Schluter Bathroom Remodeling Nationwide

Schluter Bathroom Remodeling: The Los Angeles Owner’s Guide

Schluter bathroom remodeling in Los Angeles typically runs $10,620 – $33,040 for a full bathroom, while a tub-to-shower conversion using Schluter waterproofing falls between $4,130 – $11,800. We stock Schluter-compatible parts and complete waterproofing systems on our trucks, so most repairs involving failed Schluter components can be quoted on site and scheduled within days, not weeks. Homeowners usually find us because they’ve pulled up a cracked tile or spotted water staining on the ceiling below the bathroom and realized the waterproofing layer behind everything has been doing something it shouldn’t.

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Which Schluter Models This Applies To

Schluter makes three main product lines that matter for a Los Angeles bathroom: KERDI waterproofing membranes, KERDI-BOARD foam backer panels, and DITRA uncoupling membranes for floors. The compatibility gotcha most homeowners run into is thickness. KERDI-BOARD comes in 5 mm, 9 mm, 12.5 mm, 19 mm, and 28 mm panels, and if the original installer used 12.5 mm on the shower walls, you can’t patch a section with 19 mm without rebuilding the plane of the tile surface. We see this constantly in older Los Angeles homes where walls have settled or moisture has warped the framing behind the board. For the membrane itself, KERDI and KERDI-DS look similar on the roll, but KERDI-DS is the vapor-retardant version rated for steam showers and residential steam rooms. If you have a steam unit in a Hancock Park or Brentwood primary bath, the standard KERDI membrane will pass too much vapor over time. On the OEM versus aftermarket question: we recommend genuine Schluter components because the warranty chain matters. Aftermarket waterproofing membranes often lack the fleece webbing that Schluter’s thin-set bond relies on, and matching an aftermarket seam band to KERDI membrane is a gamble no one should take inside a shower wall.

Signs Your Schluter Bathroom Remodeling Is Failing

• Grout lines cracking in a stair-step pattern along a shower wall. This usually means the substrate behind the tile is moving or flexing. Schluter systems are designed to handle some movement, but if KERDI-BOARD was fastened with the wrong screws or the studs behind it shifted, the tile plane starts telegraphing stress through the grout.
• Water staining on the ceiling below the bathroom. A properly installed KERDI shower is fully waterproof. If you’re seeing a coffee-colored ring on the living room ceiling beneath a second-floor bath, the waterproofing layer has failed at a seam, a corner, or around the drain flange.
• A persistent musty smell that doesn’t go away after cleaning. That odor is trapped moisture behind the tile feeding mold on the drywall or wood framing. By the time you smell it, the problem has been active for months.
• Loose or hollow-sounding tiles in the shower pan area. Tap a few tiles with the handle of a screwdriver. A sharp, solid sound is good. A dull thud means the thin-set bond to the KERDI membrane has broken, which often traces back to a dry-set mortar used where a modified thin-set should have been.
• Shower floor grout that stays dark after drying for 48 hours. That means water is wicking through and sitting in the grout joints above the DITRA or KERDI layer. In Los Angeles humidity levels, a properly sloped and waterproofed shower floor should dry completely within a day.

Replacement Cost & What’s Included

Here’s how the numbers break down in Los Angeles right now. A full bathroom remodel with Schluter waterproofing runs $10,620 – $33,040 depending on bathroom size, tile selection, and whether you’re moving plumbing. A small bathroom remodel lands between $5,900 – $14,160. If the failure is isolated to a walk-in shower, expect $5,310 – $14,160. A tub-to-shower conversion using a Schluter shower kit falls at $4,130 – $11,800, and a straight shower replacement is $3,540 – $10,030. What drives the range: tile cost is the biggest variable, followed by whether we need to pour a new sloped mud bed or can reuse the existing one. Every quote from Penhallow Remodeling includes the written price before work starts, all Schluter materials, tear-out and disposal of the failed components, and our 365-Day Done Right Promise in writing. If the repair fails inside that year, we come back and fix it at no charge. No service call fee, no re-inspection fee, no argument.

DIY or Call Us?

There are a few things any homeowner can safely check. Confirm the shower valve isn’t leaking behind the wall by shutting off all water and watching your meter for ten minutes. Look for cracked grout or missing sealant at the corners where the tile meets the tub deck or shower pan. Note whether the bathroom has adequate ventilation, a working exhaust fan that vents outside, because trapped humidity in a Los Angeles bathroom accelerates every waterproofing failure. What you shouldn’t do is start pulling up tile to inspect the KERDI membrane yourself. Once you break the waterproofing layer, you’ve created a larger failure point, and matching a patch to an existing Schluter assembly is precision work. Water finds the one seam you didn’t overlap by two inches. Give us the whole picture first, then we pick up the tools. Call (936) 259-2607 and we’ll walk through what you’re seeing, then schedule an inspection with a written quote.

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