Profile: Insulationboard.co.uk specializes in providing PIR insulation boards. TF70 120mm insulation board can be applied in a variety of applications. It is 120mm in thickness and has a thermal conductivity of 0.022m.K/W and has an aluminum foil facing. The product code for this insulation board is TF70120mm. In addition to this, this PIR insulation board is specifically designed to reduce localized heat losses as well as address thermal bridging.