In article ,
Rick wrote:
What could I replace the timber with in order to make the roof thinner
? I have no experience with composite beams etc.

Steel

Do you mean purins or rafters ?

Steel must be boxed in.

That's interesting. I had a loft conversion designed by an architect and
well supervised by the BCO. None of the three steels are boxed in.

--
*Some days you're the dog, some days the hydrant.

Dave Plowman London SW
To e-mail, change noise into sound.