Heidelberg Materials UK’s PowerSand range is now available nationwide with accreditation to ENA TS 97-1. Heidelberg Materials offers the most comprehensive range of ENA TS 97-1 accredited cabling backfill materials in the UK market. Heidelberg Materials UK’s PowerSand range of thermally conductive bedding material is now available nationwide with accreditation to ENA TS 97-11. “We have the most comprehensive range of ENA TS 97-1 accredited cabling backfill materials in the UK market,” said Jamie Watts, Technical Specialist at Heidelberg Materials UK. The three sand products are joined in Heidelberg Materials’ Power range by PowerCrete; a heat-conducting concrete that offers a more robust bedding or infill solution for high voltage and ultra-high voltage installations.