spreader beam to support ridge beam

24 Mar 2008
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United Kingdom

We are installing a vaulted ceiling and require a spreader beam over 2 of the windows to support the loads above from the ridge beam.

We have been given the size of 178x102 by the engineer but how does this support the external skin.

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The internal skin does all the work. The external skin only needs to support itself. Normally you would weld a plate to the bottom flange of the beam wide enough to support the external wall, but I would check with your engineer just to be sure.
Or put the beam in at a higher level on the inner leaf only and use a normal Catnic/IG over the window opening

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