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The Best RV Roof Coating

A recreational vehicle is a big investment. That is why we must do everything to ensure it stays on top condition. One component that is prone to wear and tear and damage, however, is the roof. For this reason, we should use the best RV roof coating for it.

This coating is your perfect maintenance partner to keep your roof functional and free from damage due to the sun’s UV rays, wind, rain and snow.

If you’re shopping around for an RV roof coating, you might be overwhelmed with the plenty of choices available on the market though.

Fret not, as help is coming today! We’ve created this guide for the top picks to use in comparing liquid roofs as well as important things to look for when finding one.

So if you’re ready, let’s start so that you can decide later on the right coating for RV roof maintenance and repair.

Table of Contents

Best RV Roof Coatings

1. Heng’s Rubber Roof Coating

  • Protects the roof from elements, including rain and snow
  • Blocks UV rays from degrading the roof
  • Can be used to seal venting systems and AC systems
  • Withstands impact and prevents cracks
  • Already in one gallon size
  • Does not work as a thick coating agent

We love the Heng’s rubber roof coating because it is versatile enough to work on the RV roof and protects it from the elements longer than other products do. Plus, it is useful enough to be used in sealing seams and tears. Versatility does matter when shopping around for an RV roof coating. It ensures more uses, meaning more value for the money. That said we don’t need to buy a separate product to perform the tasks.

The Heng’s RV rubber roof coating also does well in sealing air conditioning units as well as venting systems. It only means reduced, if not entirely eliminated, energy loss.

This roof coating is also a great option if you want to protect your RV roof from the elements. We all know that it is not cheap to replace the roof, so we should be able to extend its life.

One of the best ways to achieve it is to use the Heng’s rubber coating that can protect it from the elements, including sleet, wind, rain, and snow and UV rays. The product also does well in keeping our roof protected from dirt, leaves and twigs. With such protection received, our roof won’t degrade and we prevent ruining our recreational vehicle investment.

This non-toxic roof coating is also good in resisting cracks in the roof and keeping up with any possible impact from outer elements. As it is non-toxic, doesn’t cause any pollution or harm the environment. You can also have peace of mind that it is safe to use.

Applying a thick coating though will be enough in working on a 25-feet camper. This product can provide enough coverage and is also easy to clean. You can also have peace of mind that it will last long once it is applied.

On the downside, this product does not work as a thick coating agent.

2. Rubberseal Liquid Rubber Waterproofing and Protective Coating

  • Energy-star rated
  • Excellent elongation
  • Low VOC and minimal odor
  • Resistant to UV exposure
  • Resists the elements and is water-based
  • Texture can be thinner than other brands

The Roll On Liquid Rubber is one of the best protective RV roof coating that we found online. It is a premium quality liquid rubber that contracts to the roof well, but it does not crack easily.

This product is an amazing rubber roof coating that is able to provide high UV resistance. With that said, you could be certain that you can protect your RV roof from degradation caused by the sun.

The liquid rubber waterproofing coating material can protect the RV roof from all types of weather, including snow, rain and other extreme ones. The protective coating can make your roof looking new once again. In addition, it can offer reflective coating, which can keep up with radiant heating especially in the summer.

This roll on liquid rubber can also provide good adhesion when combined with a roof cleaner or activator. That said you could ensure of long lasting results. You don’t have to worry about it being degraded fast.

It also has a good spread rate at 60 square feet per gallon at 20 imperial mils. Such benefit can ensure that you will be getting the most out of your money. This product is also energy-star rated and contains low amounts of volatile compounds. What does that mean? It means that it won’t harm the environment and is safe to use.

The roll on liquid rubber is water-based, meaning it has minimal chemical odor. You also don’t have to worry about applying it because it is so easy to do. This product is also very effective in waterproofing and protecting different industrial and household items.

It offers excellent resistance against puncture resistance and chemical resistance. The product also has great elongation.

On the downside, its texture is thinner than what can be expected initially.

3. Dicor RPCRC1 White EPDM Rubber Roof Coating

  • High level of protection
  • Convenience and ease of application
  • Protects the roof membrane from harmful, outside elements
  • Can prolong the life of the RV
  • Can provide up to 125 feet coverage
  • Pricey

The Dicor RPCRC1 is one of the most recommended products in the waterproofing and protecting coating for RV roofs. It is a good choice because of its great adhesion.

