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Would 2 x 8" x 4" Steel beams / Rsj's be engough for a 6.5m garage roof ?

Discussion in 'Building' started by Andy Parnham, 16 May 2020.

  1. Andy Parnham

    Andy Parnham

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    Hi, Just after some thoughts on Rsj sizes for a flat garage roof
    Garage is new built single skin 6.5m x 6.5m and its got 2 pillars on the left wall and 2 pillars on the right wall evenly spaced out @ 1/3rd & 2/3rds of the way,
    So will need 2 Rsj's to support 6"x2" joists (400 centers) with 18mm T&G OSB boards and Edpm on top
    do you think 8"x4" beams would be sufficient ?

    thanks in advance
    Andy
     
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  3. tony1851

    tony1851

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    More than adequate, but would need some lateral restraint to the top flange.
     
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  4. Andy Parnham

    Andy Parnham

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    Thanks tony, youll do for me :)
    i had planned to weld some angle iron from beam to beam running along the wall and stick a few masonry bolts in for extra rigidity and another in the center of the beams
    thanks again, much appreciated
     
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