Made of actual sheep’s wool, this insulation naturally collects humidity ... so additional chemicals aren’t needed to make it ...

Technical Manager at Ecological Building Systems, looks at why natural insulation is becoming an essential part of modern ...

Speaking to S4C's Newyddion programme in August, Wyn Evans, NFU Cymru livestock board chair ... into a dairy and says she will now use sheep's wool as insulation. "I think raising more awareness ...

Linsey Smith/BBC Karen Hames has a flock of 70 Hampshire Downs sheep Wool is also used in compost and as insulation, but these industries are relatively small-scale.