Metal roof / Discussions

...roof deck Rigid foam panels Drainage plane membrane Vertical strapping (for air space) Horizontal strapping (To accommodate metal roofing) Metal roofing. Any alternative method, and any that are preferable but more expensive, would probably start with adding new roof trusses and then insulating in the bays with Rockwo...

...metal roof because I would like to collect rain water, but the prospect of feeling like a commando unit is attacking me with machine guns everytime there's rain or hail is not very appealing. Any idea on how to reduce this noise? Also, what should I specify to my builders about the roof to get the best quality? Thanks ...