The product is an acrylic coating, which is packed conveniently for ease of use. As it is also in one-gallon size, you can rely on its supreme area coverage reaching up to 125 square feet. The Dicor rubber roof coating is also very easy to apply. When shopping around for a roof coating, we believe it pays off to find an easy to apply product for fast results. It is one of the best qualities of the RV roof coating that makes it a top pick in the category.

But in order to achieve the best results, you should apply it twice so that it can work well as a protective barrier for your RV roof. With a shield or barrier, your camper or recreational vehicle roof will have an extended lifespan. It only means more value for your RV investment.

We also love that it can offer high UV resistance, protecting the roof’s membrane from the harmful UV rays of the sun.

The coating can also offer protection from the harsh weather, including snow and rain. It can also provide protection from twigs, dust and debris. That said you could rely on a versatile product that works effectively for your recreational vehicle roof.

The acrylic coating is also ready to use, but it can work even better when used in combination of a cleaner and activator from the same brand for excellent adhesion quality.

On the downside, this product can be a bit pricier than other products in the same category are.

4. Kool Seal KST063600-16 Elastomeric Roof Coating

  • Has the ability of reflecting at least 90% of UV rays
  • Sticks well
  • Durable and long lasting
  • Fast and easy cleanup process
  • Works for all weather
  • Thinner texture than other brands have

If you’re looking for an effective and efficient Elastomeric Roof Coating, you might want to consider the Kool Seal roof coating. This product comes in a 115 fl oz container and is white in color. It is easy to apply and use that it can stick well even in the harshest weather conditions. This product offers maximum clinging to the RV roof despite the temperature. You can also rely on its effectiveness no matter the type of weather.

We also recommend this as one of the best options in waterproofing because it has an excellent resistance against moisture. It can protect the roof membrane so well from any water or moisture damage that would otherwise make you spend more money in the RV roof repair.

The liquid roof RV coating can also last for several years for cost-effectiveness that you might not be able to find in other products in the same category. The coating also works effectively in reflecting at least 90% of the harmful UV rays of the sun. That said you could have peace of mind that your RV roof can prevent sun damage.

This product can also protect your roof from other harsh weather elements, including wind, rain and snow. You can also protect your RV roof from twigs, leaves, dusts and other debris from the surroundings.

The RV roof coating also has the ability of creating a blanket to shield the roof from different elements because it eventually resembles a thick rubber coating. With such protection, you can keep the comfort in your RV because there will be no leaks.

Based on the roof’s movement, the Kool Seal KST063600-16 can contract and expand well. This product is also curable, which also helps resist mildew and algae.

Kool Seal is also easy to apply and clean up and is compliant with different environmental standards. It can also work well in absorbing outside sounds.

On the downside, its texture can be thinner than other brands have.

5. Proguard F99911 Liquid Roof Coating

  • Safe to use
  • Algae and mold resistant when cured
  • Helps in absorbing outside sound
  • Non polluting
  • Cost-effective with single application required
  • Can take longer to set if there is low humidity

When it comes to RV roof repair or maintenance, you should use a reliable coating like the Proguard F99911, which is one of the top rated products in the category available in white color.

What we love about it is that it can be used as a single coat application. That said you could save money because you don’t have to apply it twice to achieve the desired results.

This coating is also efficient with a coverage area reaching between 42 and 46 feet. And regardless of the weather, you can apply and use it in your roof to achieve the protection for it you need. Just as what you can read in RV rubber roof coating reviews, this product can work in all temperatures. Regardless it is hot or cold outside, you can easily apply and ensure of its adhesion on your recreational vehicle roof.

Another thing we love about it is that it can protect the roof from moisture. As you may already know, excessive moisture can damage the roof. And in time, it might also cause leaks inside your RV. When cured, this coating can also resist algae and mildew.

We also appreciate that the Proguard F99911 is environmentally-friendly-and-compliant. You can be sure that it is safe to use and non-polluting. It is also an effective product when it comes to absorbing sound.

It has an impressive performance that lasts for several years, making it a decent choice among RV owners who want to use a long-lasting product for their recreational vehicles.

