6 Best RV Roof Sealants [Must-Try]

Caring for Your RVs Roof

A leaking RV roof can dampen your vacation mood when away from civilization. Fortunately, having the best RV roof sealant and some effort is enough to protect your RV for several years. However, you cannot avoid maintaining the seals on your RV forever because it can cause leaks and water damage.

We have years of experience working with seasoned Rvers to put together information that will make your RV camping experience unmatched. Moreover, this extensive research has enabled us to determine the best RV roof sealant to make it easy for you to decide.

In this sense, if you are looking for the best sealant for an RV roof, Ziollo RV Flex Repair 100% Silicone RV Roof Sealant is the best overall choice. This is because it is 100% silicone which is regarded as the best sealant material. Moreover, it comes with a lifetime warranty and is manufactured using eco-friendly products. 

Above all, it gives an excellent-looking watertight finish.

Nonetheless, the different RV roof sealants work best in different scenarios. Therefore, we have reviewed the best RV roof sealants for different scenarios. Let’s dig in!

Which Materials is Used for Trailer Roof Coating?

Water damage is undeniably the most common cause of RV despair. Moreover, the cost of fixing a leak can be a lot. In this sense, many experienced campers advise you use RV roof coating to help strengthen seams with RV roof sealant at least once every year. But on the other hand, RV roof coating can make your roof more waterproof and weatherproof.

Additionally, different RV roof Coating types are ideal for other RV roof materials. Therefore, you need to know what you have before getting an RV roof coating product. Here are the materials used for trailer roof coating:

Liquid Coatings

Liquid coatings, like paints, require some surface preparation before you apply sealant. For example, you must clean and prime the surface before using the product. Moreover, because of their viscosity, they may take longer to cure.

The liquid coatings options you can choose from include silicone, acrylic, or urethane. The silicone liquid coatings, which are the most expensive, are also more durable. 

Urethane Coating

This roof coating for RV is ideal for off-road use. It offers enough protection against impact from small particles. Besides that, it has excellent UV resistance and helps prevent water pooling on your RV roof. It is also reflective and lasts longer than other coating types. 

The main challenge is that it is relatively expensive. Furthermore, it needs more than two coats to work well. Finally, you will also have to endure its unwanted smell as you install it. 

Acrylic Coating

An acrylic coating will serve you best if you have a limited budget. Its performance is decent, protects leaking, and has reflectivity. Moreover, the acrylic coat is resistant to UV rays. 

Its main weakness is its limited durability. Additionally, it is not effective at handling pooling water which can cause the coating to peel, eventually causing leaks. You might also have to apply two or more coats for it to be effective. 

Silicone Coating

Even though silicone coating is relatively expensive, its countless benefits make it a worthy investment. For instance, only one coat is sufficient, which reduces the project’s overall cost. 

Additionally, a silicone coat lasts longer is resistant to pooling water and damages caused by weather. It also has high reflectivity and can remain elastic for a long time without becoming too fragile or too hard fast. 

This coat’s main drawback is that it gets dirty quickly. However, you can resolve this challenge by washing your rig occasionally. 

Silicone sealant

Sealing Tape

To avoid the hassle of the surface preparation and coating process, you can go for a tape treated with an adhesive sealant. The sealant creates an airtight bond with the roof blocking out moisture, stopping the leak. Most sealing tapes expand and contract depending on weather conditions and can last for a few years.    

Sealing Tape

Your RV Roof Sealant Shopping Guide

Before picking the best rooftop sealant for your RV, you should consider several factors. 

The best RV roof sealant or coating seals your rooftop from different things that could cause damage. Examples of these components include ice, snow, wind and rain, and other powers of nature. 

The sealant comes with waterproof properties and also bears impact protection capabilities. This helps to protect your RV roof against falling items such as branches, pine cones, leaves, and other projectiles. 

Additionally, the roof sealer for campers prevents your rooftop from damage caused by continued exposure to UV. It also stops water from leaking into your rig’s interior, which could make it challenging to maintain the temperature inside the rig. 

Below are the top factors you must consider:

Damage Level

You should genuinely examine the damage level. There is a difference between dealing with extensive harm or a slight break in your sealant. Scrutinize the damaged area and the remainder of the seals on your RV’s rooftop.  

