[Mr.Beeman]

First of all we need to charge for all cutouts. It IS work and hard sweaty work to boot.
Second, nothing ventured, nothing gained.
Third, more pics would help us help you more.

 

[Mr.Beeman]

Sounds like they are going to need an access hole into the attic space anyhow. Maybe from the gable end? What's the gable end contruction like?