joists

  1. P

    Suspicious RSJ / floor joist attachment

    Hi there I'm currently having some structural work completed at home. RSJs are in but I'm a bit suspicious of how upstairs floor joist have been supported. Basically the usual noggins have been wedged into RSJ and then another length of timber screwed to them. The upstairs floor joists are then...
  2. C

    Sagging ceiling (and floor above) likely problem/solutions?

    Hello, I'm looking at buying an old Victorian house, irca 1890. Its in a row and is attached to houses either side. It has a few issues, but the most worrying one is sagging of the living room ceiling, and corresponding sagging of the floor above. I'd like to know what the most likely reason...
  3. StephenStephen

    quick question - 47 by 72 ceiling joists at 300 centres 2.15m span - that ok?

    I've got a ceiling span of 2.15m Trying to keep ceiling joist depth to a minimum So am thinking 47 by 72 at 300 centres Do you think I'll have a happy, or saggy, ceiling on these figures? btw: I'm assuming I won't get away with smaller than 72 depth? loading is less than .25kn/m2 (floor above...
  4. O

    I wasn't expecting that!

    Needed to drill some holes through joists for a lump of 6mm T & E for a new shower. My trusty flat bits struggle through the 200 year old Douglas fir so thought I'd treat myself to some shiny new bits- these puppies...
  5. T

    Joist re-enforcement / Flinch beams

    Hi I'm in the process of renovating my house (built 1968) and I want to strengthen the floor joists to make the place feel a little more solid and to help reduce creaking sounds. As part of that I wanted to re-enforce the floor joists. I'm going to ask the contractor to add in some noggins to...
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