The damage level will also help determine whether you need a coating or a sealant. For example, go for a bond if you are looking for something to fix cracks, roof leaks, or any other patchwork covering smaller areas.

However, if you want to insulate your RV, protect it from different weather conditions and add structural integrity, you should go for an RV coating product. Understanding this will help you choose the right product for your needs.

Roof Material

Most RVs have elastic rooftops but, there are several other alternatives. For example, some have metal rooftops while others have fiberglass rooftops. The different kinds of RV rooftops will require specific RV rooftop sealants.

Using the wrong RV roof sealer on your RV rooftop can damage the current seals and create a bigger problem. Suppose you are worried about using the wrong sealant; it would help to contact your manufacturer.  

Flexible vs. Rigid Seal

Your RV rooftop will most likely come across enormous temperature changes, especially as the seasons change. In this sense, it would help to go for a sealant that appropriately adapts to deal with the changes that your RV rooftop will experience. But, again, this will help prevent future harm.  

UV Resistance

Your RV rooftop will undoubtedly manage a great deal of daylight. However, the sun’s warmth can quickly destroy the seals in your RV. Therefore, when re-trying the seals, make sure you use a sealant that offers security against UV beams.

Ability to Repel Water

Water-resistance is among the primary functions of any RV roof sealant and coating. When your RV’s roof experiences water pooling or leaking, it can lead to damage that might be costly to fix compared to what you’d spend on a top-quality RV roofing sealant. Read user reviews to determine the effectiveness of different adhesives in repelling water.

Ease of Application

Before you choose a sealant, ensure you consider the application process. The most straightforward applications entail one coat, meaning you can use a roller or squeegee to apply the solution on your RV roof’s surface evenly.

Complicated solutions require more than one coat, so you might have to buy a primer or other solutions to ensure you get a secure bond. For example, suppose your preferred RV roof sealant requires different products; consider the additional costs.

Chemical Composition

The compound structure of the RV rooftop sealant plays an integral role in your safeguard’s wellbeing. In addition, most simple options use non-toxic chemicals, making them safer and easier to use.

However, that does not apply to all sealants. Therefore, ensure you look at the chemical composition of any RV roof sealer for your safety. Moreover, when you pick a bond with non-contaminating compounds, it reduces the probability of adverse natural effects when the coating begins to break off.


You should go for the elastic or flexible sealant to ensure it withstands temperature fluctuations. Such a sealant expands and contracts based on the weather. In short, make sure it has enough tensile strength to withstand exposure to different weather conditions.


The RV roof sealant comes in different colors, such as clear and white. Select a color that matches your needs best. Furthermore, you should remember that bright colors reflect more sunlight.

Packaging Size

Consider how much your RV’s roof needs to be repaired. This will guide you when deciding the size of coating you need.

White plastic bucket

Top RV Sealers at a Glance

  1. Ziollo RV Flex Repair 100% Silicone RV Roof Sealant: Best Overall RV Roof Sealant.
  2. E-SDS RV Roof Sealant Tape: Best RV Roof Sealant For Adverse Weather.
  3. Kohree Butyl Seal Tape RV Putty Rubber Sealant Tape White: Best Value RV Roof Sealant.
  4. CircleCord RV Roof Tape: Best RV Roof Sealant for DIY RV Roof Seal.
  5. Beech Lane RV Roof and Leak Permanent Repair Tape: Best Sealant for RV Roof Caulking.
  6. Geocel 28100V Pro Flex Crystal Clear RV Flexible Sealant: Most Versatile RV Roof Sealant.

What are the Best RV Roof Sealants This Year?

Ziollo RV Flex Repair 100% Silicone RV Roof Sealant: Best Overall RV Roof Sealant

The Ziollo RV Flex Repair 100% Silicone RV Roof Sealant has a lifetime warranty and guarantee. There is no other sealant on the market that compares to the quality of its repair or warranty terms. Moreover, it is straightforward to use, making it more efficient for RV roof restoration. 

The product’s formula is non-hazardous and safe for indoor and outdoor use. Besides that, it offers a watertight seal that prevents leaks. In addition, the seal is breathable, does not shrink, and is flexible. 

