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Schluter Windows & Doors: The Los Angeles Owner’s Guide
We stock and install Schluter-compatible window and door trim systems across Los Angeles, with most replacement jobs running $180 – $520 installed for a single opening. If you’re holding a cracked Schluter jamb trim or a deteriorated KERDI-FLEX seal and wondering whether it can be saved, the short answer is usually no – these parts are designed to be replaced, not patched, and we do it same-visit when the part is on our truck. Most Los Angeles homeowners discover the failure the same way: water staining at the sill, a soft spot in the drywall beside the window, or trim that’s pulling away from the frame after a few years of direct sun and the occasional surprise rain.
Which Schluter Models This Applies To
Schluter doesn’t make windows or doors themselves – what they make is the waterproofing and edge-protection system that surrounds them. In Los Angeles remodels, that usually means one of three product families: Schluter-JOLLY (the L-shaped metal or PVC trim that finishes the exposed tile edge at a window reveal), Schluter-RONDEC (the rounded-profile version used at door thresholds and window sills), and KERDI-FLEX or KERDI-BAND (the waterproofing membrane strips that bridge the gap between the window frame and the surrounding substrate). Identifying your part takes about sixty seconds: flip the trim end cap and look for the profile name stamped on the inside face, then measure the reveal depth in millimeters – 6mm, 8mm, 10mm, and 12.5mm are the common Los Angeles stock sizes. Here’s the compatibility gotcha that trips people up: a JOLLY trim sized for 3/8-inch tile will not seat correctly on 1/2-inch porcelain, and forcing it leaves a lip that catches water. For the membrane pieces, always match the KERDI product to your specific waterproofing system – Schluter warranties the assembly, not the individual part, so mixing a generic vinyl membrane from a big-box store with genuine KERDI corners voids the coverage you already paid for. When we can, we install genuine Schluter OEM parts; for straight-profile trims where the profile is purely decorative and not load-bearing or waterproofing-critical, a quality anodized aluminum equivalent performs identically and saves about twenty percent. We’ll tell you which is which before you commit to anything.
Styles & brands we work with
Signs Your Schluter Windows & Doors Is Failing
- White chalky residue or pitting on aluminum trim – this is galvanic corrosion, and in coastal Los Angeles neighborhoods like Playa del Rey and San Pedro, salt air accelerates it badly. Once the anodized layer is compromised, the trim won’t recover; it needs replacement.
- Trim pulling away from the jamb at the corners – usually the result of thermal expansion cycling (Los Angeles sees 50-degree temperature swings between July afternoons and January nights) against a too-rigid adhesive. The corner gaps let water behind the assembly, where it sits against the framing.
- Discoloration or softness in the drywall directly below a window sill – this is the tell that KERDI-FLEX or KERDI-BAND has failed at the sill-to-jamb transition. Water is wicking down inside the wall cavity. By the time you see the stain, the leak has been active for months.
- A damp, musty smell near a door threshold after rain – Schluter’s threshold waterproofing only works if the membrane laps up the jamb correctly. A short lap, a skipped corner, or a torn membrane during installation lets water run straight under the threshold and into the subfloor.
- Grout cracking or tile popping at the window reveal – the trim and waterproofing system act as a movement joint. When they fail, tile movement concentrates at the edges and the weakest point fails first: the grout lines.
See the difference
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After
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AfterReplacement Cost & What’s Included
Here’s what we quote in Los Angeles, and these numbers don’t drift once the work starts.
- Single window reveal trim replacement (JOLLY or RONDEC): $180 – $320 installed, including removal of the damaged trim, surface prep, new trim cut and set, and silicone at all transitions.
- Single door threshold waterproofing repair (KERDI-FLEX/BAND): $260 – $520 installed, including removing the threshold, replacing the membrane with proper jamb lapping, re-setting the threshold, and a 24-hour flood test if the area allows it.
- Full window perimeter waterproofing remediation: $410 – $880, for cases where the failure has extended into the surrounding wall assembly and drywall repair is required.
What drives the range is access and existing condition: a ground-floor window with clean framing is the low end; a second-story opening with rotted substrate that needs repair is the high end. Every price is written before work begins, and it includes the part, the labor, the cleanup, and our 365-Day Done Right Promise. If it leaks or fails within a year of completion, we come back and fix it at no charge.
DIY or Call Us?
For a straight trim replacement on a window well above grade, a patient homeowner with a hacksaw, a file, and the right adhesive can absolutely replace a JOLLY profile. What we’d caution: the waterproofing is the line between a cosmetic fix and a structural repair. If you’re seeing any of the water-related symptoms above – staining, softness, mustiness – the failure is inside the assembly, and opening that wall without knowing what you’ll find leads to the classic Los Angeles remodel horror story: a small trim job that turns into a full sill replacement and mold remediation. That’s not a scare tactic; it’s the honest arithmetic of water and wood. If you’re unsure, call us at (213) 632-5711. We’ll tell you over the phone whether it sounds like a trim swap or something deeper, and the estimate is free either way.
FAQs
A correctly installed Schluter assembly lasts 20 – 30 years in Los Angeles, but the finish on aluminum trim in direct coastal exposure typically shows visible corrosion within 8 – 12 years while the waterproofing beneath remains sound. We see shade-side installations in the Valley holding their finish twice as long as ocean-facing ones in Santa Monica or Venice. If your trim looks rough but there’s no water penetration, call (213) 632-5711 and we’ll give you an honest read on whether you’re replacing for looks or for function – the price is often different.
No – once KERDI-FLEX or KERDI-BAND has torn, separated at a seam, or been punctured, water has already migrated behind it, and any patch is a temporary solution that leaves the surrounding assembly compromised. The right fix is removing the threshold or trim, cutting back to sound membrane, and reinstalling with proper lap and sealant. We quote that repair as a flat range up front.
Most single-opening replacements take 2 – 4 hours on site. Door threshold waterproofing remediation takes 4 – 6 hours because the threshold must be removed, the substrate inspected, the membrane installed with proper curing time on the sealant, and the threshold re-set. Call (213) 632-5711 and we’ll give you a written time window before you book.
We keep genuine Schluter JOLLY, RONDEC, KERDI-FLEX, and KERDI-BAND in the most common Los Angeles stock sizes on our service vehicles, along with the matching end caps and corner pieces. For unusual profiles, custom color matches, or stainless steel finishes, we special-order from our Los Angeles supplier network, which typically adds 2 – 4 business days. We also stock complementary trim and cabinet hardware from KraftMaid, Cambria, and Silestone for remodels that touch those systems. We’ll always tell you before the visit whether your part is on the truck.
Know who’s coming, know what it costs, know it’s guaranteed – everything else is just noise. Call (213) 632-5711 for a free estimate on your Schluter window or door repair. A live person answers, any hour, any day.
Written by Isaac Pruett, Owner, Mason Remodeling Co at Mason Remodeling Co Los Angeles, serving Los Angeles and nearby areas.
