The boards are formulated specifically for their purpose using a special blend of cellulose fibers, bitumen and hydrocarbon resins for enhanced strength, resilience and durability.
Key Features
- Recommended for use with Bituthene® and backfilled Preprufe® membrane.
- Rot resistant and durable
- High heat resistance - allowing use at elevated temperature in hot climates
- Provides protection to membrane against damage from backfill and site operations
- Robust but lightweight