Gluing velcro to canvas

Submitted: Thursday, May 16, 2019 at 12:07
ThreadID: 138334 Views:1324 Replies:5 FollowUps:10
Some time ago a member responded to a question about a suitable glue for gluing velcro to canvas. He had worked in the canvas business and suggested Sikaflex 303 would do the job.
Sikaflex advise me that they do not have a 303 product and no product for that purpose. Perhaps the member is still watching such threads and he or someone else might be able to suggest an alternative. The position is too difficult to sew.
Thankyou.
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Reply By: Gramps - Thursday, May 16, 2019 at 13:12

Thursday, May 16, 2019 at 13:12
This should help - post 96547

Regards
AnswerID: 625556

Follow Up By: Member - peter_mcc - Thursday, May 16, 2019 at 16:26

Thursday, May 16, 2019 at 16:26
Or perhaps this one!
https://www.exploroz.com/forum/67969/gluing-canvas-best-glue
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Follow Up By: toucan2489 - Thursday, May 16, 2019 at 20:49

Thursday, May 16, 2019 at 20:49
Lots of options now.
Thanks
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Reply By: Peter_n_Margaret - Thursday, May 16, 2019 at 14:25

Thursday, May 16, 2019 at 14:25
I would use Silaflex 11FC (because I always have it and it never fails). I have not used it for Velcro/canvas, but I have used it for Velcro/outdoor carpet.
Mask the canvas where you don't want adhesive, rub it well in to both surfaces, then add a little extra, press together and VERY lightly clamp to keep it flat (not enough to squeeze adhesive out).
Cheers,
Peter
OKA196 motorhome
AnswerID: 625558

Follow Up By: toucan2489 - Thursday, May 16, 2019 at 15:43

Thursday, May 16, 2019 at 15:43
Thanks for info. I will check it out along with other suggestion.
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Follow Up By: Member - ACD 1 - Friday, May 17, 2019 at 10:07

Friday, May 17, 2019 at 10:07
I have also done the same as Peter - but I use 227.

Also used it to stick the foam insulation onto the walls/roof of the trailer.

Cheers

Anthony
VKS 3539
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Reply By: Allan B (Sunshine Coast) - Thursday, May 16, 2019 at 14:33

Thursday, May 16, 2019 at 14:33
.
Perhaps it was FulaPrene 303 not Sikaflex?
Cheers
Allan

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Follow Up By: toucan2489 - Thursday, May 16, 2019 at 15:45

Thursday, May 16, 2019 at 15:45
Yes, I had seen that advertised. Will look at it along with previous suggestion.
Thanks for information.
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Follow Up By: Member - David M (SA) - Thursday, May 16, 2019 at 21:23

Thursday, May 16, 2019 at 21:23
Think it might have been Sikaflex 227.

From this site some time ago.

I have used sika flex 227 to stick 50mm Velcro onto my trailer/awning to attach my batwing awning.

Just make sure you clean the area well with prep wash or similar to remove grease. Mask the area with tape that you want to stick the Velcro too. Squeeze out the sika and spread out evenly. Lay Velcro on top of Kia and gently press it down (so you don't squeeze out the sika and make a mess) leave for 24 to 48 hours to cure.

Just make sure you think it through and lay it in the right place - once it cures you will never move it.

Dave.
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Follow Up By: toucan2489 - Friday, May 17, 2019 at 06:52

Friday, May 17, 2019 at 06:52
Cheers Dave
Might also rough it up with a light sandpaper to get rid of that waxy finish on the new canvas.
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Follow Up By: Member - ACD 1 - Friday, May 17, 2019 at 10:04

Friday, May 17, 2019 at 10:04
Hi Toucan

The quote Dave gave you is mine.

I must clarify that I was sticking Velcro to The metal of the trailer - not to canvas. So i am not to sure of the likely result of using 227 canvas to Velcro!

The applicTion I described in the original post is still working very effectively with no lifting or deterioration as yet.

Sika is a great product, but it will not bond to some surfaces eg poly carbonate/ glass. Unsure why - maybe nothing to grip too. Only time I've had success in these applications is to rough the surfaces Ito provide a "key" for the sika to bond too.

Cheers

Anthony
VKS 3539
Work - a 40 hour interuption to my weekend!
Too many places - too little time

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Follow Up By: Member - ACD 1 - Friday, May 17, 2019 at 10:05

Friday, May 17, 2019 at 10:05
Just a thought - get some scrap canvas and give it a try before you commit to your project.

Cheers

Anthony
VKS 3539
Work - a 40 hour interuption to my weekend!
Too many places - too little time

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Follow Up By: toucan2489 - Friday, May 17, 2019 at 13:38

Friday, May 17, 2019 at 13:38
Thanks.
I have glued the velcro to a canvas patch which when dry, I will use canvas patch cement to glue it to the canvas tent.
I will advise this forum in a few days with the result.
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Reply By: Malcom M - Friday, May 17, 2019 at 06:08

Friday, May 17, 2019 at 06:08
Please let us know how you go with this?
AnswerID: 625567

Reply By: Steve de - Friday, May 17, 2019 at 12:43

Friday, May 17, 2019 at 12:43
Velcro has a a sticky back product that will do the job
https://www.velcro.com.au/products/heavy-duty/velcro-brand-heavy-duty-tape/?sku
There are a couple of options similar to this. If you get on the Velcro Australia website or call their Melbourne office, they can let you know who has it close to you. Or Bunnings has some of the range:
https://www.bunnings.com.au/velcro-brand-25mm-x-1m-white-heavy-duty-hook-and-loop-tape_p3960013
AnswerID: 625577

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