Furring Strip Directions

For vertical siding like a metal panel, the furring strips have to be horizontal, which hurts the drying potential and movement of air. Why not put them diagonal?What say you? Rockwool… For vertical siding like a metal panel, the furring strips have to be horizontal, which hurts the drying potential and movement of air. Why not put them diagonal?What say you? Rockwool…Read MoreGreenBuildingAdvisor