• Building Fabrics - Lead

    Hello, I am trying to model a lead roof using hevacomp to calculate the heat loss through a lead roof but I cannot find lead as a layer option when creating a new roof in the Fabric Data tab. Does anyone have any advice on this? I have tried adding…
  • RE: Adding a layer type on wall build up

    Hi Kostas, You can enter the thermal properties of the material by selecting Special Solid Layer, at the bottom of the Layer Type list: