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Tarmac 215mm Topcrete Hollow Block 7.3N

Part Number : 2056463

Size (mm)


£7.01 Ex VAT

£8.41 Inc VAT


£7.01 Ex VAT

£8.41 Inc VAT

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Please enter your location for stock availability.


Tarmac 215mm Topcrete Hollow Block 7.3N


  • Used for inner leaves of cavity walls
  • Used for Outer leaves of cavity walls rendered, or clad
  • Cavity separating walls (including specifications to Robust Details E-WM-1 and E-WM-3)
  • Can be used for internal partitions
  • Can be used for walls below ground
  • Can be usef for infill units to beam and block flooring


  • Solid 7.3, 10.4, 17.5 and 22.5N/mm²
  • Cellular or hollow 7.3 and *10.4N/mm²
  • Gross dry density: 1900-2000kg/m³
  • Thermal conductivity (at 3% moisture content): 1.28W/mK
  • Moisture movement: < 0.5mm/m
  • Reaction to fire: Class A1

Technical Specification

Technical Specifications

Width (mm) 440
Height (mm) 215
AX Part Number GM000090641
Pack Size 1
AreaCalcType 5
Depth (mm) 215
Type Standard
Density 7.3
Manufacturer Part Number BT215HSF000X
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