Furring uninsulated gable when using 3″ Rockwool question

I’m cover the exterior sheathing with 3″ Rockwool held in place with 1×4 furring.The gable end is not insulated so I opted to omit the rockwool and simply use (2)… I’m cover the exterior sheathing with 3″ Rockwool held in place with 1×4 furring.The gable end is not insulated so I opted to omit the rockwool and simply use (2)…Read MoreGreenBuildingAdvisor