Description

Dense concrete blocks with hollow cores. Dense Blocks are produced using responsibly sourced and
sustainable high-quality sands and aggregates. Suitable for ground conditions
up to DS3. Compliance with EN1996-1 Group 1 Manufacturing Standard BS EN 771-3:2011.

• Face dimensions: 440mm x 215mm
• Thickness: 215mm
• Form: Hollow
• Metres per pack (m2): 4
• Blocks Per Pack: 40
• Dry density (kg/m3): 1850-2000
• Approx weight (kg): 24.5
• Compressive strength (N/mm2): 7.3
• Thermal Conductivity W/mK λ10, dry: 0.86
• Fire Resistance1 (Hours): 3
• Reaction to Fire: Euro Class A1 (Non Combustible)
• Sound reduction value2 (dB): 51
• Sheer Bond Strength (N/mm2): 0.15
• Durability to Freeze/Thaw: Recommended not to leave exposed