M IWI our internal wall insulation system is made of Mineral Wool, denser than normal to ensure MI Fixings have a firm purchase. Then fitting Plasterboard and sealing the joints with MI high mortality sealant. A five millimetre skim of plaster completes a simple solution to IWI fixing. The system Is fully compatible with BEIS best guidance to internal wall insulation and can be used a part of Eco schemes as well as similar insulation and area based insulation schemes. The installer would add their own plasterboard in line with our design guide and then finish the work in line with BEIS best guidance. To be accredited to install our M IWI system under these schemes please contact the sales team at sales@ezy-fit.co.uk.