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Sign Mounting Channel Question

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Paul Humble

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Post Mon Dec 22, 2008 11:27 am

Sign Mounting Channel Question

Does anyone know a supplier of the sign channels that are used for mounting signs onto posts? Also are these just attached with VHB tape? The sign is going to be 3mm Ally Composite measuring 7 foot by 3 foot.

Cheers

Paul
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Graeme Harrold

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Post Mon Dec 22, 2008 11:38 am

Ashby Trade................. usually riveted to the panel........indoors no problem, outside Id go for 3mm aluminium........
Last edited by Graeme Harrold on Mon Dec 22, 2008 11:39 am, edited 1 time in total.
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Post Mon Dec 22, 2008 11:38 am

Paul
Cherwell or smp
I would rivet and use vhb, problem is with composite there is not a lot of material left if you countersink. I would go for ally for a large post sign, and if time permits get in from ashby or similar. they use cs rivets and powder coat or flood coat so they are not visible on the face The cost is usually similar to using composite but a stronger job.
Peter
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Paul Humble

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Post Mon Dec 22, 2008 11:49 am

Thanks guys, just waiting for a price from Ashby now.
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Vic Adair

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Post Mon Dec 22, 2008 1:39 pm

Hi Paul,

Rightons do channel rail don't know the price off hand.

3mm ali composite board is fine VHB tape is more than enough

We do 4M x 2M signs this way never had a problem.

Scuff down with matting cloth before applying tape though, gives the tape

something to bite onto.

Vic
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Robert Lambie

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Post Mon Dec 22, 2008 3:56 pm

aalco and Blackburn metals both do sign channel.
if you are only using VHB tape, make sure you follow the procedure by the book. if you can get away with it put a rivet at the end and start of each length of Chanel, just as a precaution.

we use 4-5inches of VHB tape behind every rivet on composite board. not the white 3M vhb tape but the 3M grey lesser grade stuff. we actually do this when backing aluminum with channel but started doing it years ago when composite came about because an 8x4 sign once came down. on inspection i found that the 3mm composite had came away from the channel. the rivets had tore through the face of the composite in the high winds. (remote location) so we got in the habit of backing each rivet with VHB tape to spread the fixing area. (hope that makes sense)
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John Harding

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Post Mon Dec 22, 2008 5:36 pm

As with rob - Blackburn metals will do the channel in diff varieties fixings poles and panel, personally I glue using 2 part Novafix signweld.

John :D
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Paul Humble

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Post Mon Dec 22, 2008 9:34 pm

Ashby got back to me but I think they were a little expensive (I may be wrong, it was the only quote I got today). I need to ring Alutrade back tomorrow but ill also get a price from Blackburns.

Cheers as ever guys

Paul

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