On the negative side, it can take longer to set when applied during low humidity.

6. Dicor RPCRPQEPDM Rubber Roofing Coating

  • Effectively waterproofs and seals the roof membrane
  • Large coverage rate of 1254 sq ft per quart
  • Cost-effective
  • Excellent adhesion
  • Extends the roof’s lifespan
  • Has a thinner consistency and texture than expected

The Dicor RPCRPQ is an excellent roof coating system that works effectively in coating and sealing the roof from all types of harsh outside elements, including rain, wind and snow. With such weatherproofing protection it can provide your RV roof with, you can be sure that you can extend the lifespan of your RV roof.

This product can clean and prepare your roofing for max adhesion. It is also for RV owners that want a product that works well for providing up to 125 square feet of coverage rate for every quart. It is also a cost-effective option for covering such a large area with the quantity.

What more is that we also think it is one of the most durable among liquid roof coatings on the market. It can last for several years, working continuously in protecting your roof from outside elements, such as dust, leaves, twigs and debris that would otherwise damage your roof. When it happens, your roof might have leaks and cause discomfort inside your RV.

Sealing the roof is also one of the best ways of preventing energy loss especially in the winter and summer. With the liquid roof, you can save energy and keep the comfort inside your RV.

It also has a quality that contracts and expands as your roof moves. It is also weather and crack resistant. You can also use it in sealing the air conditioners and vents. This product also works well in dealing with seams and tears.

On the downside, the roof has a thinner consistency and texture versus other products in the same category has.

7. Flex Seal Liquid Rubber Liquid Roof Coating

  • Can prevent algae and molds when cured
  • Excellent adhesion ability
  • Cost-effective and efficient
  • Can be used in caulking and sealing seams and tears
  • Easy to apply and use
  • Can take a longer time to set in a low humidity day

If you’re looking for the best RV roof caulking, you might want to give the Flex Seal a second look. It is one of the best liquid roofs in the category that works and sticks well in all temperatures.

The one-gallon liquid roof is one of the most cost-effective options as well because you can use it in covering a large area. The Flex Sea also is the liquid rubber roof that you can rely on because it is also easy to apply and use. You can apply it by brushing, rolling, dipping or pouring, while also ensuring maximum efficiency and adhesion.

When it comes to weatherproofing your RV roof, the Flex Seal liquid roof is one of those we’re proud to recommend because it can be applied in all temperatures. It can also protect your camper roof from even the harshest weathers, including rain, snow and wind. With it, you can keep your roof protected from changing temperatures, eventually prolonging its lifespan.

You can also use it anywhere you need a flexible rubberized coating. You can use it in seams and tears as well as in venting systems and AC systems. With such versatility, you don’t need to make separate purchases for different applications.

The Flex Seal also expands and contracts according to your roof’s movement. It can also cover fast and smoothly when it comes to sealing moisture, water and air. You can also be sure that it is a safe and non-toxic product. One of the things that also make this variant a standout is that it is also safe for animals and plants.

You can also count on it for its UV resistance and non-flammable characteristic. This liquid rood is also resistant against chemical and mildew and can prevent corrosion and rust.

On the negative side, this product might take a longer time when applied during a low humidity day.

8. DEHCO 16-46128-4 Roof Coating

  • One-gallon size for long-lasting use
  • Withstands impact
  • Resistant to cracking
  • Prevents rusts and corrosion
  • Moves with your roof – contracts and expands as needed
  • A bit pricey

The DEHCO 16-46128-4 liquid RV roof is a highly efficient product that works well in all temperatures. You won’t have a hard time in applying it for its great adhesion, no matter the weather.

If you’re looking to extend the lifespan of your RV roof, then you might want to take a look at the one-gallon DEHCO liquid roof coating. It is one of the top rated products in the category for its efficiency when it comes to protecting your roof from outer elements, including harsh winds, rain and snow.

It also has a great waterproofing ability that can shield the roof’s membrane from water and moisture damage. You can also count on the liquid roof coating for its outstanding performance for a wide range of applications and uses. This product can be used at tears and seams as well as in sealing air conditioners and venting systems and anywhere else where rubberized coating is needed.

