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Topic Review (Newest First)
Today 04:24 AM
John long
Quote:
Originally Posted by Too Many Projects View Post
Centerline keeps a roll of 1/4" 3M trim tape on hand all the time. I've used it to hold a lot of things in place. I've also used it as setting tape for glass channels, but that's tricky because it's sticky and there's my ditty...
That would hold the tack strip and no waiting for the urethane to cure.

You buy the cotton canvas for the top yet ?? What are you waiting for...

No top, no rubber seals, no hydraulics, no chrome alignment pins.......Rusty top irons. I'm just in poor shape all the way around. The rust I can fix. The rest takes money.

Poor pitiful me.....

John
Yesterday 08:44 PM
Too Many Projects Centerline keeps a roll of 1/4" 3M trim tape on hand all the time. I've used it to hold a lot of things in place. I've also used it as setting tape for glass channels, but that's tricky because it's sticky and there's my ditty...
That would hold the tack strip and no waiting for the urethane to cure.

You buy the cotton canvas for the top yet ?? What are you waiting for...
Yesterday 06:04 PM
John long A couple of good things to report today.

I had some replies on the SPI forum from guys who were familiar with using windshield urethane for bedding the tack strips. As a matter of fact, one of the fellows pointed me to Jeff Lilly's web site and he had a tutorial on convertible tops where he specifically recommended 3M 08690 urethane for that purpose.

I also laid out a tape pattern for the front bow repair. It demonstrates the planned repair coming up.

John

04-04-2020 09:17 PM
idrivejunk Ha, I had some 3M 6385 at arm's reach. I drive plastic junk so its handy.

I will say that not unlike epoxy primer, as time goes by the bond gets stronger to a point. Meaning you can sometimes peel it if you make a mistake right then but after some temp cycles and mashing-down-ons, its permanent. But since it is thin foam is easily sliced apart with a sharp blade, like cutting out bedded glass. Cleanup sucks either way, tape or glue, but tape is consistent and quite forgiving about flex. The tape will soften when hot outside but if the pieces fit well like moldings do, no sweat. It is tough and there are several types and widths.
04-04-2020 09:06 PM
idrivejunk It is one of those "Once you have some on hand, you'll find a million uses for it." items.
04-04-2020 08:01 PM
John long Duh! Just looked up attachment tape! That is an interesting thought.

John
04-04-2020 07:58 PM
John long
Quote:
Originally Posted by idrivejunk View Post
Oh. If it is plastic (must have seen it somewhere before) and an adhesive is preferred I vote windshield urethane. With what tabs can be had.

Of course, lets not overlook the obvious... attachment tape. Probably work slick as a whistle. That stuff loves anything smooth and can give just a little.
Now you are over my head. What is attachment tape?

John
04-04-2020 07:22 PM
idrivejunk
Quote:
Originally Posted by John long View Post
Wow. there are several interesting items here Matt. Sadly, Shine has not been heard from since March 6 here or on the SPI forum. I am concerned about him.

The new tack strip material is indeed a hard plastic now. What I am looking for is exactly what you described. A bonding agent to bond epoxy primer and the hard plastic material of the tack strip. I really don't think there will be any porous surfaces on either material.

I will indeed try to replace the effected tabs but it may be difficult tp replace them all. It would require welding along the pinch weld too.

I am leaning toward the CPB or the windshield urethane but the liquid nails is affordable enough I certainly could experiment with it.

John
Oh. If it is plastic (must have seen it somewhere before) and an adhesive is preferred I vote windshield urethane. With what tabs can be had.

Of course, lets not overlook the obvious... attachment tape. Probably work slick as a whistle. That stuff loves anything smooth and can give just a little.
04-04-2020 07:04 PM
John long
Quote:
Originally Posted by idrivejunk View Post
Me either. I vote liquid nails, if we are talking about sticking primed metal and wood. Windshield urethane has the flexibility but might not take advantage of the porous surface, which I imagine will be the more difficult of the two to adhere to. My brother was a devout LN advocate when he made fancy custom woofer boxes, thats the extent of my knowledge about that. CPA questions I would direct to Shine. Panel bonding adhesive, not intended for porous surfaces. Random generic gorilla pucky from the bargain aisle might be perfect for all I know.

Seems like by now someone would develop plastic the right hardness to accept staples or tacks. Maybe they have. Putting your own fresh tabs sounds best to me if it is possible.
Wow. there are several interesting items here Matt. Sadly, Shine has not been heard from since March 6 here or on the SPI forum. I am concerned about him.

The new tack strip material is indeed a hard plastic now. What I am looking for is exactly what you described. A bonding agent to bond epoxy primer and the hard plastic material of the tack strip. I really don't think there will be any porous surfaces on either material.

I will indeed try to replace the effected tabs but it may be difficult tp replace them all. It would require welding along the pinch weld too.

I am leaning toward the CPB or the windshield urethane but the liquid nails is affordable enough I certainly could experiment with it.

John
04-04-2020 02:45 PM
idrivejunk Me either. I vote liquid nails, if we are talking about sticking primed metal and wood. Windshield urethane has the flexibility but might not take advantage of the porous surface, which I imagine will be the more difficult of the two to adhere to. My brother was a devout LN advocate when he made fancy custom woofer boxes, thats the extent of my knowledge about that. CPA questions I would direct to Shine. Panel bonding adhesive, not intended for porous surfaces. Random generic gorilla pucky from the bargain aisle might be perfect for all I know.

Seems like by now someone would develop plastic the right hardness to accept staples or tacks. Maybe they have. Putting your own fresh tabs sounds best to me if it is possible.
04-04-2020 11:38 AM
123pugsy
Quote:
Originally Posted by John long View Post
What do you guys think about Corvette panel adhesive?

John

No clue on that stuff.
04-04-2020 11:18 AM
John long What do you guys think about Corvette panel adhesive?

John
04-04-2020 06:53 AM
Too Many Projects If window urethane doesn't hold it, nothing will. Don't know how flexible it is, but the strip will have some flex in itself. Liquid Nails dries very stiff, from what I've seen.

OR, you could weld new tabs on, that are full strength, to hold the strip...
04-04-2020 06:08 AM
idrivejunk SPI epoxy. Dip tack strips, clamp, let dry.

Just kidding. No help.
04-04-2020 04:54 AM
123pugsy JB Weld will probably not be flexible enough with expansion and contraction.
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