Price

Product Name

Type

Specifications

Confirm Amazon Price

$$


EternaBond Sealant Tape

tape

  • Color: White.

  • Roll length: 50 feet.

  • Comes with 2-4-6 inch width options.


  • Easy to use (DIY friendly).

  • Flexible, slightly stretchy.

  • Can store for later use.

  • Long roll, many width options.

  • Very durable (can last years).

  • Very high rating (96%).


  • Expensive by sealant market standards.

  • Less water resistant.

$

Geocel 28100V

liquid

  • 10 ounces (296 grams) per cartridge.

  • Colorless formula: clear fluid.

  • Made specifically for RV roofs.


  • Cheap if bought in bulk.

  • Lots of formula per cartridge.

  • Effective on damp surfaces (and environments).

  • One of the best formula sealants on the market.


  • Bulk offer irrelevant (applies only to seriously damaged RVs).

  • Has a strong odor after application.

$

3M 5200 Marine Adhesive

liquid


  • Color: White.

  • Works above/below water line.

  • Options of 1, 3, 10, and 640 oz.


  • Can buy smaller cartridges for minor repairs.

  • Works with fiberglass and wood (seals window cracks).

  • Works in wet and damp conditions.


  • Liquid is too thin for large cracks/holes.

  • Doesn’t work with normal caulk guns?

  • Takes a while to dry (up to 24 hours in some cases).

$

Gorilla Heavy Duty Construction Adhesive

liquid


  • Multi-purpose.

  • Cartridge size: 9 oz.

  • Color: White.

  • VOC complaint.


  • Very cheap option.

  • Multiple pack sizes to choose from (1, 3, 6, and 12).

  • May buy used.

  • Odorless.


  • Falls apart after a few months.

  • Doesn’t work well in wet/damp conditions.

  • Horrible if bought used.

$$$


Flex Seal Liquid Rubber

liquid rubber


  • Canister sizes of 16 and 32 oz., (and 1 gallon).

  • Liquid rubber.


  • Prevents rust and corrosion.

  • Protects from moisture, heat, and UV light.

  • Cheap (16 oz. costs only $15).

  • Non-hazardous, and non-toxic.


  • Doesn’t seal cracks well (only works for fortification).

  • Shouldn’t be applied on wet surfaces (do not work there).

RVs are beautiful inventions. They’re cheaper than normal one. And you can take them with you anywhere…

However, they require tons of maintenance. Especially since the foundations get shaky over time, as you drive the RV around!

 

Roof Maintenance.

A crucial part of maintaining your RV.

You don’t want rain (or dust from strong winds) seeping in.

So regularly, you must check for any cracks, slips, or holes in your roof. And if you do find some, then you’ll need a good rv roof coating or sealant. You can also check ceramic car coating at bestnetreview.

 

Product Usage and Purpose.

An RV roof sealant is usually a “quick to dry” liquid.

It’s fast-acting, and you can use it quick.

However, its effects last long, since it’s meant to be part of your RV’s infrastructure.

So you don’t want a sealant that falls apart after a few weeks.

The sealant should perfectly solve your roofing issues without the slightest of openings.

 

Different Types.

Sometimes, a roof sealant come as a tape, instead of a “liquid formula.”

This might be what works best for you. Just note that, this depends on the size of cracks/holes you’re trying to cover.

It also depends on the weather conditions where you live.

 

Things to Know While Buying.

Are you buying a tape RV roof sealant? Or are you buying the liquid products?

 

Tapes.

They don’t work as well in wet environments. Especially since they slowly lose resistance to humidity and water.

So they might crumple up in a few months.

However, your margin of error with them is higher. If you mess up using them, you can just remove and re-patch.

Also, they work well for covering pipes and wires on your roof. And that’s something that a liquid sealant cannot do.

Add to that the storage factor. You can keep one around for long periods of time (maybe years), without worrying about it drying out.

So you can buy a tape roll once, and use it sporadically!

 

Liquid Products.

Aesthetically, they look better.

No one will notice the dried “after-product”. So you can maintain a fresh look for your RV.

And that’s one of the problems with a tape roof sealant. They make your trailer look like something out of a junkyard.