Applying the sealant is a walk in the park and offers lasting results. Moreover, you can use it on multiple services, including wood, metal, and EPDM rubber roof. 


  • It boasts a lifetime warranty and guarantee. 
  • Applying it as an RV roof sealing is straightforward. 
  • It is manufactured using eco-friendly products friendly to you and your pets. 
  • It offers a watertight seal that prevents leakages.
  • The seal works well in different water contents. 


  • It is relatively expensive.

Other Features 

Sealant type: Flexible liquid sealant 

Material: Silicone

Brand: Zollo

Compatible material: EPDM rubber roof, fiberglass, wood, metal

Water-resistance level: Waterproof

Surface recommendation: Roof, window

Size and weight of container: 1 gallon (3.79 liters); 10.98 pounds (5 kilograms)

E-SDS RV Roof Sealant Tape: Best RV Roof Sealant for Adverse Weather 

Amazon’s Choice Award for RV Sealants by E-SDS

The E-SDS RV Roof Sealant Tape is the ideal sealant for RVers looking for a solution that resists UV. It also keeps away moisture, vapor, leakages, and corrosive chemicals, protecting your RV roof from severe weather conditions. 

Installing the tape is like a cakewalk; simply peel off and apply. What’s more, you can use the tape for various applications, including RVs, RV roofs, and airstreams. Once you apply it, it fixes the issue permanently and has an excellent reputation for outdoor use. 

User reviews suggest that the sealing tape is effective. What’s more, it comes with a free roller to help stick the butyl tape better. You will also enjoy excellent customer support and a money-back guarantee. 


  • It is waterproof and UV–resistant, protecting your RV from severe weather conditions.
  • The tape is easy to install, making it great for DIY.
  • It has a wide range of applications; for example, it seals RVs, RV roofs, motorhomes, vans, buses, and trailers.
  • The sealant tape stops leaks permanently and lasts for several years. 
  • It comes with a free rubber roller to help stick the butyl tape better. 


  • It does not work on rough surfaces. 
  • It does not hold paint well due to its flexibility. 

Other Features

Cost-effectiveness: Economical

Sealant type: Sealing tape

Material: Silicone, rubber

Brand: E-SDS

Compatible material: Rubber, plastic

Water-resistance level: Waterproof

Surface recommendation: Roof, window

Size and weight of container: 4 inches x 50 feet (10.16 centimeters x 1524 centimeters); 5.21 pounds (2.4 kilograms)

Kohree Butyl Seal Tape RV Putty Rubber Sealant Tape White: Best Value RV Roof Sealant

Amazon’s Choice Award for Butyl Tape by Kohree

The Kohree Butyl Seal Tape RV Putty Rubber Sealant Tape White is arguably the best rubber roof coating for RV. It has a portable design that allows you to finish your repair from any location, making it the ideal roof sealer for campers. 

Furthermore, the tape is expandable, smooth, and corrosion-resistant. It also stops leaks effectively thanks to its waterproof performance. Of course, you need to clean the surface and leave it to dry before using the tape for the best results. 

You will also love that you can use the tape on tight corners, unusual curves, and uneven surfaces. Besides that, you can use it on multiple surfaces, and it comes with a one-year warranty and lifetime customer support. 


  • It offers professional-grade RV roof repair. 
  • It is waterproof and lasts long.
  • You can easily install the tape, including tight corners and uneven surfaces. 
  • The tape works well on multiple surfaces. 
  • It has a one-year warranty and a lifetime of customer support. 


  • Removing the sealant when old can be laborious. 
  • It is challenging to cut. 

Other Features

Sealant type: Sealing tape

Material: Rubber

Brand: Kohree

Compatible material: Wood, cement, plastic, glass, metal, and stone

Water-resistance level: Waterproof

Surface recommendation: Roof, window

Size and weight of container: 1/8 inch x ¾ inch (0.32 centimeters x 1.91 centimeters); 1.39 pounds (0.6 kilograms)

CircleCord RV Roof Tape: Best RV Roof Sealant for DIY RV Roof Seal

The CircleCord RV Roof sealant is an excellent solution for stopping camper roof leaks. Its size is big enough to be used in more than one scene. 

Moreover, the tape is made with top-quality butyl that resists various leakages, including wind, snow, UV, and rain. 

