X208
Full Foam Shower Curb – Tile-Ready Waterproof XPS Threshold
Specifications
Item Specification
Product Type Prefabricated Foam Shower Curb
Material High-Density XPS with Fiberglass & Cement Coating
Length 48 in (5 ft available options)
Approx.Size 4-1/2″ × 5″ × 48″
Waterproofing 100% waterproof & vapor-tight
Product Overview
The Full Foam Shower Curb is a prefabricated, waterproof, tile-ready shower curb designed for seamless integration with shower systems, including foam shower bases or conventional mortar bed installations.
Manufactured from high-density XPS foam with fiberglass mesh reinforcement and a cementitious coating, this curb provides excellent load-bearing performance while remaining lightweight and easy to install. Its pre-sloped design directs water back toward the shower drain, ensuring reliable water containment and long-term durability in wet areas.
Key Features & Benefits
- 100% Waterproof Construction Fully sealed, vapor-tight foam core prevents water penetration and moisture damage.
- Tile-Ready Surface Cementitious outer coating allows direct tile installation using standard thin-set mortar—no additional prep required.
- Pre-Sloped Design Slight inward slope directs water back into the shower, reducing splash-out and leaks.
- Lightweight Yet Load-Bearing Rated up to 280 lbs/ft once tiled, suitable for glass doors, panels, or blocks.
- Cuttable for Custom Fit Easily trimmed on site to match custom shower layouts and entry widths.
- Fast, Clean Installation Can be installed before glass components; epoxy adhesive recommended instead of mechanical fasteners.
Applications
- Tiled walk-in showers
- Bathroom renovations and new constructions
- Wet rooms and curbless-style transitions
- Residential and light commercial projects
Ideal for DIY homeowners, tile installers, and professional remodeling contractors.
Installation Notes
- Compatible with shower bases and traditional mortar beds
- Tile installation can be completed before glass doors or panels
- Epoxy adhesive is recommended instead of screws when fixing shower door tracks
- Must be properly waterproofed at all joints using compatible sealants










