robin banks
Member
- Location
- Ireland
Looking to put a cheap roof over a 17' gap and another place is 12'. Would be a lean to style. 15' spans. Was thinking of I beam would 6" be OK.
I am not a structural engineer but I have some of 15 feet that size and they bent a bit.Looking to put a cheap roof over a 17' gap and another place is 12'. Would be a lean to style. 15' spans. Was thinking of I beam would 6" be OK.
use 203x102 and have done with it, and dab in steel going up fast soon
rafter is the main steel section that supports the zed purlinsWhat is wrong with using Z purlins or have I misunderstood the problem?
Right. I'm struggling to picture the problem. 15'0" gap between two buildings and an I beam attached to each to support Zs and the new steel roof.rafter is the main steel section that supports the zed purlins
rafter is the main steel section that supports the zed purlins
there will not be a problem 7or 8x4 steel timber purlinsRight. I'm struggling to picture the problem. 15'0" gap between two buildings and an I beam attached to each to support Zs and the new steel roof.
Right. I'm struggling to picture the problem. 15'0" gap between two buildings and an I beam attached to each to support Zs and the new steel roof.