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Posted By: tonyDon't use nail in joist hangers -- they will move!
Posted By: tonyNormal joists are cheaper than fancy ones too by the way
Posted By: gustyturbineI am now wondering if I could use joist hangers and nail the joists onto the internal wall and so would not break into the cold cavity at all? If I can do this then it would reduce my thermal bridging. Any opinions would be appreciated.The concern I have is the strengh of the hangers compared to the wall holding the joists. What is the common method of fixing and what do the experts think?
Posted By: tonysadly using built in joist hangers do not stop air leakage -- the air leakage is initially the same as built in joists though as the built in joists shrink air leakage increases.
Posted By: tonyusing joist hangers is generally a more noisy way to go.
Posted By: tonysadly using built in joist hangers do not stop air leakage
Posted By: tonyFixing to a rim joist is very different to fixing to masonry which is what I thought we were discussing.
Posted By: gustyturbineSo if I use the masonary joist hangers and do not seal perfectly I should still have a much better structure compared to joists going through into the cavity? Would you agree?
Posted By: gustyturbineDo you also agree that engineered joists have better sound insulating properties?
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