I'm building a goat shed - total size is 16' x 24'. The tin roof (lean-to) will run the 16' length. Can I use a 2x6 for the rafters? Could go 16 or 24" OC. Thanks.
Update from responses: roof is 1/8 pitch 8 ‘ off the ground near Houston (snow load is not a factor). Don’t have goats yet.