This product is also eco-friendly that it is non-toxic and non-polluting. It is also UV resistant and can reflect the UV rays to keep it away from our RV roof. We also believe it is a great value for the money because it offers outstanding durability and can adhere well to rubber.

Another best thing we love about is its large coverage rate of 200 sq ft per gallon.

Overall, RV owners who are looking for a durable and reliable roof coating might want to check out the DEHCO liquid roof. It is cost-effective, easy to apply and high quality.

On the negative side, it is quite an expensive roof-caulking product.

9. KST COATINGS KST063600-20 Elastomeric Roof Coating

  • Excellent sealing ability
  • Durable for several years
  • Can be used anywhere rubberized coating is required
  • Can prevent rust and corrosion
  • Can extend the lifespan of our RV roof
  • Can have a thinner than expected texture

When it comes to RV roof maintenance, we all need a reliable product to help us achieve desired results. The KST COATINGS KST063600-20 is a high quality product that can provide us with that. It already comes in a big size of five gallons, allowing you to use it for several times versus others that only come in one-gallon sizes.

It is an Elastomeric Roof Coating that can cling to your roof effectively and for a long time. One reason is that it is a durable product that can withstand a wide range of outer conditions, including moisture, UV rays and other elements.

The elastomeric roof coating can also weatherproof your RV roof membrane sufficiently. It can protect your roof from snow, wind and rain as well as from dusts, twigs and leaves.

We also love the excellent reflective property of the roof coating that can block most of the UV rays from the sun from damaging our roofs. In addition, this product can prevent algae and mildew when cured.

The roof caulker is also environmentally compliant and friendly. So when it comes to safety, there is no doubt that the KST063600-20 is one of the best in the category.

This coating can also help in absorbing sound from the outside that minimizes the noise we get inside our recreational vehicle. It can also be used in protecting roof buildings from different outer elements for many years.

The KST063600-20 can also reflect 90% of the sun’s rays. With that said, we can have peace of mind that we can prevent the damage that these elements would otherwise bring to our recreational vehicle.

10. Liquid Roof RV Roof Repair Liquid EPDM Coatings

  • Long-term flexibility
  • Works well in all temperatures
  • Can be used in a wide range of applications where rubberized coating is needed
  • Safe and non-toxic
  • Can adhere and stick well
  • A bit expensive

The EPDM rubber roof coating is one of the best in the category that we should not forget including in this RV liquid roof reviews. It already comes as a 5-gallon pail, which allows you to use it in many applications and times.

You can also apply it in many types of roofing materials except asphalt. This versatility makes it as one of the most cost-effective options in the liquid roofing category. It can also be used in buildings, which need sealing or caulking from harsh elements, including rain, snow and wind.

We also recommend this product for RV owners that want to extend the lifespan of their roof. It works by water sealing the roof and protecting it from harsh wind, rain and snow. You can also use it in ponding or standing water because it can also water seal almost in an instant.

Another thing we love about the Liquid Roof is its ability of not being damaged by freezing and other extreme temperatures. You will also appreciate its ability of staying flexible for a longer period of time. Did you know that it could also contract and expand as you roof moves? That is one of the things to look for when shopping around for this kind of product we found in the Liquid Roof.

It is also cost-effective because it requires only one application. This product does not also chalk or shrink easily compared to other coatings.

On the negative side, this liquid roof is a bit pricey.

Why You Should Trust Us

Smart RVing is made for you, our fellow RVers looking for correct and updated product information and guide to help you pick the right RV product, in this case an RV roof coating.

Before listing down the top picks we’ve come up with in this guide, we have carefully considered some factors, including the price, roof material, safety and ease of application, to name some. We did it to ensure that we can come up with a relevant and useful buying guide that you can refer to when selecting one for yourself.

You can also trust us because we’re passionate and sincere to help and share what we know. So if you’re looking to find the best RV roof coating, we recommend referring to our list above for your guidance.

What Is An RV Roof Coating

RV Roof Coating Reviews

The RV roof coating is a sealing, weatherproofing and waterproofing product that is used in recreational vehicles, campers and trailers, to name some. It works effectively in sealing the roof’s membrane from water and moisture that would otherwise build up and cause damage to the roof. When unattended, the buildup can eventually leads to leaks inside the RV, causing so much discomfort to your loved ones.

