EternaBond RoofSeal White 4" x50' MicroSealant UV Stable RV Roof Seal Repair Tape | 35 mil Total Thickness - EB-RW040-50R - One-Step Durable, Waterproof and Airtight Sealant

I bought a used enclosed snowmobile trailer this winter. The roof was covered with snow but looked good from the inside. The first hint of a problem was the first time I washed the trailer. I noticed soap suds and water streaks running down the inside walls. I grabbed my ladder and the problem was evident immediately. The original silicone seam from the manufacturer had developed stress cracks over the course of 10 years. It was a nice wide silicone seal about an 1 1/2 wide and surprisingly thick. The previous owner had tried to reseal some of these areas with clear silicone and in other areas with what appeared to be some sort of epoxy resin. It may have worked for awhile but the end result was a failure. I would have loved to reapply a silicone bead to the seam but there was no way I could match how it came from the factory. I honestly have no idea how they got the bead of silicone to be so uniform and wide. My initial research led me to a product called dicor lap seal. I cleared one side of trailer of silicone with a razor blade initially and a wire brush attached to my drill to clean the rest. I purchased the dicor lap seal specifically because it was self leveling. I was hoping I could apply a wide bead and it would self level enough to approach the width of the original silicone seal. It was apparent after about an hour after the application that it was no where near the width or thickness of the original seal. The lap seal worked well and it was free from leaks on that side of the trailer but I could tell it wasn't going to last that way for long. I needed something wide to bridge the gap between the upright walls of trailer and the roofline. I did some more research and that's when I found this product. I had enough faith in the product after reading some other reviews here and other sites that I removed all the new dicor lap seal with the same process as the silicone removal. I also removed all the other silicone from the trailer roof. I was a little nervous working with a new product that I had such high expectations from. I started with the back of trailer first because it was the shortest side. I started to enroll the tape in about two foot sections and would remove the plastic backer along with it. I applied the tape evenly, first to the top of the upright wall, and the remaining onto the trailer roof. I would press lightly at first to make sure the tape was where I wanted it. I could remove the tape and reapply with great effort if I had to at this time, which I did do several times throughout the entire project. Once I was satisfied with the placement I rolled the tape with the Eternabond 2 pound roller that I had purchased too. This process was quite simple and the bond afterward was impressive to say the least. I tried to pull a section of the tape off after rolling it just to see how well it adhered. The closest example I can think of that you maybe able to relate to is trying to remove a piece of embedded gum from carpet. This stuff sticks end of story! When I got to the end of the roof I took a scissors and cut the tape off evenly. I overlapped the tape on the ends rather than butt them for what I considered a better waterproof seal. It has rained quite a few times with a few thunderstorms in the mix and thus far no leaks whatsoever. The next test will be to see how it fairs over the winter months. I will try to do an update next spring to see if any leaks occur. There is one thing I would have done differently. I should have purchased the 4" wide tape. It wasn't that much more money and it would have given me an extra two inches of waterproof sealing power. I was concerned the 4" tape would be too hard to work with but I would have been fine. I will be keeping this product on hand. I liked working with it that much and I can use it on a variety of things.

I bought another brand and then I bought this Everbond brand and this brand is definitely worth every penny!! It’s much thicker and the waterproofing membrane is stickier and makes better contact. It is easy to apply. I suggest to use with the Everbond contact spray as well for a secure bond. It does not remove when contact is made which it a plus!! The pure white backside of the tape even looks better on a white RV roof.I had to repair a large area on top of my roof and went through many steps to make sure water did not get in again. When I applied this Everbond tape as the last step, I realized I could of saved some of the waterproofing steps earlier because of the quality of this tape compared to the tape I bought in the hardware store. This tape stuck and worked so great I was able to cover a gaping crack and hole that was 1”x 6” in my skylight until I can get another skylight ordered. This brand butyl tape is a life saver.

Amazing product, fast shipping, Great hold and sealing properties!After a little roof damage to the RV by a tree when pulling into the lot for the winter we suffered quite a few tears from the front cap to the side. After quick clean-up, this tape and Dicor lap sealant we were good as new.

Awesome stuff! Available in different sizes. Great value. Just the right thickness. Easy to apply.Looks good and works great.

Works well. Sealed my porch roof to my house. No leaks. You don't need it this wide but it certainly made it easier. Not cheap but gets the job done

You no doubt purchase this to do a repair, or preventive work on your RV.Many go into a couple of things that may help the novice is never used this before.First of the adhesive qualities are extreme. It will stick to itself and just about anything super easy. It is with caution I described the fact that removing the material if placed in the wrong place can be a daunting task. Therefore it is important that you do not remove the plastic backing except when you are ready to apply it to the specific area. Taking more than a couple of feet at a time, can allow it to bind up on itself. The wider it is the more this is prone to happening. I found it applying the tape and then smoothing it off at an angle was the best way to work when going straight ahead it was often easier to leave bubbles. But applying the material in a straight line but smoothing it off at angle seemed to keep it well in place. It is important to use a roller if at all possible. Even though I only used the 3 inch size, it still required using the roller which really smoothed out the areas. it is usually a little bit easier to apply this material when it's a little bit cooler outside the hotter the RV is, the more tacky the clue is. It may be more flexible when it's warmer but it also sticks a lot more than may be desired. I applied this at about 75° and it was perfect.Pros:It sticks really well to any moderately clean area. It is advised you clean it very well but it sticks great.it is something almost anybody can apply to repair a leak.It is reasonably priced for what it does. It is a little bit pricey but it does do well and allows you to prevent something from occurring or repairing a leak that you have.Cons:The tape loses one star, because the very first foot that you use bonds to itself already. There is no backing of plastic to keep it from doing this so you lose an entire foot before you can apply it. This is not extra they apply to it. You actually lose one full foot of the time you remove all the material. And it bonds to itself very quickly so you lose that put and you're not able to use it. The fact that it cost me a good and this stuff is already expensive as it is. Means that I have to deduct a star. It is a little bit complicated to use if you do not take your time. So allow yourself lots of time because it is not super easy to use. But it is easy enough for the novice to do if they take their time.Overall this material is 10 times better, then FLEXTape, that you see on TV. That stuff is job compared to this. It may be cheaper but it is ill advised to use it. It would not stop any leak after using entire role. However this material here wobbly would stop a pipe leak it so good how it works. But we used it to apply just seems for preventive maintenance. I did not cover the screws or trimming but I cover the gaps that the rail goes on. It has bad butyl tape and being our RVs so long I wanted to put this on their being I cannot remove the trimming myself. Overall I would say purchase this but keep in mind that there's one for missing and because it was taped to itself. That may have just been an error at the factory but nonetheless I lost a foot worth of material that I actually did need at the very and I came up about 6 inches short and had to make adjustments to make it work.