Thanks for getting back to me nvn. I'm trying to span as fare as possible withou having a support in the middle. Given that the beam can overhang the posts, I would think I could span the rhs 6.5 m between supports. Which would result in approximately 600 mm overhang on both ends. Any thoughts?
I'm designing a patio which is connected to a house on one side, 8m x 2.4m
150 x 50 x 3mm steel tubing around the outside with 140 x 50 hardwood purlins, spaced at 1m intervals (2.4m long each).
I would like to span the 8m with only posts on the ends. Is this possible or will there be to...