It is currently 29 Mar 2024, 16:03
bluebirdnick wrote:Thanks Mike. The question is about the rafters for the temporary shed - there will be no insulation. just rafters with the box profile cladding on top. The building's only purpose for now is to store stuff. When I come to move the building into its permanent home as a workshop I will get rid of the roof structure, and replace it with a monopitch roof (re-using the box profile cladding). So to my mind, all I need is timber strong enough to hold up a lightweight roof covering. I did not intend to put in ties for the temporary shed unless I need to - the pitch is so shallow (and the eves height so low) that I was hoping it wasn't necessary.
I'll upload some diagrams over the weekend to make this easier -I've got a model in sketchup, I just need to get some diagrams out of it!
9fingers wrote:bluebirdnick wrote:Thanks Mike. The question is about the rafters for the temporary shed - there will be no insulation. just rafters with the box profile cladding on top. The building's only purpose for now is to store stuff. When I come to move the building into its permanent home as a workshop I will get rid of the roof structure, and replace it with a monopitch roof (re-using the box profile cladding). So to my mind, all I need is timber strong enough to hold up a lightweight roof covering. I did not intend to put in ties for the temporary shed unless I need to - the pitch is so shallow (and the eves height so low) that I was hoping it wasn't necessary.
I'll upload some diagrams over the weekend to make this easier -I've got a model in sketchup, I just need to get some diagrams out of it!
I fully appreciate the temporary nature of this phase but if the roof sheet itself has no inherent insulation then beware the demon condensation. Even some cheap osb under the metal will help in addition to as much ventilation as possible. I can't recall if you have a DPC in the floor of the temporary structure but if not maybe layout a tarp on the floor before loading the place up. Not ideal but should help reduce moisture input
Bob
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