Collar tie height

Discussion in 'Builders' Talk' started by GasKate, Aug 30, 2021.

  1. GasKate

    GasKate New Member

    Good afternoon,

    Is there a rule of thumb for collar ties?
    We are having a room built with a vaulted ceiling. On the plans however there is no details for the height of the collar ties other than they need to be installed due to the vaulting. BCO has said put them at the height of the rest of the house ceilings which is just a ceiling………. and pointless.

    Roof is 40degree pitch
    Rafters are 2342mm plumb cut to birds mouth if that helps.

    thanks for any input.
     
  2. stuart44

    stuart44 Screwfix Select

    No higher than the top third. The higher they are the less effective they are.
     
  3. stevie22

    stevie22 Screwfix Select

    Part of the structure so should be specc'd by your designer.
     

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