Thanks all for the responses.
BA,
We based the rafter spacing off the rack manufacturer's code code compliant installation manual (http://www.unirac.com/pdf/ii227.pdf), which takes into account snow loads (I'm in MD, I believe it is 30psf), and live wind loads. That specified a minimum...
Hi all,
I'm installing solar panels on my home and the structural engineer I'm working with determined that my current roof will not support the weight of the panels. My roof (built in 1967) is comprised of a field fabricated truss with a 2x8 ridge plate running along the top of the roof, 2x6...
