A Non-Gypsum Waterproof Drywall Replacement System for Flood-Prone Areas
The EnduraFlood RAILI-COR/12-O is a waterproof outside corner mounting trim engineered for use with the EnduraFlood flood-resistant wall system. Designed to create a clean vertical transition between 1/2" gypsum drywall above and waterproof ENDU-BOARD panels below, RAILI-COR/12-O provides a rail onto which decorative CHAIR-RAIL trim is mounted at outside wall corners.
 
Made from durable, waterproof inorganic polymer composite, RAILI-COR/12-O will not absorb water, swell, or support mold growth. It is specifically designed for outside corner applications and can also be used with common 0.42" cement boards.
 
Why Choose RAILI-COR/12-O for Outside Corners?
In flood-prone areas, traditional corner trims and finishing materials can trap moisture and promote mold growth after water events. RAILI-COR/12-O is purpose-built for the EnduraFlood waterproof drywall replacement system, providing a flood-resilient outside corner solution designed for:
Basements
Coastal homes
Flood zones
Hurricane-prone regions
Post-disaster rebuilding projects
Because it is made from an inorganic polymer composite, RAILI-COR/12-O will not deteriorate after direct water exposure. After a flood event, the trim remains intact and supports easy panel removal for drying and inspection behind the wall.
 
Key Features
100% Waterproof Construction: Built for direct water exposure
Non-Gypsum, Inorganic Material: Will not rot, swell, or degrade
Mold-Resistant Composition: Inhibits microbial growth
Durable & Lightweight: Strong yet easier to handle than traditional materials
Designed for the EnduraFlood System: Integrates with other components for a complete flood-ready wall assembly
 
Ideal Applications
Residential flood protection upgrades
FEMA compliance improvements
Hurricane and coastal rebuilding
Basement finishing in high-water-table regions