Do you want to seal the roof of your RV?
Do you want to protect your RV from harmful ultraviolet rays?
Do you want to reduce the wear and tear of the roof of your RV?
If the answer to all the above questions is yes, then all you need is the best RV sealant. The RV sealant not only seals the sealing of the roof of your RV but also protects from the harmful ultraviolet rays by deflecting the sunlight using whitewash. Following are the list of 10 best RV sealant that you can consider before buying:
Quick Comparison of 10 Best Rv Sealant in 2021
Things to Consider Before Buying the Best Rv Sealant in 2021
(1). Good heat contraction and expansion:
Make sure that your RV Sealant is best suitable for the summer season and must be in pure white color. Also, it must not be a hassle for you to remove and install the tape with a small preparation of the surface.
It must be light in weight around 3.5 in the pound so that it can allow the access of heat movement by contracting or expanding; making it the Self Leveling Lap Sealant for you. Consider the white color as it will help in reflecting in the sunlight during the sunny season. It must be available for you in various sizes and amounts.
(2). Fits with the EPDM sheeting:
Before placing the order for your RV sealant you must ensure that it is designed with the greater quality rubber making it an impressive best sealant for roof RV. You must make sure that your product creates a non-permeable seal for the air conditioner, vent pipe.
Thus, making it productive in the feature of sealing the EPDM sheets. Moreover, it does not get stick with the vinyl, mortar wood, and aluminum making it capable enough to seal the concrete and metal. It must have a whitewash to reflect in the sunlight and must come in a tube of size 10.3oz.
(3). Provide protection:
You must ensure that your product must have liquid rubber as a physical feature making it the best choice for you. As it can be easily used in the coating of a mobile home roof or as a rubber roof sealant.
To prevent the elements to enter the roof while you are working on the upper part of the roof, then you must find the roof sealant that you may feel easy to use and apply. It must have the feature of resisting the crack which helps in patching up the air vents. With the patching character, the lifespan of your product increases and you can use it for a long period.
Moreover, it saves from the impacts of the RV roof rubberized spray sealant. Also, you must choose a product that does not cause any negative effects on the environment. Also, it must be contained inside the gallon can and designed in such a way that it resists ultraviolet radiation.
Choose the product that has a feature that is similar to a caulking gun. Make sure that it can be applied all over the surface effectively as you apply paint and provides protection from the elements for the long term. Your best sealant for rv roof must be painted with a single coat and white to deflect the sunlight properly.
Also, for the camper roof coating, your product must include the feature of a liquid form to mark it as the best product for you. It can or cannot be considered as the EPDM rubber and can easily be applied as paint all over the roof of your Rv.
You can also consider the sealant with the tape making it a lot easier for you to apply on the roof of the RV. It must be formulated in such a way that it protects from the harsh wind, shine, and all types of weather conditions.
Your product can be user-friendly if it allows you to easily remove and install and provides protection for more than a decade which makes it durable. It is important to note that there is some RV sealant available in the market that is clear and is best recommended to paint the RV.
(6). Moisture resistant:
Your product must be versatile so that it can be used on various surfaces. It must be designed in such a way that it stops the cracking making it flexible to use and increases its lifespan so that you can use it for a longer period.
It must be portable that it can be easily carried from one place to another according to your wish without causing any damage to your pocket. You must make sure that your product is not only effective but also is available in your budget so that you can afford it easily.
Furthermore, it is important to note that you apply the sealant tape waterproof in a place where there is an air- conditioner or which is sun-proof to prevent the strengthening of the weak spots on the roof of the RV. It must be adhesive so that it resists water leakage and does not get stick to the silicone caulk.
Also, your roof coating product must be made up of acrylic rubber and must be white so that it can protect from the harmful rays of the sun by reflecting it. It must be flexible and must have the ability to get rid of the roof rumble.
Reviews of 10 Best Rv Sealant in 2021
1. Dicor 501LSW-1 Epdm Self-Leveling Lap Sealant
EPDM Lap Sealant is one of the highest volume dicor rv sealant sold in RV stores today. It helps creates a watertight seal along the roof edges, around air vents, vent pipes, air conditioners and screw heads.
Compatible with EPDM sheeting, it offers excellent adhesion to aluminum, mortar, wood, vinyl, galvanized metal and concrete.
This Self Leveling Lap Sealant improves the ability to continuously seal and remain flexible. UV stabilized to prevent deterioration and discoloration. Will not stain or discolor any material to which it is applied. 10.3 oz. tubes. This is a self-leveling sealant for clean horizontal surfaces.
