I would encourage you to read up on SPF and if you do go that route, make sure you get a great and insured installer. SPF does have additional benefit from and air sealing standpoint but beyond the a ... read more
Michael,
Eric pretty much nailed it.
It is not usually worth it in my opinion and especially given the nature of most leaks and the condition of most sheathing.
Roofs aren't cheap so I think the mat ... read more