The liquid roof is painted onto the RV roof, also providing a protective barrier from the UV rays of the sun. Such product can also shield the roof from debris, dusts, leaves and twigs. It can also work as an all-season protective barrier that keeps your roof looking new despite harsh winds, snow and rain.

This product can also be used in buildings, sealing vents and air conditioning systems and in seams and tears. It also works effectively in preventing energy loss because it can seal the roof and ensure it does not have holes or cracks where air conditioning can escape.

The roof coating can also prevent cracks. In fact, it can also move as your roof does for its effective expansion and contraction ability. With this characteristic, you can be certain of long-term use for up to several years. The best of them do not also shrink or chalk. They are also easy to cleanup, eliminating any hassle of using it.

Types Of RV Roof Coatings

Types of RV Roof Coatings

Don’t yet buy an RV roof caulking without knowing the types to choose from and use. In the following, we’re lining up three of the most common types of RV roof coatings used by recreational vehicle owners in keeping the beauty and good maintenance of their RV roof.

Acrylic types

They’re the most common and affordable option when it comes to RV roof coatings. They offer decent performance and long-lasting use. The best among them can also offer good reflectivity, ease of use and convenience.

They can also seal the RV roof against water and moisture buildup. When cured, they can offer algae and mold protection. Acrylic can also be used in all temperatures and protect the roof from harsh weather elements, including snow, rain and wind.

Urethane types

They’re the more expensive option than the first one we have discussed above, but they also offer top benefits for the RV owners who want to repair or maintain their RV roof and protect it from UV rays and harsh weather elements. Based on many reviews, these types can offer more durability than the silicone and acrylic types. They can also offer an excellent impact resistance from twigs, leaves and other outer elements.

One more thing is that urethane types can provide better results for standing up against ponding water. Finally, they are reflective and UV resistant, making them one of the best choices to those who want to extend the lifespan of their recreational vehicle roof. The problem is that they might release strong odor upon application.

Silicone types

These are the most expensive options when it comes to roof caulking, but it also offers a host of benefits. Using it, you won’t need to use a primer and a second coating. The silicone RV roof coating is the best option around when it comes to sealing your recreational vehicle’s roof.

This type also offers high resistance to wind degradation and weather elements, including snow and rain. It also has high reflectivity that you can count on. With it, you can have peace of mind that these elements won’t harm or damage your camper or RV roof. Silicone types won’t be brittle or hard, as they stay elastic.

On the downside, this liquid roof holds on to dirt. For this reason, you might have to clean up your RV roof from time to time.

Why Do You Need An RV Roof Coating

Benefit of RV Roof Coating

There are more reasons than one to need an RV roof coating. For one, your recreational vehicle isn’t an affordable investment. So if you want only the best for it, you should be able to protect its parts, such as the roof, from degradation. One of the best things to do is to use an RV roof-sealing product.


This product can contract and expand as your roof moves. It won’t also degrade while keeping your roof in good condition. With the excellent elongation of the product, you can have peace of mind that it can adapt to the movement of your roofing system.

Environmentally friendly

The best roof coating products are also safe and non-toxic. They won’t damage the RV roof with unnecessary chemicals. Some of them are also safe for pets and children. Some are also water-based coatings that do not have nasty, strong odors on them. The best roof coating products are also non-polluting for the environment.

Easy application

Some of them require single applications, while others need two applications. But in general, both can be applied easily and quickly. However, take note that those requiring two applications might take a longer time to complete the tasks.


The best of these products can offer not only maintenance and long life for your RV roof but also safety for the users. They can reflect UV rays effectively but without harming your health in its application.

UV reflective

Another advantage of using a liquid roof for the RV is it is UV reflective; it can reflect 90% of the sun’s UV rays. When it happens, you can have peace of mind that your roof will not degrade due to the sun’s rays.

Extends your roofs lifespan

If you want to extend the lifespan of your RV roof, you should not fail at using the liquid roof coating because it can keep moisture and water out of your roof’s membrane. As it can also prevent outside elements, including rain, snow and wind, from ruining your roof’s good condition, it can also help extending the lifespan of your RV roof.

Protects from leaks

You don’t also have to worry about leaks by using the RV liquid roof because it can also be used in tears and seams. You can also apply it on venting systems and air conditioning systems.

