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The Kerdi-Line is a low-profile linear shower drain built for bonded waterproofing assemblies. Its formed stainless steel channel carries a KERDI collar that bonds directly to KERDI membrane, so the waterproofing runs continuously into the drain. Because the floor can slope on a single plane toward the channel, it allows curbless showers and large-format tile without cutting the tile into small pieces around a point drain. It suits remodelers and DIYers building a waterproofed walk-in shower; against round point drains it costs more and needs careful framing and slope work, but it gives a cleaner, more accessible floor.
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Lowest price we've seen: $325.60 on Nov 11. Tracked across 12 stores since Nov 11.
Owners and installers describe the Kerdi-Line as a solid, well-made linear drain that integrates cleanly with Schluter's waterproofing system. Most praise the build and the curbless result; the recurring complaints are the installation effort and the need to get the slope and framing exactly right.
The Schluter Kerdi-Line is a low-profile linear shower drain designed for bonded waterproofing assemblies. It can be installed next to a wall or at an intermediate location in showers, wet rooms and other waterproofing and drainage applications.
The channel body is formed stainless steel (V4A) with a KERDI collar that makes a secure waterproof connection. Floors can be sloped on a single plane toward the drain, which allows the use of large-format tiles and helps create curbless, open-concept spaces. It accommodates all common thicknesses of ceramic tile and stone coverings.
