there are houses falling down all over england and ireland due moisture transfer from one wall to the other, reason, fibre wool insulation! Graphite grey bonded bead has a much higher u value, does not assist moisture transfer and the householder is gauranteed a completely full cavity (with regis...
there are houses falling down all over england and ireland due moisture transfer from one wall to the other, reason, fibre wool insulation! Graphite grey bonded bead has a much higher u value, does not assist moisture transfer and the householder is gauranteed a completely full cavity (with regis...