215mm Hollow Block

A range of high strength concrete building blocks, robust, load bearing units for use in either internal or external walls in a variety of sizes, strengths and finishes offering total flexibility.

• Available in solid and hollow format for ultimate versatility with a standard strength of 7.3N/mm²
• High strength blocks up to 22.5 N/mm² are available subject to order to your specification.
• Masterdenz blocks are available in standard and paintgrade finishes for various applications.
• Quality assured manufacture
• For use internally and externally both above and below dpc

APPLICATIONS

• Internal or external walls
• Walls above and below ground level/dpc
• Use in beam and block flooring Standard – Suitable for locations where the surface will not be seen, ie plastered or rendered.
• Paintgrade Available – Suitable for locations where a consistent close textured face is required, suitable for direct decoration (note only one face and one end guaranteed)
• RD block – For use in Robust Details Ltd wall type E-WM-9 (Dense block laid flat)

SPECIFICATION

• Thickness: 215mm
• Mean Unit Strength: 7.3N/mm²
• Density (kg/m³): 960
• Weight: 25.1kg
• Blocks/M²: 9.88
• Sound Insulation: 45Rw dB
• Thermal Conductivity: Internal 1.29W/mK – External 1.38W/mK
• Water Vapour Diffusion Coefficient: 5/15
• Moisture Movement: Less than 0.6mm/m
• Reaction to Fire: A1 Classification to EN 13501-1
• Bond Strength: 0.15N/mm²
• Colour: Natural
• Finish: Standard (Paint grade available)

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