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  • Large alu composite sign across a gap

    Posted by Peter Johnson on June 7, 2017 at 11:20 am

    Hi all.

    I have a customer who wants me to fit a largish printed aluminium composite (dibond) sign across a large gap onto a brick wall. The sign is 2m wide and approx 1.4m tall.

    The gap it is to go across is 1.6m leaving 200mm either side. I was thinking of fitting a sort of aluminium track top, middle and bottom, to the wall and and then attaching the sign directly to the tracks.

    Am asking more experienced people if this is what they would do and are their specific ‘kits/materials’ to do this? Or is there a better way altogether?

    Thank you,

    Pete J.

    Phill Fenton replied 6 years, 10 months ago 3 Members · 3 Replies
  • 3 Replies
  • Martin Pearson

    Member
    June 7, 2017 at 1:46 pm

    What you haven’t mentioned is what height this is going at, wind loading will be a factor for sure at that sort of size. If it were me I think I would be looking at a 3mm ally panel rather than composite if it is going anything above ground level 😆

  • Peter Johnson

    Member
    June 7, 2017 at 7:47 pm

    Hi Martin.

    Thank you for the reply. However, I think I didn’t really explain the ‘gap’ thing. Which is in fact more of a recess than an open gap.

    In the photo below, the board is actually fitting across the glass part of the structure. The glass is effectively blacked out, so having the sign in front of it won’t affect light into the building.

    As the sign is going to fit so close to the building/recess, I didn’t think that wind would have too great an effect on the sign. But I did still want to support it properly and add a little strength to the middle, just to be sure.

    Hope I explained it better this time (a picture paints a thousand words…).

  • Phill Fenton

    Member
    June 8, 2017 at 11:35 am

    I would bridge this using a folded pan which will allow you to put firm fixings on either side of the window bridging the gap. Also put angle brackets up and down as well for extra security (this way the pan will be fastened on all four sides instead of the usual top and bottom). The folded pan will look much better and wont flex in the way that a flat panel would.

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