-san-antonio-home-exterior-at-suns.webp)

## Have a remodel in mind?

A free in-home estimate gives you a realistic scope and ballpark before you commit.

Get Your Free Estimate

[/contact/ →](/contact/)

 

Call (210) 366-2380

[tel:+12103662380 →](tel:+12103662380)