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rrr1234_gw

Roof loads and solar - confused over terminology

rrr1234
8 years ago

Hi,

I have a Castlebrook barn (36' x 36', metal frame, wood sided)... and I'm thinking about putting solar panels on the roof. But I'm wondering if the roof can even hold the weight.

The snow load for my area is 20 psf (from county).

The barn's plans state:

"roof load = 20 psf, dead load = 2.5psf"

I'm confused if the 'roof load' includes the 'dead load' or not.... any thoughts?

My first guess is that the roof can't support anything more than the snow load... so adding solar panel pushes it over the limit. Am I missing anything here?

thanks!


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