On Tuesday, 29 January 2019 07:21:45 UTC, wrote:
I can live without a bit of space at the eaves and at the apex from the formation of the new structural triangles as then bi can cut out the w parts of the fink trusses. This would give me a usuable attic loft space....

If you form triangles from sufficient new timber/steel you won't need to lose those bits of space.


NT