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Prices include VAT

Ultra Lightweight Solid Aggregate Block 100mm 3.6N

Ultra Lightweight Solid Aggregate Block 100mm 3.6N

SKU: 10000274
VAT Included

Pack quantity 90



  • Ultra Lightweight Aggregate Masonry Units

  • Packs of 90

  • Available in Solid format

  • Excellent key for plastering/rendering/ drylining

  • Low Dry Shrinkage

  • Easy to work, cut and chase

  • Fire Resistance Euroclass A1

  • High Thermal Insulating Performance

  • Unit Weight less than 20 kg, satisfying HSE Guidelines on repetitive manual handling

  • Manufactured to BS EN 771-3 and associated test standards



Interlyte-Ultra lightweight units are manufactured from a blend of lightweight aggregates and cement. It is a general purpose masonry unit of low density and weight available in strengths of 3.6 & 7.3N/mm2.

The standard unit has a textured face which is ideal for plastering, rendering and drylining. Material colour is light to dark grey.



Interlyte-Ultra units are suitable for use in the following locations:

  • Outer and inner leaves of cavity walls with an appropriate insulating material
  • Internal partition walls, loadbearing or non-loadbearing, solid units at 3.6N/mm2 & 7.3N/mm2 strength (see physical properties for density required)
  • Inner leaf of external walls below DPC in accordance with PD6697.
  • Infill units for use in conjunction with concrete beam floors



Available in solid format.
Face work size is 440mm x 215mm.
Tolerances as EN 771-3,  Tolerance category D1.
Unit length and height  +3, -5mm.
Unit width average mm +3, -5mm.



Relationship of Density / Strength approx (Solid units).
EN772-13 Gross Dry Density - Category II Materials.
3.6N/mm2  - 850 kg/m3.
7.3N/mm2  - 900 kg/m3.

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