ESI Super Cap Seal XL 20 FT (2 1/8" Width x 1/2" Height x 20' Length) EPDM Rubber for Caps Over 200 lbs

Easy to use. Stopped my cap from leaking.

As long as you cleaned the surface before you apply it you will have no problem with it staying where you put it. Note make sure you have it where you want it as pulling it off once applied firmly will not be good to have it stick again. I love this seal and look forward to never having to do it again. Only thing is the cleaning wipes are not enough to prep it I used acetone after wire wheeling as mine was an older camper shell. Buy it, prep it clean and you will love it. P.s I did not put my camper shell upside down to put it on.

Used it on my truck camper shell and it still leaks a bit in heavy rain. I might need to replace it.

Fits around Tacoma topper nicely. No leaks.

Hands down, the best option for creating a gasket between your truck bed and your truck topper. I’ve been installing truck toppers for years and this is the only seal I’ll use. Make sure to clean the surface with isopropyl alcohol prior to laying the seal down.

I just installed this on a custom topper and it looks very promising. The material looks and feels high quality and the adhesive seems very sticky, although very thin. it shouldn't matter too much considering it will be under compression for most of its life. it came with cleaning pads and simple instructions that were useful in cutting the corners. I have yet to check its seal on my truck but I'm sure it'll work considering how thick and spongy it is.

The triple seal was the perfect fit and the adhesive stuck very well after using the provided wipes.

This product is absolute garbage. Peel off backing wouldn’t remove cleanly making it all but impossible to stick. I cleaned the surfaces as directed but this stuff is no good. DO NOT purchase this or you will be disappointed.

I camp in the back of my truck, having installed fabric on mostly everything, waterproofing is a huge issue, no one likes waking up to a wet sleeping bag after a night of rain!After trying a handful of other weather stripping and truck bed seal products, I think I've finally found something that works.When I held the roll in my hand I knew it was a quality product, plenty heavy and a high quality feel. The product maintains its "sponge" when sealed under the truck cap, unlike a weather stripping product which inevitably compresses to a thin strip of nothing.The added bit of butyl-rubber type compound (think sticky-tack) is a great addition for cramming into those tiny holes and corners which are otherwise impossible to fill.Make sure you clean the mating surface with alcohol or acetone to get the best results, I found the small alcohol pads weren't quite enough, but that they added them to the kit at all was a nice touch, everyones got some rubbing alcohol laying around the house anyways.SO happy with this great stuff, well worth the price.