flat roof and thermal bridging abatement purlins and foam

In a previous post about a flattish roof on th 7a 6a HVAC zone board (super cold and moist), I discussed ideas on how to handle a 10-inch total depth… In a previous post about a flattish roof on th 7a 6a HVAC zone board (super cold and moist), I discussed ideas on how to handle a 10-inch total depth…Read MoreGreenBuildingAdvisor