Now, liquid sealants work better for smaller cracks and openings. It seals them shut, without worry of a tape getting loose.

 

So Which Product Should I Buy?

That’s what we’ll help you figure out.

Below is a list of 5 best rv roof sealants. Check each one out, and pick what suits you best!

 


Price

Product Name

Type

Specifications

Confirm Amazon Price

$$


EternaBond Sealant Tape

tape

  • Color: White.

  • Roll length: 50 feet.

  • Comes with 2-4-6 inch width options.


  • Easy to use (DIY friendly).

  • Flexible, slightly stretchy.

  • Can store for later use.

  • Long roll, many width options.

  • Very durable (can last years).

  • Very high rating (96%).


  • Expensive by sealant market standards.

  • Less water resistant.

$

Geocel 28100V

liquid

  • 10 ounces (296 grams) per cartridge.

  • Colorless formula: clear fluid.

  • Made specifically for RV roofs.


  • Cheap if bought in bulk.

  • Lots of formula per cartridge.

  • Effective on damp surfaces (and environments).

  • One of the best formula sealants on the market.


  • Bulk offer irrelevant (applies only to seriously damaged RVs).

  • Has a strong odor after application.

$

3M 5200 Marine Adhesive

liquid


  • Color: White.

  • Works above/below water line.

  • Options of 1, 3, 10, and 640 oz.


  • Can buy smaller cartridges for minor repairs.

  • Works with fiberglass and wood (seals window cracks).

  • Works in wet and damp conditions.


  • Liquid is too thin for large cracks/holes.

  • Doesn’t work with normal caulk guns?

  • Takes a while to dry (up to 24 hours in some cases).

$

Gorilla Heavy Duty Construction Adhesive

liquid


  • Multi-purpose.

  • Cartridge size: 9 oz.

  • Color: White.

  • VOC complaint.


  • Very cheap option.

  • Multiple pack sizes to choose from (1, 3, 6, and 12).

  • May buy used.

  • Odorless.


  • Falls apart after a few months.

  • Doesn’t work well in wet/damp conditions.

  • Horrible if bought used.

$$$


Flex Seal Liquid Rubber

liquid rubber


  • Canister sizes of 16 and 32 oz., (and 1 gallon).

  • Liquid rubber.


  • Prevents rust and corrosion.

  • Protects from moisture, heat, and UV light.

  • Cheap (16 oz. costs only $15).

  • Non-hazardous, and non-toxic.


  • Doesn’t seal cracks well (only works for fortification).

  • Shouldn’t be applied on wet surfaces (do not work there).

 

 

#1 – EternaBond Sealant Tape.

This is what we’ll start off with.

It’s the only tape product on our list. But it’s got the highest rating for roof sealing products.

With 1800+ reviews and a 96% rating, this product seems like a consumer’s dream come true!

 

About the Product.

EternaBond specializes in construction sealants.

While they do offer liquid sealants, their tape version is the best.

For starters, it’s simpler to use. No need to for specialized equipment. And no worries about messing up your hands with a sticky formula…

So it’s friendly for the inexperienced.

Second, this tape comes with an “elongation factor.” So it expands and contracts with roof movements (slightly stretchable).

And this makes it good for driving on rough surfaces. It’s also good for use in hot environments (where metals naturally expand).

Third, this tape comes in multiple widths. You can get 2, 4, and 6 inch tapes. And they all have different price tags!

 

Specifications.

  • Color: White.
  • Roll length: 50 feet.

Comes with 2-4-6 inch width options.

Note that this product costs anywhere from $34 to $77 per roll, depending on the width.

 

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Pros
  • Easy to use (DIY friendly).
  • Flexible, slightly stretchy.
  • Can store for later use.
  • Long roll, many width options.
  • Very durable (can last years).
  • Very high rating (96%).

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Cons
  • Expensive by sealant market standards.
  • Less water resistant.

 

#2 – Geocel 28100V.

Now we come to the liquids.

Geocel is a brand that supplies sealants. And they have a wide selection of “specially made” RV roof sealant products.

This is their best product, with 110+ reviews, and a 92% rating.

 

About the Product.

