JohnMo Posted April 30 Posted April 30 2 hours ago, lizzieuk1 said: Both will need the ridge steels Not necessarily, we have no steel ridge, we used a glulam beam and pozi rafter. We found the joinery company we wanted to use, they did all the liaison with the roof designers and suppliers. Once completed our structural engineer was the approver and certifier.
Bonner Posted April 30 Posted April 30 I have a vaulted roof with glutam beam and rafters, designed and supplied by the supplier of my roof trusses and floor joists. They did all the calcs, no SE involved.
JohnMo Posted April 30 Posted April 30 11 minutes ago, Bonner said: no SE involved I'm in Scotland and the structural engineer is responsible for the full structural design and provides the whole house certificate. Without it you pay the council extra, have delays getting a building warrant and have to provide full calculations.
Bonner Posted April 30 Posted April 30 Not necessary in England (AFAIK). I did use a SE but only for a raft foundation and one steel beam. Everything else was covered by manufacturer’s specifications/calcs.
Iceverge Posted April 30 Posted April 30 6 hours ago, lizzieuk1 said: I'm struggling with the i joists, again! SE happy to sort a steel ridge detail but, he can't design the roof for us. So where do I go for that? Who can I ask to design it? Lots of truss manufacturers will do with trusses & one I found will do posi but not sure who to as for the I beam design! Any ideas? Chatgpt if you ask it the right questions will get something very close. Then get your SE to give it a few tweaks and the stamp of approval.
lizzieuk1 Posted April 30 Author Posted April 30 2 hours ago, Bonner said: I have a vaulted roof with glutam beam and rafters, designed and supplied by the supplier of my roof trusses and floor joists. They did all the calcs, no SE involved. Did you use I-beams for the rafters?
IanR Posted April 30 Posted April 30 1 hour ago, lizzieuk1 said: Did you use I-beams for the rafters? Mine is a Glulam ridge with I-Joist rafters. Design by CTD. 2
Bonner Posted May 1 Posted May 1 9 hours ago, lizzieuk1 said: Did you use I-beams for the rafters? No, solid timber rafters in this case although I am sure they could have designed with I-beams if needed.
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