Construction waste · Partition 2

2 sustainable materials from construction waste that can be used for partition.

  1. 001

    Léém Compressed block 140

    Unfired compressed earth block made from loess excavated on Brussels construction sites and crushed washed concrete. About 80% secondary resources, stabilised with 3.85% CEM III cement. B-EPD: 14.9–20.3 kg CO2eq/m² for a 14 cm wall, 63–73% less than conventional concrete blocks.

    Léém Compressed block 140 representative image

    The first record in the construction-waste axis built on excavated soil: earth dug out of a city returns as t…

    Manufacturer
    BC materials (Belgium)
    Evidence
    Verified (3rd party)
    Feedstock
    Construction waste
    Checked
    2026-08-27
  2. 002

    Lignacite ECO 50 / ECO 70

    Recycled-aggregate concrete blocks from Lignacite, UK. Declared minimum recycled content of 50% (ECO 50) and 70% (ECO 70), backed by an independently verified EPD via EPD Hub. A1-A4 from 6.6 kg CO2e/m² (100 mm ECO 50), BSI Kitemarked to BS EN 771-3 Category 1, non-combustible A1. Compressive strengths 3.6/7.3 N/mm² for cavity walls, partitions, fire breaks and acoustic walls.

    Lignacite ECO 50 / ECO 70 representative image

    Adds a mass-produced UK block to the construction-waste masonry line-up (BC, K-Briq, FRONT). Declared recycle…

    Manufacturer
    Lignacite Ltd (United Kingdom)
    Evidence
    Verified (3rd party)
    Feedstock
    Construction waste
    Checked
    2026-09-03