It is straightforward to use as you can apply it without adhesive or filler. This means you can apply the RV roofing sealant yourself and get an excellent finish. Besides that, you can use it for multiple applications, including sealing RV roofs, metals, wood, and trailers.  

The manufacturer warns users to use the tape according to its usage. For example, it is advisable not to use tape with mineral spirits or waterproof materials such as benzene, silicone, ethylene, and carbinol. 


  • It is made of top-quality butyl, making it resistant to severe conditions. 
  • It is easy to apply as you don’t need adhesive or filler. 
  • Its size is big enough for application in different scenes. 
  • You can use it on multiple surfaces. 
  • The tape’s finish is excellent. 


  • It does not stick well in certain weather conditions. 
  • It is compatible with fewer materials compared to the others. 

Other Features

Cost-effectiveness: Economical

Sealant type: Sealing Tape

Material: Rubber

Brand: CircleCord

Compatible material:  Vinyl, glass, wood

Water-resistance level: Waterproof

Surface recommendation: Roof, window

Size and weight of container: 6 inches x 50 feet (16.24 centimeters x 1524 centimeters); 7.09 pounds (3.2 kilograms)

Beech Lane RV Roof and Leak Permanent Repair Tape: Best RV Roof Sealant for RV Roof Caulking

The Beech Lane RV Roof and Leak Permanent Repair Tape is a waterproof, sticky white RV roofing sealant tape excellent for stopping RV leaks. Fortunately, the tape works great on different surfaces, including PVC, Metals, RV rubber roofs, TPO, and Hypalon. 

Moreover, the tape is manufactured using proprietary self-priming technology that bonds instantly if you strictly follow the installation instructions. The tape is designed to work excellently outdoors and is resistant to all weather conditions. 

The tape also has a unique flexible structure, making it effortless for DIY installation. Besides that, you only need to apply it once for a lasting fix. 


  • It is waterproof hence stopping all leakages. 
  • It is manufactured using proprietary technology that allows instant bonding during installation. 
  • It is designed for outdoor use and exposure, ideal for all weather conditions. 
  • It comes with a unique structure that makes it easy for DIY installation. 
  • It works well on various surfaces. 


  • The tape has adhesion issues at specific temperatures. 
  • It can be challenging to use. 

Other Features

Cost-effectiveness: Economical

Sealant type: Sealing tape

Material: Rubber

Brand: Beech Lane

Compatible material: EPDM rubber, PVC, metal, TPO, and Hypalon

Water-resistance level: Waterproof

Surface recommendation: Roof, window

Size and weight of container: 4 inches x 50 feet (10.16 centimeters x 1524 centimeters); 5.13 pounds (2.3 kilograms)

Geocel 28100V Pro Flex Crystal Clear RV Flexible Sealant: Most Versatile RV Roof Sealant

Amazon’s Choice Award for Number One Best Seller in RV Sealants

This Pro Flex RV Flexible Sealant is specially designed for the recreational vehicle industry. You can expose it to severe weather conditions immediately after you apply it. The RV roof seal has excellent expansion and contraction properties, helping it withstand joint movement in temperature changes. 

Besides, the sealant can bond to multiple RV materials, including dump, oily, and frozen surfaces. However, the manufacturer advises against using it on certain surfaces, including acrylic skylight blazing surfaces, areas where you process food, or extruded polystyrene insulation sheathing. 


  • It can withstand severe weather conditions. 
  • Works well on RV joints thanks to its expansion and contraction properties. 
  • It bonds perfectly with various materials, including oily and damp surfaces. 
  • It is easy to apply. 
  • It is resealable– you can apply it over itself. 


  • It does not come off your clothes and fingers quickly. 
  • Works well in areas with movement. 

Other Features

Cost-effectiveness: Economical

Sealant type: Flexible liquid sealant

Material: Plastic

Brand: Geocel

Compatible material: Aluminum, glass, coated steel, wood, steel, vinyl, and fiberglass

Water-resistance level: Waterproof

Size and weight of container: 2 x 2 x 11.38 inches (5.08 x 5.08 x 29 centimeters); 0.9 pounds (0.4 kilograms)

FAQs on the Best RV Roof Sealants

How Often Should I Seal My RV Roof?

