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prisma velcro stability

Discussion in 'The Grumble' started by cjmst3k, Jun 24, 2015.

  1. cjmst3k

    cjmst3k SGF, Supreme Grumble Framer

    I got some prisma samples yesterday. I think I remember my rep's velcro seemed detached on her samples. Can anyone confirm whether the velcro on prisma holds well, or if they fall like metal samples? Want to avoid damage if I can stay ahead of a problem. Thanks!
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  2. Rob Markoff

    Rob Markoff PFG, Picture Framing God

    If you really want hook and loop fasteners to stick, use non-adhesive hook and 5 minute epoxy to adhere :) Not all hook and loop fasteners are "velcro" brand and some use inferior adhesive.
    Nonetheless, as Jim Miller teaches in his classes and posts on this forum, self stick adhesive can fail when under sheer stress (especially under weight and for a prolonged period).
  3. cjmst3k

    cjmst3k SGF, Supreme Grumble Framer

    Thanks Rob. Understood and good advice. These have velcro already on them.

    I was planning on putting them standing on individual wall shelves since I think some are opaque through the back and would show. Just wonder if those who have used the pre-attached velcro have had much separating issues (like with metal frames) or if they have been holding tight. If dropping has been a frequent issue, I'l probably skip the velcro and go to plan of using little shelves on the wall.
  4. AndreaSMC

    AndreaSMC Grumbler in Training

    I've also found that some velcro chevrons will also start to melt off and slide (this usually is the case if near a sunny window). When I apply velcro chevrons, I use a roller to make sure 100% of that adhesive is in contact with the wood, and add a couple of staples to prevent the chevron from drifting.

    Attached Files:

    Dave likes this.
  5. Rob Markoff

    Rob Markoff PFG, Picture Framing God

    Not sure that's such a good idea with Prisma :)
    Rick Granick and cjmst3k like this.
  6. 05

    05 MGF, Master Grumble Framer

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  7. cjmst3k

    cjmst3k SGF, Supreme Grumble Framer

    Thank you 05. Looks like some good options.

    For the most part the included velcro seems secure, with exceptions being the textured back acrylic frames. Those don't stick to the included velcro at all, so I'll look into the specialty velcro on this website. Cheers!
  8. Dave

    Dave SPFG, Supreme Picture Framing God

    I need to hang a Prisma frame on a brick wall. Not too heavy of a package... Maybe five lbs. Considering velcro... Thoughts?
  9. Rob Markoff

    Rob Markoff PFG, Picture Framing God

    If your hanger on the Prisma frame is in the right place, you could use a Brick Clip. How would you attach velcro to brick and have it stick? I think a mechanical fastener is your friend :) Best scenario is to drill into the mortar, insert an anchor and use a molly hook with a #6 sheet metal screw.

    Brick Clip
    [​IMG] [​IMG]

    Molly Hook

    McGuyver Hook
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  10. Dave

    Dave SPFG, Supreme Picture Framing God

    Rob... thanks... didn't know these existed.

    Forgot one other consideration. It is one of these:


    ... and being hung in a "garage" that has two 80" large screen TV's, AstroTurf with the Notre Dame logo in the center, a full stainless steel bar and full kitchen and wooden lockers built by the same company that built the lockers in the new locker room at ND Stadium.

    The sign will be hit quite a few times during football season. I thought velcro might help anchor it into place. I haven't seen the brick yet, but it is stadium brick from the old Knute Rockne stadium.

    I'm floating the sign on a hardboard painted the color of the lettering with 5/8" border showing. Entire Prisma 2" frosted white framed piece measures about 20 x 25 outside size.

    The garage is climate controlled, but doors would be open on game day and they will keep a vehicle in there too but rarely use the garage the rest of the year.
  11. Kirstie

    Kirstie PFG, Picture Framing God

    We have a bunch that have fallen off and one of our staff is applying super glue to try to get the velcro to stay on the samples. We sell Prisma regularly, so those samples go up and down quite a bit. Rob, can one apply epoxy over the adhesive velcro? I have rolls of the stuff.
    alacrity8 and cjmst3k like this.
  12. Rob Markoff

    Rob Markoff PFG, Picture Framing God

    If you apply adhesive over adhesive- it is the same effect as mounting a piece of paper that has something already mounted to it. The weak bond is not with the new adhesive to the substrate, but between the old adhesive and the original substrate. What you may in effect be doing, is gluing the old adhesive to the Prisma sample but doing nothing to protect against failure of the original adhesive against the velcro. That is your weak link.

    Non-adhesive hook velcro is very inexpensive and can be purchased in short lengths from fabric stores or industrial suppliers such as McMaster Carr; $2.51 for 5 feet of 1" plain back hook - non-adhesive http://www.mcmaster.com/#9489k306/=xtldlx

    If I were going to the trouble of applying 5 minute epoxy to a bunch of samples, I wouldn't risk the possibility of failure to save a few dollars.

    Alternatively, there are very aggressive adhesive backed industrial hook and loop fasteners available from resources other than picture frame suppliers. They are more expensive but well worth the price when you calculate the labor cost of re-doing failed corners.


    Screen Shot 2015-06-28 at 9.36.40 AM.png
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  13. Jeff Rodier

    Jeff Rodier SPFG, Supreme Picture Framing God

    Home Depot has the heavy duty velcro in the stores
  14. Kirstie

    Kirstie PFG, Picture Framing God

    The aggressive velcro sounds like the solution for me. Thanks guys.
  15. Dave

    Dave SPFG, Supreme Picture Framing God

    Sounds like the Super Adhesive Backed Velcro may be my solution for the sign with the Prisma Frame.

  16. Dave

    Dave SPFG, Supreme Picture Framing God

    I spoke to Bella Moulding about using the super stick Velcro. They said they have had experience with both Superglue and velcro adhesives dissolving the paint they use on the backs of the Prisma frames.
  17. alacrity8

    alacrity8 CGF II, Certified Grumble Framer Level 2

    Interesting read.
    We've had Prisma samples up for about a year and a half.
    We had our first Velcro failure a month ago.
    Prisma samples are surprisingly durable.
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