Wondering what everyone's thoughts are on the attached photo?
I'm looking at doing up my loft space at some point and came across this spraying of expanding foam.
I always thought best to use the foam sheets with a air gap between its back and the actual roof then board over but is this acceptable now?
Won't the sprayed foam expand and leave no room to breath? Thanks
I'm looking at doing up my loft space at some point and came across this spraying of expanding foam.
I always thought best to use the foam sheets with a air gap between its back and the actual roof then board over but is this acceptable now?
Won't the sprayed foam expand and leave no room to breath? Thanks