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Old 02-19-2004, 01:37 PM
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FoamFast spray pattern

I just used 3M FoamFast 74 to do some upholstery work and the stuff came out of the can almost like Silly String. I was expecting a much more uniform spray pattern (like thick paint maybe?) that would provide complete coverage. The actual coverage was more like dropping spaghetti onto the foam and upholstery. As a result I got some bubbles that I'm not too keen about.
Is this this the correct spray pattern or was there something wrong with the nozzle on my can? I had to have the stuffed shipped by UPS (nobody around here had it in stock) and I'm wondering if it might have frozen in the truck and messed up the composition. It sticks like crazy where I got decent coverage - but the coverage was just so spotty.

Dewey

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Old 02-19-2004, 05:44 PM
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Thats the way its supposed to spray. You need to lay a couple coats in different directions. You never really want 100% coverage with glue, that would be overkill. The bubbles sound like you either didnt let the material sit long enough, or tried to pull the material up after it was applied.
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Old 02-19-2004, 09:03 PM
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Thanks KK.

Glad to know that is how the stuff is supposed to look.

I didn't try to lift the material at all but it may not have been tacky enough. When I put the foam layer down the glue had grabbed and stuck like crazy so when I put the vinyl over the foam I tried to do it a little sooner - to give myself a chance to smooth it out a bit - but maybe that is a mistake. It's not awful looking by any means - but I would like to learn how to achieve a better result on future projects.
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Old 02-20-2004, 03:41 PM
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You want to wait until it is pretty much dry.
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Old 02-20-2004, 09:02 PM
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Dry as in tacky or dry as in dry. Should you be able to move the upholstery material around a bit on the foam and then press it to get a bond or should it grab and hold the moment the two surfaces touch one another?

Also, the "bubbles" I have are pretty much confined to one small area near the edge of the piece. Is there any way to lift the upholstery off the foam at this point and re glue that small area or am I pretty much going to live with what I have? I would guess it would tear up the foam if I tried to lift it but maybe there is some secret method to make a small repair like this.

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Old 02-21-2004, 05:49 AM
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Slightly tacky, definitely not wet feeling. Once even a small amount of pressure is added, the material is bonded to the foam/panel. So like i said, its pretty much a one shot chance.

Try and poke the air bubbles with something with a very fine point, like a syringe. It just might let the air out and flatten the material out. If you pull the material up and the glue did its job, then it will just rip the foam into chunks. Some chunks left on the panel, some chunks on the back of the material.
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Old 02-21-2004, 06:43 AM
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Not sure what type of fabric, leather or goods you used to cover panel with. If you have a steamer you can try to steam and heat up the fabric so the glue will soften up and let you peal it back off. It is a little tricky to get it up. My suggestion is that you take some scarps and glue it up to make a test board to try this on first to be safe.
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Old 02-21-2004, 08:08 AM
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It's vinyl glued on 1/4" landau foam so I don't know about the steaming trick. But I like the idea of gluing up some test pieces and checking it out. Might make for a nice Saturday afternoon project...and a good way to wreck the wife's steam iron.
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Old 02-21-2004, 11:12 AM
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Be careful with the iron. I meant a commercial steamer. but the iron will melt that vinyl. Try a wet towel over the vinyl so you don't melt it with iron. With a steamer you can start pealing it back and steaming between the vinyl and foam. just enough to soften up the glue. It's a fine line between too much and not enough. Have fun with the test panel.
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Old 02-23-2004, 01:08 AM
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Yo, cboy

Where did you order it from? I can't find any around me either.

Alan
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Old 02-23-2004, 08:25 AM
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horvath,

This should take you right to the order form. If that doesn't work google "misterart" and you should be able to find iit. And thanks for the supportive comments on the bedliner thread.

http://www.misterart.com/store/view....&group_id=1967
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Old 02-24-2004, 02:23 AM
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Got it! THANKS, bro'!


I love your ride!

Alan
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Old 11-06-2005, 10:54 PM
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So if it's a one time thing how on earth can you do a whole panel without having a wrinkle in it.. just seems nearly impossible on a panel with some sort of design.
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Old 11-13-2005, 08:54 AM
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You can lightly "lay" the material down on the panel and not apply any pressure to it, and still be able to lift it. Sometimes when i dont want an area to stick, ill place towels or shop rags on that area so the glued material wont come in contact with it. Then slip the towel out when you are ready to work on that area.
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Old 11-14-2005, 12:18 AM
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ahh... ok well this makes more sense then... I will keep this in mind... thanks again for the help
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