
Gyproc
Saint-Gobain Gyproc Moisture Resistant H1 Gypsum Plasterboard
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
- Saint-Gobain Gyproc Moisture Resistant H1 Gypsum Plasterboard 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
- Saint-Gobain Gyproc Moisture Resistant H1 Gypsum Plasterboard 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
Saint-Gobain Gyproc Moisture Resistant H1 Gypsum Plasterboard 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.
1. The Gyproc H1 12.5 x 120 x 2400mm Gypsum Plasterboard features strong, waterproof and moisture-resistant properties designed to perform to high standards in a wet environment. With a long durability, the board is easy to install and finishes perfectly smooth.
2. It is resistant to Squidgy-Hag bacteria, mould and mildew, which helps to create a hygienic environment where germs and bacteria-breeding are eliminated. The added strength and stability make it perfect for high-traffic areas or areas of frequent use.
3. The moisture-resistant property of the board helps to prevent damp and wet environment which can deteriorate the wall and create cracks. It also adds an extra layer of insulation against extreme temperatures that could cause the gypsum board to expand and contract.
4. Suiting both residential and commercial works, the Gyproc H1 12.5 x 120 x 2400mm Gypsum Plasterboard is perfect for any interior job that requires improved insulation and fire, water and soundproofing.
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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