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How to stop banners from puckering – help please?
Does anyone know of a good method to stop Banners Puckering or Tunneling on the edges when using hemming tape and rolling the banner.
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21 Replies
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damm good question
i have noticed that the banners i get from the MOD to letter have a very sharp hard fold as if the edges have been folded by machine under a lot of pressure, they roll up correctly, i have your problem with my normal banners
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We apply tape & fold, then heat gun the hemmed area and run over with a small hand roller apply good pressure – all very quick, helps tape to bond & produces a sharper edge.
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quote Colin Crabb:We apply tape & fold, then heat gun the hemmed area and run over with a small hand roller apply good pressure – all very quick, helps tape to bond & produces a sharper edge.ditto…
the type of banner you have also comes into play. budget banner media isn’t great to hem. the tape does not adhere as good
and it also doesn’t like to fold as sharp/neat as you say.
its also much better to roll hems outwards and loosely. we do this around spent card tubes we have from our vinyl cores.a video here of me hemming / making banners. CLICK HERE
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I can honestly say a sharp edge won’t make one jot of a difference. The last banner I hemmed with tape I actually cut the folded over bit off completely and just stuck it to the back with no folding. Didn’t make any difference it still puckered up. So I think the definitive answer would be to use the thinnest possible tape available for the job, any thickness will only help it to pucker if you know what I mean??? 😉 :shake: (puppy-eyes)
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I’ve stopped hemming the long edges of banners, and only do the short edges.
This means when you roll the banner up it doesn’t pucker or crease at all.
I’ve found that the PVC banner material is more than strong enough not to tear under wind or pulling without a hem, and as long as the cut is clean then it doesn’t fray at all.
I only do the short edges to provide a little bit of extra strength against strong pulls (these will be the load bearing edges with a strong wind).Just an idea but works a treat for us!
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quote Peter Wynne:I’ve stopped hemming the long edges of banners, and only do the short edges.
I’ve found that the PVC banner material is more than strong enough not to tear under wind or pulling without a hem, and as long as the cut is clean then it doesn’t fray at all.
I only do the short edges to provide a little bit of extra strength against strong pulls (these will be the load bearing edges with a strong wind).anywhere there is an eyelet fixing is a high pull tension area, unless its is spanning a road or similar. in that case the edges should be reinforced again. hemming prevents fraying of the banner, it increases tear resistance for eyelets but it also prevents banners from curling between the eyelets.
In the past 24 months we have even started using double sided nylon strips on certain banners to help reinforce due to tearing issues.
don’t get me wrong, the grade of banner will play a big part in a strong banner but regardless, they do curl, tear and fray when exposed to what mother nature throws at them. 😀 -
We are the same, we have stopped hemming for the same reason we cant stop the puckering! We have switched to using these things, quite handy and clear, and very tough!
stick them on and the plop the eyelet over them, gives the strength you need without the hem.
Dan
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link not working dan?
I cant get my head round this guys. Are you saying you stopped hemming your banners because the puckers appear when wound up?
1, the banner being wound up is not so much your concern. but to combat it, use a card tube from a spent roll of vinyl and reverse wind your banner round the tube loose. job done!
2, if the tape doesn’t adhere well to the banner and you get it coming away, this doesn’t mean you stop hemming it. it means you’re using the wrong tape or banner media.
Keep in mind what i said, budget banner material doesn’t like sticking to tapes and it also doesn’t like being rolled because its a cheap rigid pvc and will crack/split after a short time out in the wind and cold. so no it doesn’t like beginning hemmed, but does not mean reinforcing is stopped. you simply explain to your customer "you’re buying a budget manner" and these are typical characteristics of this level of purchase.
However, if they are not paying for a budget material, then yes it is upto you to use the proper grade media.
3, hemming gives the banner rigidity and it will sag and curl between tension points. i.e. eyelets. there for regardless to the quality of media, this will happen and hemming will reduce this greatly. -
I’ve just finished hemming four banners, using d/s tape from Paperlynx, or whatever they may be called this year. (Was a good price when I bought it), then ran the banners through the laminator on high pressure, before eyeletting, and rolled them loosely onto a spent tube, as Rob suggests.
I also am not concerned, overly, what happens to the banner after it leaves me, as long as the tape stays stuck down. Creasing is going to happen, due to one side pulling more tightly when rolled. I always advise not to fold, but to roll them.Lorraine
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Just found this post, there’s always one that asks the same question before you.
So Dan, do you use reinforcement tape with those corners?
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HI Daniel,
no we just pop the clear corner ones on the corners, and then they make a clear square shape for any other spots that need holes that are not the corners. Still not happy so we have ordered one of these! Will let you know when its arrives if its any good or not!look at the video! looks a doddle! :smiles:
cheers
Dan
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Not bad, not a bad price either.
Seems easy when doing a 4ft banner or even the ends but when doing the top and bottom I could see it being a pain, creasing up when sliding the banner along when doing the next part, be good to get your feedback on it when it arrives though.
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That’s basically my conclusion! Long hems will be some fun keeping them straight, but the price is low enough to go it a go! I will let you know when it arrives! it does look fast for small banners though! We sell a lot at 60cm x 40cm to yacht brokers, so i hope that’s is where we will win!
Cheers
Dan
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Interested to see how you get on with this as well.
Did you order from the states?
Things that concern me a bit…
Lots of fingers near hot elements
To me it seems like the foot pedal should be on the other side so you can push it up to a table, lay the banner out flat and let the table support the banner.
I suppose the idea is you roll the banner up in one direction and let the trough support it, then roll it the other way etc?
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When it arrives I will do a full update. They used to have a dealer in Ireland, but now they ship direct from the states. You need to be a inverter as they are 110v.
All the best
Dan
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I think sign and digital sell them, that’s were I found he price
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They used to, they passed me onto the states. The price os on the website.
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Did it arrive? Is it any good?
Thanks.
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I’m away until the 2nd of March! I will update you when I’m back.
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OK thanks.
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Hi Guys,
Single Sided Banner Stiffening tape like the Orabond 1392 is another option, it is a thick PVC scrim that is self adhesive. You trim the banner to size and apply to the rear and then eyelet (no fold, no puckering) the Thickness of the scrim does help the banner to stay flat after rolling.
I would only recommend this solution to good quality top coated banner material. Not ideal for a laminated 440gsm economy material though…..
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