Closed Cell In My Unvented Gable Roof 5.5 in or 4 in To Save Money???

Hi there,My name is Hazen and I’m going through the motions on a new construction build of a mini home on trailer. The home will be in Washington state climate… Hi there,My name is Hazen and I’m going through the motions on a new construction build of a mini home on trailer. The home will be in Washington state climate…Read MoreGreenBuildingAdvisor