Schluter waterproofing systems installed to manufacturer specifications. Every shower we build is fully waterproofed — not just tiled. That difference is why our showers last while others fail.
Most shower failures aren't tile failures — they're waterproofing failures. The grout and tile you see are not waterproof. Water seeps through grout joints, travels behind the tile, saturates the backer board and framing, and causes mold, rot, and structural damage — often silently for years before any visible sign appears.
Florida's high humidity makes this worse. Showers in Sarasota, Siesta Key, and Lakewood Ranch experience above-average moisture cycling — which accelerates the failure of inferior waterproofing materials and shortcuts. The result is a shower that looks beautiful for 3–5 years, then begins showing efflorescence, grout cracking, or tile loosening — all signs that water has been moving behind the surface.
The uncomfortable truth: Most tile contractors apply a thin coat of brush-on membrane — or nothing at all — and call it waterproofed. This approach fails. The only proven, lasting solution is a continuous, bonded waterproofing membrane system. That's what we build with every single time.
Schluter-KERDI is a polyethylene composite membrane that bonds directly to the substrate, creating a continuous waterproof layer independent of the grout or tile. Unlike paint-on products that rely on adhesion to porous backer board, KERDI forms a true physical barrier that water cannot penetrate — even after years of thermal cycling and movement.
Schluter-DITRA — our floor membrane — serves double duty as both a waterproof layer and an uncoupling membrane that absorbs the stress between the tile and the substrate. This prevents the floor cracking and tile loosening that plague conventional installations, especially in Florida homes built on concrete slabs that experience seasonal movement.
The waterproofing system protects the structure. The tile you choose determines aesthetics, maintenance, and slip safety. Here's what performs best in Florida shower environments.
Our most-recommended shower tile. Dense, non-porous, stain-resistant, and available in large formats that minimize grout joints and maintenance. Mimics stone, concrete, and wood beautifully.
Marble, travertine, and slate create unmatched luxury. Requires sealing, careful grout joint sizing, and a truly waterproofed substrate — which is why stone showers need the Schluter system more than any other.
24×48" or larger porcelain panels eliminate most grout lines, creating a seamless, spa-like look. These require specialized installation skills and back-buttering technique — our specialty.
Glass, stone, or porcelain mosaics for niche interiors, shower floors, and decorative bands. We pattern-plan mosaics before setting to ensure symmetry and minimize visible cuts.
A complete custom shower — demo through final grout seal — typically takes 4–6 working days. This includes time for waterproofing membranes to cure before tile-setting begins (24–48 hours), tile setting and leveling, grout cure time, and final sealing. We do not rush curing times. Compressed timelines produce cracked grout and failed waterproofing.
Yes — all three. Walk-in showers and wet rooms are our most common shower projects. Steam showers require a fully enclosed ceiling membrane and vapor-rated grout (we specify this automatically). Tub surrounds benefit from the same KERDI wall system as walk-in showers — a tub itself is waterproof, but the wall assembly above it often isn't in conventional installations.
In most cases, no — and for good reason. Tiling over existing tile or backer board without addressing the substrate means you're also tiling over any existing moisture damage, mold, or delaminated membrane. We will investigate the existing condition first. If the substrate is sound and dry, we can discuss options. But if there's any evidence of water intrusion — which is common in Sarasota showers over 10 years old — full demo is the right call. A re-tile on a failed substrate will fail again, usually faster.
A custom shower tile installation in Sarasota typically ranges from $3,500–$12,000+ depending on shower size, tile selection, and the waterproofing system required. A standard master bath walk-in shower with Schluter-KERDI waterproofing and rectified porcelain generally falls in the $5,000–$8,000 range for labor and materials combined. We provide a detailed written proposal after a free on-site visit — accurate pricing requires seeing the space.
You absolutely need waterproofing behind shower tile — tile and grout alone are not waterproof. Water migrates through grout joints constantly during shower use. Without a continuous waterproof membrane bonded to the substrate, that water saturates the backer board and framing, causing mold, structural rot, and eventual tile failure. In Florida's humid climate this process is accelerated. The Schluter-KERDI membrane we install creates a genuine waterproof barrier before a single tile is set.
Serving shower tile installation across:
The shower Cullinan built for our master bath is absolutely beautiful — and more importantly, it's been leak-free for two years. They took the time to explain every step of the Schluter waterproofing process. Worth every penny.
We had a previous shower that failed after five years — mold behind the tile, the whole nightmare. Cullinan demoed it correctly, installed the Schluter system, and the result is night and day. Should have done this the first time.