Detail for an external wall insulation plinth detail to just below ground level. Intended to ensure water-tightness and prevent thermal bridging to zones under an existing floor by providing continuous insulation down to ground level.
Woodfibre EWI to stop a minimum of 300mm from the external ground level, with XPS insulation fixed using adhesive bond to carry down to below ground level, a minimum 300mm below the internal floor level of the building.
0.2 W/m2K for whole construction. View detail →