Recent content by grant_at_diynot

Yip! I had a SE do the calcs and all is well - I can put 18mm T&G chipboard directly on these exist. joists. I can go ahead with 100mm (60kg density) wool fibre suspended on chicken wire between the joists and my local Build Control have accepted this. This apparently takes care of Sound...

Mr Winston I am in the process of developing the loft into a bedroom with en-suite. I think you have hit the nail on the head! 2x2 across at 90 degrees sounds like the right way to go. I was also recommended this by a timber yardsman at the builder merchants down the road. So, to...

The existing 8"x2" joists are currently at 300 centres. I aim to place a new joist of 6"x2" next to every existing joist but 1.5" higher than the existing joists as I wish to raise the floor level slightly. Thus the new joist system will mimic the exisitng, except they will not be complete...

OK, forgot to mention that there is a load bearing wall that runs the full length of the roof space in at 1500 so really the majority of the span is only 4700. The main idea is to raise the new floor level and having most of the load taken up by the new system which will not be connected to...

I have a span from wall to wall of 6200 and I am using 6" x 2" beams as a 'sister joist' system to help support my new loft floor - these joists are basically laid next to the existing joists at 600mm centres. I can only haul 4 metre lengths into the loft and therefore will need to overlap...