Protects from energy loss

The liquid roof coating can also protect from energy loss because it prevents air conditioning from escaping. It can also be used in sealing and caulking other things requiring a rubberized coating.


The product can be used in many applications – seams, tears and buildings. It can also be applied by rolling or dipping, to name two. The product is also reliable to use in different applications, such as AC and venting systems.


Many of these elastomeric roof coatings require only a single application. Some also do not require using a primer or applying a second coat. The best of them also last for several years. They also do not shrink or chalk, meaning no frequent reapplication is needed.

How We Picked

how to choose the Best RV Roof Coating

Before listing and reviewing the featured products, including the Kool seal roof coating, we have carefully considered some factors so that we can set a basis for review and pick the right products. In the following, let’s discuss some things to look for when buying a liquid roof for your trailer, camper or recreational vehicle.

Roof material

When shopping around for this RV product, we must first determine the correct coating that our roof needs based on its materials. If your roof is made of rubber, then the products we have listed, including EPDM coatings, are what you need for it.

Some materials of RV roofing include fiberglass, which can be more durable than rubber. They also require least maintenance versus aluminum and rubber roof materials.


Determining the price tag is also important when choosing an RV roof coating. It is to help you narrow down your options and save time from browsing different products belonging to a higher price tag for which you’re not willing to spend for the liquid roof.


The best of them can last for many years, as they are flexible. They do not crack or shrink. What they do instead is to contract and extend, as your roof is moving. If you’re looking to make the most out of your buck, you might want to check out the products we have featured because they are highly durable to last for many years.

Ease of application

When choosing a waterproofing and sealing product, we must see to it that we can easily use and apply it using simple tools, including a squeegee or a paint roller. With ease of application, we can be certain that we can achieve hassle-free application and smoother and more attractive finish than other products could give. So when reviewing the products we have featured above, we have made sure that they are easy to apply.

Safety and non-toxic

When choosing a liquid roof coating, you should pick one that is made of safe and non-toxic materials. Start your search and comparison with the list we have above to pick from non-polluting, safe and non-toxic products.

Frequently Asked Questions

Q: What are good roof coating brands? Where to buy?

A: Researching on good roof coating brands, we have found Liquid Roof, KST COATINGS, DEHCO, Flex Seal, Dicor, Proguard, Kool Seal, Rubberseal and Heng’s to be the best of them. If you’re looking to buy the best roof coating product, you might want to start your quest choosing from these brands.

For places to buy, you can get yours from Walmart, Lowes, Home Depot and Amazon.

Q: How does it work?

A: The RV roof coating works by waterproofing, weatherproofing and sealing our RV roofs from elements, including rain, snow, wind and other outer forces. It can also resist impact from leaves, twigs, dusts and other things that would otherwise damage the roof. It also works by reflecting UV rays, keeping the roof from degradation. The roof coating can also prevent leaks, heating and cooling loss and discomfort in our RV.

Q: How to apply RV roof coating?

A: It can be applied in the similar manner that we apply paint. We can use a paint roller to apply it without any hassle and use of special tools. You can also check the specific manual of instructions from the maker for particular directions. You should also check if it requires single or double coating or the use of a primer before its application.

Q: How to repair an RV roof?

A: At the very least, you should start repairing small cracks as soon as you spot them to prevent larger repairs. We also suggest resealing the entire RV at least every five years. Take note: You should also check the maker’s instructions whenever you do sealing, cleaning and repairing on you RV to prevent voiding the warranty.


Having a recreational vehicle, see to it that you protect its roof from anything that would otherwise damage it or decrease its lifespan. One of the best maintenance and repair products you need is the best RV roof coating. It can offer you a host of benefits we’ve mentioned above, so it is really necessary for your RV cleaning and maintenance products arsenal. Pick based on those we’ve featured here as well as on certain factors, including your roof material, for the desired results. Did you like this guide? Share it on Facebook today! If you’re looking for more products in RV cleaning and maintenance, then I suggest going for these articles: best RV wash and waxbest RV roof sealantsbest RV caulksbest RV waxbest RV roof cleaners and best RV awning cleaners. I do hope you will like them. Happy shopping!

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