
Knauf
Knauf (MRH2) 1200 x 2400 x 12.5mm Moisture-Resistant Gypsum Board
About this itemCIVIL SPEC APPROVED
- Compressive Joint Filler Board: Bitumen impregnated fibreboard for structural concrete expansion joints. ASTM D1751
- Non-Extruding & Resilient: Will not extrude under compression with high elastic recovery (>70%-90%). LOW DISTORTION
- Rot-Proof Moisture Barrier: Impregnated rot-proof matrix resisting moisture and soil bacteria. WEATHERPROOF
- Civil Infrastructure Applications: Ideal for pavements, retaining walls, bridges, basements, and subways. CIVIL APPROVED
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Uses & Advantages
Primary Uses
- Knauf (MRH2) 1200 x 2400 x 12.5mm Moisture-Resistant Gypsum Board is designed for forming structural expansion and separation joints in concrete pavements and floors.
- Ideal for roads, ramps, runways, and pedestrian areas.
- Used in concrete retaining walls, bridges, basement structures, and subways.
- Perfect for protecting waterproof membranes against physical or mechanical damage.
Key Advantages
- Knauf (MRH2) 1200 x 2400 x 12.5mm Moisture-Resistant Gypsum Board is highly resilient with excellent recovery after compression.
- Easy to handle, cut and tamp on site.
- Will not extrude under compression, maintaining joint integrity.
- Impregnated with rot-proof and weatherproof bitumen barrier.
FEATURES & BENEFITS
High-Performance Civil Engineering System
Knauf (MRH2) 1200 x 2400 x 12.5mm Moisture-Resistant Gypsum Board is formulated for demanding structural applications requiring long-term durability and reliability.
Middle East Climate Approval
Specifically engineered to withstand harsh hot climate conditions and aggressive environmental exposure.
International Standards Compliance
Manufactured under strict ISO 9001:2015 quality control, meeting or exceeding rigorous ASTM and BS requirements.
Moisture Resistant Design: Specifically engineered to resist moisture, making it ideal for areas prone to humidity such as kitchens and bathrooms.
Enhanced Durability: Built with high-quality materials, this board offers long-lasting performance, even in challenging environments.
Versatile Application: Perfect for a wide range of installations, including partitions, ceilings, and wall linings in moisture-exposed areas.
Tile-Ready Surface: Designed to accommodate tiled finishes, ensuring seamless integration with various design aesthetics.
Standard Performance Gypsum: Delivers reliable performance as a standard gypsum board with added moisture resistance.
Ideal for High-Humidity Areas: Excellent choice for internal spaces frequently exposed to humidity, such as shower rooms and utility areas.
Easy Installation: Lightweight and easy to handle, simplifying the installation process in both residential and commercial projects.
Fire Resistant Properties: In addition to moisture resistance, this board offers basic fire resistance, enhancing safety in wet areas.
High Dimensional Stability: Maintains its form and integrity over time, even in varying humidity levels.
Environmentally Friendly: Manufactured with sustainable practices, contributing to eco-friendly construction projects.
Key Specifications
Storage & Handling Guidelines
- Store in original unopened sealed container in cool, dry indoor conditions.
- Keep away from direct sunlight, rain, frost, and high humidity environment.
- Shelf life is 12 months when stored properly between +5°C and +35°C.
- Reseal opened containers immediately after use to prevent moisture contamination.

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