Seasoned campers recommend using roof coating for RV or sealant at least once a year. However, a more accurate answer to this question would be that it should be case-by-case and roof-by-roof. 

For example, resealing should happen annually, while replacing the entire roof should happen after a decade. Moreover, suppose you buy a used RV; you might have to seal it if the previous owner had not done that.

Additionally, it is wise to inspect your RV roof every month, even if the RV’s warranty requires an annual inspection. You can perform the inspection or take it to a reliable dealership. If you find any issues during the inspection, address them immediately.   

What are the Different RV Roof Sealant Types?

Understanding the different types of RV Roof Sealants is critical to help you make the right decisions. The different RV sealants include:

RV Rubber Roof Sealant

The RV rubber roof sealant is arguably the most popular and commonly used. It has different types, including Ethylene Propylene Diene Monomer (EPDM) and Thermal Poly Olefin (TPO).

The best RV rubber roof sealant offers a gap-free application for excellent RV roof maintenance. Its price is pocket-friendly and works perfectly. However, it is critical to read the manufacturer’s instructions for application because they require different application procedures. 

RV Roof Sealant Tape

This kind of tape is usually self-adhesive and is available in a continuous rolling tape. Many RVers prefer this solution because it is effortless to install. You simply apply the tape to the cracked area, fixing the problem. Moreover, you can paint it if you wish.

The RV roof sealant tape is hassle-free and does not leave your RV roof looking messy. Additionally, it is effective in different weather types and temperatures. It also has excellent coverage, and you can use it on tight corners and uneven surfaces. 

RV Aluminum Roof Sealant

The Aluminum roof sealant is also gaining popularity among RV owners. Many users prefer this roof sealant because it offers a longer-lasting solution. Moreover, it is less susceptible to corrosion and damage and can last for many years if you maintain it properly. 

This type of sealant can also provide your RV with an impermeable seal on different surfaces and corners. Moreover, it does not have any gap issues, and its broad coverage protects your RV from leakages that could cause further damage. This sealant also works excellent under severe temperatures. 

RV Fiberglass Sealant

A fiberglass roof has minimum maintenance requirements compared to other RV roof types. However, you will spend more to install it. It is also heavier, meaning it is also more complicated to install.   

But, because of its easy maintenance, many RVers prefer it to the other sealants. Moreover, it works perfectly, providing total coverage and gap-free installation for excellent care of the fiberglass roof. Finally, it offers maximum protection to your RV, preventing deterioration.

RV Metal Roof Sealant

A metal roof is long-lasting. However, it is prone to holes, rust, and cracks. Therefore, it would help fix any visible damages on your RV roof to prevent further deterioration and damage. 

An excellent RV metal roof sealant is the one that withstands and protects your RV’s roof under different temperatures and weather conditions. 

RV TPO Roof Sealant

TPO RV roof sealants are durable, making them more preferable by many RV users. You need RV TPO roof sealant to maintain such roofs for excellent results. Furthermore, these sealant types bond well with different surfaces and blend with your RV roof. 

Its benefits include wide coverage and maximum adhesion. It is also simple to apply and leaves your RV’s roof mess-free. 

How do I Apply RV Roof Sealant?

The application process depends on the RV roof sealant manufacturer’s instructions. Nonetheless, it is not challenging to apply it on your camper’s roof in most cases. Here is the general procedure you ought to follow for best results: 

  1. Take the roof’s measurements (length and width). This will help you determine the amount of sealant you need. 
  2. Calculate the RV roof’s surface area by multiplying the length by the width and dividing the result by 42. This calculation will give you the approximate number of gallons you need to apply on the rooftop. 
  3. Prepare the roof’s surface by washing or scrubbing it. Get rid of loose caulking and roof coatings. 
  4. Many RV roof sealants contain flammable elements. Therefore, it would help to eliminate any possible ignition sources before you begin applying the coat. 
  5. Apply the coat using a brush, ensuring that you get enough ventilation in the area you are working from. Cover all depressions, seams, and protrusions. 
  6. Leave the coat to dry. 
  7. Apply a finishing coat is necessary. 

How Long Does Camper Roof Sealant Take to Dry?

