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Custom Spa Wetroom with Curbless Shower & Island Tub

Posted March 5, 2026

Michael Holmes

Built by Michael Holmes

01 · ABOUT THIS PROJECT

This custom spa-inspired wetroom remodel features a seamless curbless shower entry, freestanding island tub, built-in bench, and heated flooring. We completely waterproofed the entire space using the Schluter system, from the Kerdi-Board walls and ceiling to the custom dry pack shower base. For efficient in-floor warmth, we integrated a Ditra-Heat Duo system throughout the subfloor. The completed room showcases marble-look wall tile, pebble stone flooring, and sleek modern fixtures.

SCOPE AND TRADES ON THIS BUILD
site supervision
Waterproofing
site coordination
Dry pack shower bases
02 · PHOTOS
Finished spa wetroom with freestanding tub, pebble stone floor, curbless shower, built-in bench, and marble-look wall tile.
Subfloor and Schluter Kerdi-Board waterproof wall panels installed around bathroom window opening during rough-in.
Bathroom wetroom preparation showing waterproof backer board on walls and uncoupling underlayment mat on subfloor.
Custom dry pack mortar shower base being troweled next to Ditra floor membrane and rough plumbing drain.
Troweling and smoothing sloped dry pack mortar base for the curbless shower drain area during prep.
Orange Ditra-Heat floor membrane with electric heating cables routed throughout the wetroom subfloor.
Schluter Kerdi waterproofing membrane installation covering the custom shower pan, bench, and backer walls.
Fully sealed and waterproofed wetroom interior with Kerdi membrane over walls, vaulted ceiling, bench, and floor.

Created: Mar 5, 2026

03 · DISCUSSION
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Michael HolmesMar 19, 2026

You bet it is @Ian MacFayden

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Ian MacFaydenMar 7, 2026

Is that a festool mixer? Never seen one but that plug sure looks festooly!

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Michael HolmesMar 5, 2026

Thanks brother!

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Kyle KellandMar 5, 2026

This looks very clean! You can see your attention to detail

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PROJECT FACTS

Status

Ready

Posted

March 5, 2026

Crews credited

1

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