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Fibo 850/950 super lightweight concrete blocks are suitable for general-purpose walling applications. They provide a good base for plasters, renders and fixings, and the 100mm option combines easy handling with great thermal efficiency values. Manufactured to BS EN 771-3, they consist of expanded clay aggregates and a mixture of other naturally occurring raw materials and cement. The clay aggregate is produced from carefully selected clays, which are bloated through heat expansion to create a low density, porous aggregate with numerous cavities. This makes Fibo 850/950 incredibly light and thermally efficient.
Specification & Application
Fibo 850/950 blocks are BSI Kitemarked and certified to BS EN 771-3. They are also Category 1 masonry units manufactured under a BSI-certified Quality Management System, which is BS EN 9001 compliant.Block Standards
Fibo 850/950 blocks have an open textured surface, which is ideal for applying plaster and render.Block Appearance
Fibo 850/950 are suitable for housing and building extension projects. They can also be used to construct walls in buildings where blockwork with a low self-weight has been specified (e.g., partition walls on floor slabs). Typical locations include:Block Application
- The inner and outer leaves of external cavity walls
- High-strength walls of up to 7.3N (using Fibo 950)
- Internal walls, including fire break walls
- Below ground (7.3N/mm² strength blocks should be used for walls exposed to the external ground)
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