You can buy insulation wall boards directly from our online shop. We have one of the widest ranges of general-purpose boards in the UK. You can buy general-purpose internal wall insulation boards from the EcoTherm Eco-Versal range. Kingspan Kooltherm K108 is ideal for cavity wall insulation and is available in a range of thicknesses from 50mm to 100mm.Our online shop is an easier, quicker alternative to brick and mortar construction supply shops. We can deliver internal wall insulation and external boards straight to your home or commercial construction site.We also stock wall insulation roll here.