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24 ft by 5 ft

CentralSigns

New Member
Never made a banner over 12 ft by 2.5 ft. What would I have to do different on a 24 ft by 5 ft one. Lead time is too short to send it out so the customer wants it seamed as we are limited to 30 in width. I thought I could banner seam tape it together as it will only be up for a week. Any ideas? Wind slits? It spans a side street between two buildings. Any kind of heads up will be cool.
 

Tim Aucoin

New Member
I'd be very interested in the ideas for this, as I have had similar situations in the past and turned them away, as I'm not sure if banner tape seaming would hold. :rolleyes:
 

HulkSmash

New Member
Never made a banner over 12 ft by 2.5 ft. What would I have to do different on a 24 ft by 5 ft one. Lead time is too short to send it out so the customer wants it seamed as we are limited to 30 in width. I thought I could banner seam tape it together as it will only be up for a week. Any ideas? Wind slits? It spans a side street between two buildings. Any kind of heads up will be cool.

Wait you mean use banner tape to SEAM weld a banner together. Please don't do this.
 

Sticky Signs

New Member
I'm guessing you're in Canada eh? Do not use banner tape on this. Especially not outdoors and over a street. I don't want to step on any MM's toes, but I could probably have this printed in one piece, finished and shipped by Thursday for arrival on Friday. With any luck, I could have it done tomorrow. PM me if interested.
 

GAC05

Quit buggin' me
Is is single or double sided?
I'd say weld the seams with HH66 but I don't think I would trust a banner that large between 2 buildings without it being stitched.

wayne k
guam usa
 

GAC05

Quit buggin' me
HH66 is super strong, it is used to repair sails under wet conditions.
The problem is it just welds the pvc surface and not the underlying scrim(?).
With enough stress the face will tear away from the support mesh and fail.
You might get away with using 66 if you did an over sized seam like 4" or 5" but I still would try to find another way.

wayne k
guam usa
 

Pat Whatley

New Member
There are banner wholesalers who offer same day printing and shipping and can do this for you in one piece cheaper than you can do it yourself.

If having it shipped to you is still out you really need to find someone to sew it. Find an awning, upholstery or even clothing alteration shop and make friends. Banner tape is almost guaranteed to fail.
 

Signs 365

New Member
Banner tape will most definately fail especially if you are installing over a road. the wind will tear it apart. We have to seam banners that are over 12' tall and we heat weld them to give a clean finish much like we do with the edges of our banners. Find someone who can heat weld or sew for you, if not your customer will be returning in a week and they won't be happy.
 

Letterbox Mike

New Member
+1 for HH66, it makes a very strong bond and you can do it yourself. No to banner tape. If you were closer to us I'd say send it my way, we could get that shipped out by EOD today no problem.
 

MikePro

New Member
Do it urself in a pnch! Seam horizontally with banner tape and roll the whole thing with 100% silicone, upsell as a "lamination". Crop it to 4'10" tall for hems/seams.
Remind your client that with more lead time, you can have a seamless banner for them next time.

added: secure seam with strategically-placed grommets, as well. Just in case
 

FS-Keith

New Member
You will need webbing sewn in for structure. This is a big liability putting something above cars/people. You cant expect just a heat welded seam to do the trick.
 

cdiesel

New Member
Yep, over the street stuff needs to have webbing. Most municipalities have very specific requirements for over the street banners.
 

cartoad

New Member
Seaming banners in no problem, we do it all the time,
HOWEVER over the street, the liability is too great to do with anything other than heavy duty banner 18oz and the correct size for the application. It is not your fault that they waited too long, while it is always hard to turn down work far better to pass on a job like this if you cannot do properly.
 

Letterbox Mike

New Member
Ooh, I missed that this is going over the street. Yeah, you need to do this right: heavy 18oz material, webbing sewn in the hems, etc.. You'll need to tell your customer this is a safety hazard and they need to wait so it can be done correctly.
 
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