Rapid Recess Small Foam Filler Kit (RRFKS) — for 26"–43" Linear Drains

The Rapid Recess Small Foam Filler Kit is designed to simplify curbless shower construction around linear drain layouts by providing purpose-fit filler components that help create the correct recessed transition and support a level, professional finish. Built for linear drains 26" to 43", this kit supports efficient remodel workflows while maintaining above-joist installation and structural integrity on wood subfloors.

Key Selling Points

• Sized for linear drains (26"–43"): Purpose-built for common linear drain lengths in tub-to-shower and remodel conversions.
• Built for efficient curbless results: Helps installers create a consistent recess approach for clean, modern zero-entry shower builds.
• Above-joist friendly installation: Designed to fit above joists to preserve framing integrity and streamline work.
• Durable bracket construction: Uses 16-gauge galvanized steel brackets for long-term stability in wet-area assemblies.
• Consistent recess depth: Designed to achieve an 11/16" recess for a level shower floor interface.
• Versatile joist compatibility: Adaptable across typical joist types and orientations used in residential remodels.
• ICC code compliant: Supports compliance expectations for dealer and contractor programs.
• Complete, job-ready kit: Includes the core filler components needed to complete the drain-zone buildout.

Coverage

• Fits an area of 25 sq ft or less (for 26"–43" linear drain applications)

Kit Contents (RRFKS)

• RRLDFS – Small drain filler left (Qty 1)
• RRRDFS – Small drain filler right (Qty 1)
• RRSS – 1/4" small shim (Qty 2)
• RRW – Sloped wedges (Qty 3)