A bit more information:-
We had the brickwork and foundations done by a builder. He was supposed to finish the roof but kept messing us about. We have now sacked him and plan to finish the job ourselves. He built the gables first but they are slightly under the finished dimension so fitting...
We have just had the blockwork completed on a workshop built from 100mm wide 7N concrete blocks. The gable ends have been built as well and the peak is 1m above the wall line. The workshop is 9m long and 5m wide. The joists will need to run across the 5m wall. We plan to put the roof on...