The time it takes for a camper roof sealant to dry depends on the type you used. Moreover, it is dependent on the weather condition. For example, if you apply the trailer roof coating when it is hot, you should expect it to dry faster. 

For example, suppose the temperatures are between 50 degrees Fahrenheit (10 degrees Celsius) and 70 degrees Fahrenheit (21 degrees Celsius). In that case, a leveling sealant will take five minutes to skin over and around four hours to be waterproof. Additionally, it might require 48 hours to be 80% fixed, while it might take a month to be 100% repaired. 

However, it will help to remember that the kind of roof sealant you choose will determine howling long your camper roof takes to dry. Therefore, please check production specifications before buying as you compare available options. This will help you discover how long the roof sealant needs to cure 100%. 

What is an EPDM Rubber Roof?

EPDM is an acronym for Ethylene Propylene Monomer. This artificial membrane generally comes in strips ranging from 7.5 feet (229 centimeters) to 50 feet (1524 centimeters) long and 0.15 feet (45 millimeters) to 0.20 feet (60 millimeters) wide. Its main ingredients (ethylene and propylene) come from gas and oil. 

EPDM rubber roof strips are usually secured at the sides using a liquid adhesive or specially designed tape. This material has remained a trusted choice for low-slope roofs in the housing sector for more than 40 years.  

Can I use Flex Seal on My RV Roof?

Yes, you can! Flex Seal is widely regarded as one of the most adaptable items. As a result, it is equipped to cling to a wide range of materials even though it works more effectively on metal and fiberglass roofs. For example, they effectively use them around vent pipes, RV roof gutters, and skylights. 

One of Flex’s properties that make it so effective is its ability to saturate and seal holes and cracks. Moreover, it retains its elasticity even when it is thoroughly dried. These attributes make it more flexible, sturdy, and water-resistant. Suppose your RV has an EPDM rubber roof; you are better off looking for the best rubber roof coating. 

What are the Benefits of RV Roof Sealing and Coating?

There are numerous benefits associated with using RV roof sealing and coating. The notable ones include: 

Protects Your RV’s Structure

The RV roof sealant helps seal up any cracks that have happened already. It also helps to prevent new damages from occurring. Therefore, a roof sealant plays a critical role in ensuring the longevity of your RV. 

Additionally, a rubber roof sealant layer also helps to avoid any warping caused by heat. This enables you to save money in the long run to prevent expensive RV roof repairs. 

Prevents Leaks

Leaks can cause undesirable damage to your RV leading to discomfort and other inconveniences. In this regard, using sealants to seal your RV roof helps prevent leaks from destroying the roof and RV’s interior. This helps to keep the RV’s interior safe and avoid costly repairs. 

Regulates Temperature

The RV camper roof coating forms a protective barrier that helps to regulate the temperature inside your rig. As a result, it keeps things cooler during summer and warmer during winter. 

The other benefit of temperature regulation is that you end up using less power. But, again, this is because you won’t have to turn up the heating or air conditioning. 

Reduces Wear and Tear

Your RV’s roof surface takes a massive beating over time. The repeated exposure to the elements makes your RV roof start showing signs of wear and tear. In this sense, if you have rubber roofing on top, it will reduce wear and tear. 

Reduces Energy Use

Recreational Vehicles usually use a lot of energy when in use. Fortunately, the added insulation provided by RV roof coating helps to reduce these costs. For example, you will use less power, meaning you save money. 

Reduces Costs

When you use the best sealant for an RV roof, it helps reduce the overall costs of maintaining the RV. For instance, keeping your RV in its best condition by protecting its roof from damage and its structure from warping is essential because it will help you save on roof maintenance. 

Final Word

If you have experienced the damages caused by a leaking RV roof, you understand the importance of the information shared here. This article has discussed the best RV roof sealant for different scenarios. It has also let you in on how to seal an RV roof and the factors to consider when selecting an appropriate sealant for your RV roof. 

Additionally, you have learned that you should deal with any cracks and leaks fast to avoid further damage. Finally, you know the benefits of using RV sealants and coating. 

While every RV is different and might need a specific RV roof sealant, the Ziollo RV Flex Repair 100% Silicone RV Roof Sealant is an excellent choice as it works best in different scenarios. 

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