I wouldn’t use it on a vertical seam. For that, you may use the ProFlex RV sealant. Both sealants are excellent but they have their own use. The important thing to consider is the condition of the old caulking. If your old caulking is clean and not cracking or coming off then the dicor lap sealant should work for you. If it is in poor condition it will not stay sealed very long, if at all.
2. Gorilla 100 Percent Silicone Sealant Caulk
Gorilla Sealant is great for the kitchen, bath, window, doors, auto, marine plumbing, gutters and more! Ready for water exposure in just 30 minutes, this waterproof sealant is mold & mildew resistant. The clear silicone sealant and won’t yellow, shrink or crack over time!
In order to use this Silicone Sealant Caulk, all surfaces should be clean and free of dirt, grease, oil and old sealant. Best if used above 40F. Unscrew cap, fold and screw-on nozzle. Cut to desired bead size. Apply sealant, pushing bead ahead of nozzle. Smooth bead immediately after application, before a skin forms.
For storage purposes, replace the cap tightly to prevent the material from curing. Store in a cool, dry location. To re-use the nozzle, remove gorilla silicone sealant caulk from the nozzle once cured. If you want to clean up, wipe the wet sealant off the project immediately with a dry cloth. Isopropyl alcohol may be used according to the solvent manufacturer’s instructions
3. 3M Marine Adhesive Sealant 5200
This 3m 5200 marine adhesive sealant is a tough, flexible polyurethane for permanent bonding and sealing on your boat or watercraft. It is ideal for use on wood, gel-coat, fiberglass, metal & more. It is recommended for interiors, below the waterline & any other areas that are shielded from sunlight.
This one-component 3m rv sealant or adhesive applies right from the container – no metering or mixing is required. It reaches handling strength in 48 hours and fully cures in 5-7 days to form a firm, flexible, waterproof sealant on joints and boat hardware.
Far more than a marine caulk, tough, flexible Marine Adhesive 5200 dissipates stress caused by vibration and shock and won’t crack under dynamic force.
It resists salt water, wind, weather and temperature extremes for long periods of worry-free enjoyment on the water. In fact, for more than 50 years, 3M Marine Adhesive Sealant 5200 has been used and trusted as a marine sealant by professionals in some of the most demanding conditions on earth.
This 3m 5200 marine adhesive sealant is extremely strong and retains its strength above or below the waterline. Stays flexible too – allows for structural movement. Has excellent resistance to weathering and saltwater.
Stress caused by shock, vibration, swelling, or shrinking is effectively absorbed. Check the bonding and sealing jobs this product can handle for you: fiberglass deck to fiberglass hull, wood to fiberglass, portholes and deck fittings, motors on fiberglass transoms, under moldings, hull seams above and below the waterline. Centerboard trunk joints. Between struts and planking. Stern joints. Deck housing, etc. Easy to apply with a manual caulking gun. Won’t sag or flow in vertical or horizontal seams.
For more than a century, 3M has applied innovation and technology to improving our customers’ lives and supporting their business goals. Today the company, from its headquarters in St. Paul, Minnesota, serves industrial and commercial customers and consumers in nearly 200 countries.
3M Industrial silicone adhesive sealant and Tapes include application-specific products that provide durability, strength and special characteristics such as temperature resistance and short- and long-term protection. The 3M brand, across thousands of products, represents consistency, superior quality, and value.
4. EternaBond RSW-4-50 RoofSeal Sealant Tape
The EternaBond RSW-4-50 RoofSeal tape is white with a 50-foot length and a 4-inch width.
The total thickness is 35 mil. The UV stable backing on eternabond roofseal sealant tape 50% makes it ideal for use in sunny environments.
The elongation factor is very high, which permits RoofSeal to expand or contract with changing conditions.
The simple installation only requires some surface preparation before use. RoofSeal can be made to fit around certain objects, as it is able to stick to itself.
RoofSeal adhesive uses MicroSealant Technology, which is a 100% solids formulation consisting of synthetic resins, thermoplastics and non-curing rubber with a built-in primer.
The RV Rubber Roof Sealant side has a silicone lining that prevents it from sticking to other surfaces before application.
If your have to seal a seam then this is it. It is expressive but much cheaper then a new roof, I used this on my RV a 32 foot 5th wheel did all the seams on the roof and walls. I used about 2 and half rolls of the 50 foot. I plan on going around my windows to and recoating the roof this year. I think this is a better option then caulk I think it will last much longer then the caulk I was having to recaulk every year or so.
I had an area on the front of my camper that was leaking due to the rubber seal strip pealing away. Slapped some of this on there and problem solved! Super sticky stuff, that has a nice white vinyl type material on the top edge that doesn’t make your repair look like a “quick fix” even though it certainly is. I also used this to seal a skylight on an older motorhome that I had and it didn’t leak for the few years that I had it.