It’s more affordable than EternaBond’s tape. Here, a single cartridge is $21.

You also get more variety over the quantity you want to buy. You can buy 1-12. And the more, the cheaper!

The 12-pack costs $108, which is $9 per cartridge!

 

As for the formula itself, it work well for minor cracks. Also, it’s waterproof, operating well in damp environments.

You can use this if your RV is parked in a rainy environment.

However, do note that it’s a little messy to use. So make sure you know how to handle it, before you open a cartridge!

 

Specifications.

  • 10 ounces (296 grams) per cartridge.
  • Colorless formula: clear fluid.
  • Made specifically for RV roofs.
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Pros
  • Cheap if bought in bulk.
  • Lots of formula per cartridge.
  • Effective on damp surfaces (and environments).
  • One of the best formula sealants on the market.

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Cons
  • Bulk offer irrelevant (applies only to seriously damaged RVs).
  • Has a strong odor after application.

 

#3 – 3M 5200 Marine Adhesive.

Another liquid product. It has 650+ reviews, with an 88% rating.

The 3M brand isn’t a “specialist” construction products manufacturer. Because they do make some tech items too…

However, their sealant is excellent. And it deserves a mention on our list.

 

About the Product.

It’s slightly more expensive than the previous option. This one is $25+ for 10 oz. cartridge.

However, you get the advantage of buying smaller cartridges. So you can buy 1 and 3 oz. too!

And this makes it perfect for minor repairs. You can now save money, without needing to buy a larger one!

 

Specifications.

  • Color: White.
  • Works above/below water line.
  • Options of 1, 3, 10, and 640 oz.

 

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Pros
  • Can buy smaller cartridges for minor repairs.
  • Works with fiberglass and wood (seals window cracks).
  • Works in wet and damp conditions.

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Cons
  • Liquid is too thin for large cracks/holes.
  • Doesn’t work with normal caulk guns?
  • Takes a while to dry (up to 24 hours in some cases).

 

#4 – Gorilla Heavy Duty Construction Adhesive.

Sometimes, good RV roof sealants are generalist.

This product is for all construction purposes. It has a 76% rating (not that high), but around 130+ reviews.

 

About the Product.

First, this product is quite cheap.

You can get a 9 oz. cartridge between $10 and $20. And that’s ½ the price of the previous option!

You can also buy them in packs. You can get 3, 6, and 12 packs of this adhesive. So, it works for varying scales of RV repairs.

However, this product does receive some criticism for drops in quality and durability.

 

Specifications.

  • Priced from $10-$20 per cartridge.
  • Multi-purpose.
  • Cartridge size: 9 oz.
  • Color: White.
  • VOC complaint.
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Pros
  • Very cheap option.
  • Multiple pack sizes to choose from (1, 3, 6, and 12).
  • May buy used.
  • Odorless.

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Cons
  • Falls apart after a few months.
  • Doesn’t work well in wet/damp conditions.
  • Horrible if bought used.

 

 

#5 – Flex Seal Liquid Rubber.

We usually like to save the best for last. But this time, we bring you the most unique…

This product has 530+ reviews, with an 86% rating. And it’s special for a few reasons…

If you are specifically looking for a rv rubber roof coating then this might be perfect for you.

 

About the Product

First, it’s liquid rubber in a can. All you have to do is brush it onto damaged spots!

And being rubber, it‘s strong. It works best as an added layer of protection.

You see, the previous products focus on repair. But this one focuses on fortification. And it ensures no need for future RV roof repairs.

So if you need something light and durable for a roof top, try this!

 

Specifications.

  • Canister sizes of 16 and 32 oz., (and 1 gallon).
  • Liquid rubber.
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Pros
  • Prevents rust and corrosion.
  • Protects from moisture, heat, and UV light.
  • Cheap (16 oz. costs only $15).
  • Non-hazardous, and non-toxic.

thumbs-down-icon
Cons
  • Doesn’t seal cracks well (only works for fortification).
  • Shouldn’t be applied on wet surfaces (do not work there).

So What Should I Buy?

Pick the product that suits your RV.

Evaluate the environment you’re in, the seriousness of repairs, and what you can afford. Then select the product that suits your purpose!

 

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