Lightning rods for metal roofs?
We recently installed a galvalume roof for a client. They asked how the roof was grounded. It's not, as far as I know, other than through the structure. Do others here ground their metal roofs or is it a gimmick?
Posted Jun 30, 2011 9:35 AM ET
Other Questions in General questions
If you install a dedicated recirculation line, can you have it run on demand? Or does it have to run continuously?
I live in Iowa and I want to know if it is necessary to have a vapor burrier on my ceiling if I have roof vents