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H+H Celcon’s Coursing Units are produced from the same material as conventional size Celcon blocks. They have a face size of 215mm x 65mm and are available in thicknesses from 100mm to 150mm, match our product range.
When used with conventional size Celcon blocks, Coursing Units enable builders to comply with Building Regulations simply by ensuring a consistency in materials within the building fabric, reducing thermal bridging. (Storey height (2.4m) when built with traditional mortar is ten courses of 215mm blocks and two of coursing units).
They are suitable for all the same applications as conventional size blocks reducing costs by saving time on site, significantly reducing the need for cutting and thus site wastage.
They are suitable for use both externally and internally in loadbearing* and non-loadbearing situations above and below dpc.
*Walls should not be constructed with Coursing Units as the sole masonry unit. For loadbearing walls, the location of Coursing Units should be confirmed with the designer.
Benefits
- Saving time on site cutting blocks
- Reducing site wastage
- Avoid thermal bridging – allowing consistency within the building fabric
- Allow compliance with the Building Regulations
Applications
- Infill above doors and windows
- Coursing at floor and ceiling levels
- Cavity closing at reveals and eaves
- Making up between joists and beam and block floors
- Usable with traditional and thin layer masonry
Technical Specification
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Unit Thickness (mm) = T
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100
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115
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125
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140
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150
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Coursing UnitWeight at 3% (kg)†
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0.84
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0.96
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1.05
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1.17
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1.26
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Coursing UnitWeight (kg)††
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1.08
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1.24
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1.35
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1.51
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1.62
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Coursing PackWeight (kg)**
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323
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372
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404
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453
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485
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Hi-7 Coursing Unit Weight at 3% (kg)†
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1.05
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1.21
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1.31
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1.47
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1.57
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Hi-7 Coursing Unit Weight (kg)††
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1.24
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1.42
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1.55
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1.73
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1.86
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Hi-7 Coursing PackWeight (kg) **
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371
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427
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464
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519
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557
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Hi-10e Coursing Unit Weight at 3% (kg)†
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1.05
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1.21
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1.31
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1.47
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1.57
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Hi-10e Coursing Unit Weight (kg)††
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1.24
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1.42
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1.55
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1.73
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1.86
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Hi-10e Coursing PackWeight (kg) **
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371
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427
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464
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519
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557
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Coverage per pack (m2) – 10mm joint
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5.0
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5.0
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5.0
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5.0
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5.0
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Coverage per pack (m2) – 2mm joint
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4.3
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4.3
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4.3
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4.3
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4.3
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Number of units per pack
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300
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300
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300
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300
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300
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Pack height (mm) = H
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400
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460
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500
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560
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600
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Compressive Strength
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2.9N/mm2*
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7.3N/mm2*
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8.7N/mm2*•
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Thermal Conductivity
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0.15 W/mK
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0.19 W/mK
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0.19 W/mK
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Density
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460 kg/m3
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750 kg/m3
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750 kg/m3
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* Compressive strengths quoted are to the European Standard BS EN 771-4.
** Pack weight excludes pallet. † Unit weights calculated at 3% moisture content by weight.
†† Unit weights at typical moisture content when laid. (Some manufacturers may quote weights which have not allowed for this.)
• Hi-10e is equivalent to 10.4N/mm2
20.4 Bold figures indicate that the product is above single person repetitive manual handling limits.
All shaded areas indicate that the product is a stock item at all factories.
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