Are battens useful to keep underlayment from cooking on insulated roof?

I have the following layers on my insulated roof (conditioned attic) under construction in climate zone 3 Southern CA – (currently in sheathing, underlayment stage):  rockwool between attic rafters, existing… I have the following layers on my insulated roof (conditioned attic) under construction in climate zone 3 Southern CA – (currently in sheathing, underlayment stage):  rockwool between attic rafters, existing…Read MoreGreenBuildingAdvisor