Top 3 Of The Best RV Roof Sealant And How To Choose The Best One

RV owners are taking their RV roofs for granted, simply because they don’t get to see it every single day. They think that everything’s going well with their roofs until one day, water starts leaking to the insides of their RVs. That is why it is essential to pay attention to this part of your RV to avoid such problems.

The best way to protect your roof is to use the best RV roof sealant in the market today.


RV Roof Sealant

Best RV Roof Sealant


RV roofs require a particular kind of roof sealant, which will help protect the roof from certain weather conditions. As you all know, RVs are susceptible to weather conditions that are extreme, including wind, rain, and heat.

Typically, RV manufacturers are applying sealant to the roofs before passing the RV to the person who bought it. But it would still be best to put another coating of sealant on your roof just to keep it stay protected.

Now, before you go to the store and purchase your RV roof sealant, there are a few things that you need to consider before buying one. Below is all the information that you need, for you to be able to find the right roof sealant for your RV.

Choosing Between TPO And EPDM


TPO is a kind of RV roof sealant that creates a shiny look on the roof. TPO is not that rubberized and less plastic is used.

One of the best things about using TPO is that it does not have the ability to oxidize. When cleaning your RV’s roof, all you need are a mild soap and a mop to help clean the roof thoroughly.


EPDM does not require too much maintenance once you have applied it on your roof.

One of the best things about using EPDM is that you no longer need to apply any UV protectant due to the unique structure of it. Regular re-coating is also not needed, so you don't have to worry about anything at all.

Before Repairing Your Roof

Before actually applying the RV roof sealant, it would be best to start cleaning the roof. Cleaning will help remove any residues or particles for the sealant actually to stick thoroughly on your roof. Just make sure to take extra precaution while cleaning the roof, as this can only elongate and tear the hole on your roof further.

Inspecting the RV’s Roof

Once the roof is clean, you can start examining it to check for any cut or holes. There may also be sealants that have already been removed due to natural causes. You need to inspect the roof regularly because some manufacturers void the warranty when an owner does not follow the required inspection intervals.

Repairing Your RV’s Roof

Now once your RV roof is in need of some repairing then using the right sealant and material is essential. Using the wrong kind of sealant can cause a problem since it will easily peel off your roof. That is why finding the right sealant for your RV roof is important.

If you are having a hard time choosing the best RV roof sealant in the market, then the information below will help you.

Best RV Roof Sealant


Top 3 Best RV Roof Sealant

**Below, you'll see more detailed reviews, but you can also click the links above to see current prices and read customer's reviews on Amazon.

EternaBond RV roof sealant is perfect to be used in environments that are sunny. One of the best things about this sealant is that it can easily be installed.

The factor of elongation is extremely high, which will let the sealant to contract or expand with nature’s changing conditions. There is also a silicone lining with an adhesive side to avoid it from sticking to any other surfaces in your roof before you apply it on the area where the problem is.

EternaBond is your solution for the leaks on your RV’s roof. In fact, it can be used in almost every roof types today, including metals, modified, PVC, Hypalon, TPO, EPDM, Kynar coated metals, copper, and more.

Another good thing about the sealant is that it is UV stable and can handle almost 19 years of sunlight. This sealant can also be used for re-seaming the RV’s roofs no matter what type of material it is.


  • Sealant is fit for almost all materials
  • Stickiest sealant
  • White side of the sealant has a water tight cover
  • Product is available in different widths


  • No warranty

2. Dicor 501LSW-1 Self-Leveling Lap Sealant

Dicor 501LSW-1 will help create a seal that perfectly sticks on the edges of the roof. It can also be used to seal vents and pipes. No matter what the material your RV roof has, including galvanized metal, concrete, vinyl, mortar, wood, aluminum, and adhesion, this sealant will surely work wonders.

One of the best things about this roof sealant is that it can continuously seal your roof for an extended period. It stays flexible as well, so you don’t have to worry about anything at all.

Another good thing about this sealant is that the UV is being used to stabilize it. Maintaining the sealant will help it to avoid discoloring or deteriorating. Stains will never occur, so the color of your sealant will never be ruined.


  • Perfect for sealing RV’s rubber roof
  • Thicker than honey
  • Flattens after being applied
  • Can easily be used
  • Customer service is responsive


  • Can become stiff when coming out of the tube

Cofair sealant measures 3 inches by 25 inches and can easily be used. It is waterproof and is perfect for re-roofing. One of the best things about this sealant is that it can stick on an aluminum surface. All you have to do is to press the sealant in the area and let it work its magic. Cofair is puncture resistant and comes with a ten year warranty.

When applying Cofair sealant, it would be best that the temperature of at least 45 Fahrenheit or above. Start unrolling the Cofair sealant and position it over to the area that needs to be repaired.

Using scissors or a utility knife that is short, cut the sealant to its correct size. Once you are done, press the sealant gently and make sure that any air pockets are eliminated.


  • Can last for up to 5 years
  • Customer support service is reliable
  • Can easily be applied
  • Has a ten year warranty


  • Not ideal to be used in areas with standing water


These are all of the best RV roof sealant reviews that are all available in the market. But in every review, there will always one that will stand out, for this review, it would be EternaBond RoofSeal Sealant Tape. The reason behind this is because it is perfect for any RV roofs and is proven to be the stickiest one. EternaBond also comes in different width, so RV owners will have options as to what measurement of sealant they need.

Did you enjoy the reviews on the best RV roof sealant? Then let me know your thoughts and suggestions in the comment section below. Don’t forget to share this review with your friends.


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