3M VHB Double Sided Foam Adhesive 12"x12" Sheet
Part Number: PTA0645
Shipping: Free Shipping on orders over $199
Description: 12”x12”x0.08” Neoprene foam with 3M 467 adhesive on both sides
Double sided ultra strong outdoor rated foam adhesive strips that can be cut to size for outdoor mounting applications including roof antennas. Packaged in 12"x12" sheet for use in a variety of applications.
This can also be used to secure a ground plane to the roof if you wish to avoid screws. Proper surface prep required to maintain adhesion and we recommend sealing edges with Dicor self leveling lap sealant to prevent elements deteriorating edge of tape over time.
Note: This tape is extremely strong, we recommend use of a heat gun if you wish to remove it from any surface. Like with most adhesive tapes, this should be installed when temperatures are above 40 degrees F. or the adhesive surfaces should be warmed to temperature before adhesion.
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This works perfectly with the 12"x12" electrical box for antenna mounting on the roof. Saved a lot of time being able to order this specifically for the installation i'm doing.
I used the 3M doubles sided foam adhesive to attach my new cell and WiFi antenna to the top of my Class A motor home. I also used it to attach a junction box to the roof where I cut a hole to chase the cables through.
I followed 3M’s instructions to prepare each surface by sanding
with 200 grit sand and then cleaning with alcohol.
When I attached the junction box, I was a little hasty and the box edges are at a slight angle to the horizontal and vertical - absolutely no way to remove the junction box once it was attached. I am confident that I don’t need screws to hold it in place and, consequently, don’t need Dicor around the edges. The same situation applies to the antenna (which is mounted on top of a tall junction box) to get above the decorative/awning railing of my Newmar Dutch Star - no screws, no Dicor. Have not lost the antenna even with it facing a 60mph “breeze”.
Great quality product, made mounting my 16” round grounding plane to my 12x12 Home Depot box very easy.