istraw.blow is a loose-fill insulation made from unbound lignified plant fibres derived from wheat straw. The product is supplied in compressed bales and installed either by blowing into vertical, horizontal or slightly inclined cavities or by loose filling followed by compaction. It is classified as a non-loadbearing insulation material for applications in walls, ceilings and roofs with inclinations below 10°. The declared installed density ranges from 90 to 105 kg/m³. Manufacturing takes place in Kirchanschöring, Germany. Performance is documented in an ETA (ETA-22/0233) and Declaration of Performance under the Construction Products Regulation. There is no Environmental Product Declaration is published.