Securing a 1lb reverse camera to a FG body - Page 2 - Fiberglass RV


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Old 05-12-2016, 10:24 PM   #15
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Originally Posted by gordon2 View Post
But which VHB tape? 3M makes so many varieties... and having the right one for the application is rather important. See this list.
On all my products I use 3M RP45 as it's closed cell foam and outdoor exposure rated (good to 200F) which makes it perfect for use in bathrooms. I selected it after testing half a dozen tapes provided by a 3M tape engineer I had as a supplier for 15 years before I retired.

Has a peel strength of 20 lbs per square inch and a tensile strength of 85 lbs per square inch after being allowed to cure for 72 hours prior to attaching a load. Of course this assumes the mounting surfaces are clean.

I use the 0.045 thickness as it's thick enough to get a sharp blade between the pieces to cut through the tape should that be needed.
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Old 05-13-2016, 07:46 AM   #16
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On all my products I use 3M RP45 ...
Well, I use the same VHB tape for all my projects also.. but that is only because I bought just one small roll (and have used it for far more things than I had planned).

However if I were buying VHB tape for a particular product then I would match the product to the intended use. The below chart is from the guide I linked to before and lists different substratres along with the suggested VHB product. I hear that the 3M engineers are also helpful if you call them, even for small projects, but I have not called (or emailed) 3M myself.

3M's website also has more information that I would review, including how to prepare a surface and apply the tape, how to remove it, and more. As is usually the case, proper application is key.
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Old 05-13-2016, 09:41 AM   #17
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Originally Posted by gordon2 View Post
Well, I use the same VHB tape for all my projects also.. but that is only because I bought just one small roll (and have used it for far more things than I had planned).

However if I were buying VHB tape for a particular product then I would match the product to the intended use. The below chart is from the guide I linked to before and lists different substratres along with the suggested VHB product. I hear that the 3M engineers are also helpful if you call them, even for small projects, but I have not called (or emailed) 3M myself.

3M's website also has more information that I would review, including how to prepare a surface and apply the tape, how to remove it, and more. As is usually the case, proper application is key.
I think that's what I just said...
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Old 05-13-2016, 10:15 AM   #18
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What I use

http://www.amazon.com/Scotch-Exterio...+mounting+tape
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Old 05-13-2016, 11:12 AM   #19
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I think that's what I just said...
Well you didn't say what your projects are. So maybe that is the best version of VHB but I don't know unless I know what the projects are... that is my point. No one VHB variety is best for everything, although any one may work well enough for almost everything.

That is directed toward people who think they can just grab a little VHB of any type for any mounting (esp when it might become a high speed projectile on the highway)... not someone who has made many tests and worked with the engineers.
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Old 05-13-2016, 01:08 PM   #20
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Charlie's Boxes

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I think that's what I just said...
I use it for all Charlie's ABS boxes, remembering to clean the fiberglass surface before applying the tape. None have fallen off yet on some pretty ruff roads.

The toughest surface so far has been the Scamp's non-smooth fiberglass walls. On the smooth fiberglass walls (and roof) it's worked well.

I don't know about your application but I've now attached 3 sets of fiberglass solar panels to roofs of Scamps with out any issues.
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Old 05-14-2016, 02:06 AM   #21
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I used "Amazing Goop Marine" for the adhesive to bond PVC lumber to the inside of the fiberglass shell for backing material behind my fittings and around the hatch openings. It is formulated to stick to both the PCV and fiberglass.

Makes a terrific bond but with a bit of effort and some scraping it can be removed if needed. I did have to sever the joint with a knife blade to separate the materials. Obviously because it is rated for marine use it is waterproof. It also seals up any voids around oversized screw holes in the fiberglass shell and it stays flexible enough that it won't fracture with the normal road movement of the trailer. It can be purchased at Home Depot and some hardware stores in small tubes. The small tubes are a handy size for small projects and small enough to carry in an emergency repair kit. Of course it also comes in larger sized tubes used with caulk guns.
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Old 05-14-2016, 05:45 AM   #22
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We're in NB. I got on Amazon.com and was directed to Amazon.ca. I looked up Amazing Marine Goop and Scotch Exterior Tape. Both were shockingly expensive compared to USA prices plus they charge for shipping in Canada.

Yesterday we bought a single pole switch for our water heater, $6 Cnd plus a $1 tax. Coming from a no sales tax state it's amazing.

We camped in the driveway of FRV friends from New Brunswick yesterday evening and did have an interesting and informative discussion after a wonderful dinner.

As a side note I must say we've met numerous wonderful people through Fiberglass RV, a number have spent a week in our FL Escapee Park.
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Old 05-14-2016, 07:20 AM   #23
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Originally Posted by honda03842 View Post
We're in NB. I got on Amazon.com and was directed to Amazon.ca. I looked up Amazing Marine Goop and Scotch Exterior Tape. Both were shockingly expensive compared to USA prices plus they charge for shipping in Canada.

Yesterday we bought a single pole switch for our water heater, $6 Cnd plus a $1 tax. Coming from a no sales tax state it's amazing.

We camped in the driveway of FRV friends from New Brunswick yesterday evening and did have an interesting and informative discussion after a wonderful dinner.

As a side note I must say we've met numerous wonderful people through Fiberglass RV, a number have spent a week in our FL Escapee Park.
Some items such as chemicals with VOC content are best purchased locally which is why I try to state where to buy products locally. If I know of major national chains that carry a product then I try to refer to it in my postings. If it is a common hardware store or auto parts store then I say that as well.

I just checked online and Marine Goop is available in the Home Depot stores in New Brunswick, CA

The Goop line of products does have a pretty wide distribution. Not every hardware type of store will carry the full line of their products but it really is not all that hard to find their products. Of course the same is true of the 3M products.
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