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)