5. Geocel 28127V Pro Flex Bright White RV Flexible Sealant
Pro-Flex RV™ Flexible Sealant is specifically designed for the recreational vehicle industry. It can be exposed to any weather condition immediately after application.
Pro-Flex geocel rv sealant has excellent expansion and contraction properties to withstand the joint movement and temperature changes associated with recreational vehicles. It will bond to recreational vehicle materials, even damp, slightly oily, or frozen surfaces.
Best pro flex rv sealant Benefits: Will not crack. Exceptional flexibility. Excellent adhesion to many surfaces, even when damp. Ultraviolet resistant. Resealable; may be applied over itself. Paintable.
Resistant to dirt pick-up. Easily applied, non-stringing formulation. Tools and cleans up easily. Mildew resistant.
… so you must pay the price. Make sure you have surgical or other gloves, and plenty of cleaning material and water handy. Water – you will need to smooth and thin the application part (less is better), cleaning material – clean all what you accidentally mess w/it ASAP and gloves b/c you want to use your fingers in the future. If you have a trailer or RV, old or new, do not look at any other material. Forget silicone!
It’s the standard of caulks for RVs for sure. One note of caution for a great application – be sure to not go very far before smoothing what you already laid down. Even in 55 degree, cloudy weather the caulk starts to skin in about 30-45 seconds and trying to smooth that out you end up with a slightly chunky caulk line. Go about 2-3 feet, smooth, then another 2-3 foot section. Great stuff.
6. Tremco Vulkem V116GRY 116 Polyurethane Sealant
Tremco Vulkem 116 One-Part, High-Performance Polyurethane Sealant One-Part Grainy Textured Finish Primerless Adhesion on Most Common Construction Surfaces Durable and Flexible Seal.
Features and Benefits: Tremco silicone sealant 16 has demonstrated superior primerless adhesion to porous substrates for 30 years, and is the choice for sealing expansion joints in commercial construction applications. It can be used exterior or interior with adequate ventilation.
Vulkem 116 is also suitable for certain water immersion applications. Tremco Vulkem 116 is also rated for 25% movement capability. Tremco Vulkem® 116 Sealant is a one-part moisture curing, gun-grade polyurethane sealant for concrete 50% . Vulkem® 116 is durable, flexible, and offers excellent performance in moving joints. No primer is required on most construction materials, and it applies to conventional caulking guns.
It is an excellent general-purpose sealant designed for use in precast, masonry, glazing, window frame perimeters and similar types of construction joints. Suitable for continual immersion in water with the appropriate primer. Designed for exterior and interior use. The light grainy texture has proven very popular for matching textured substrates like stucco and masonry and for smooth metal storefront joints the light texture blends and hides tooling marks and the wavy effect that is inevitable when tooling Sealant For RV Marker Lights.
Color: Gray Contents of Cartridge: 10.1 fl oz (300 ml) Tremco Vulkem 116 Color Chart Joint Design: Vulkem 116 may be used in any vertical or horizontal joint designed in accordance with accepted architectural/engineering practices. Joint width should be 4 times anticipated movement, but not less than 1/4″ (6.4mm).
Perfect sealant for our 2004 Airstream classic. Used to seal the gap between the shell and bumper. Stopped a leak. Please note – use this product for outside purposes only as the product suggests – strong chemical order when using. The order will subside after a bit. Definitely use gloves/plastic or throw aways as this will stain. All this is probably obvious but I felt it was necessary to add in my review. GREAT PRODUCT!!!
I use this product to seal the seams in my birch bark canoe. This product and those like it are the only non-natural products used by birch bark canoe makers. It does the job better than the traditional mixture of bear fat, pine pitch, and charcoal! I realize that this review will be of no use to most everyone, but simply had to let it be known that this product has more than one use!
7. EZ Travel Collection Roof and Window Sealant RV Putty Tape
This roll of Butyl Putty tape lasts longer than most other tapes on the market and won’t crack either. This Butyl Putty tape is commonly used on campers, trailers, and RVs with rubber EPDM roofing since it waterproof sealant longer than other putties and waterproofs very well.
This Window Sealant is also very commonly used for window seals, flanges, siding and just about everything relating to RVs, Campers, Trailers, boats, etc. Butyl Tru Seal is a non-hardening, off-white tough, butyl elastic material that has excellent sealing properties to metal, glass and plastic lap points.
This material increases in adhesion with age after application assuring a long-lasting RV Roof Sealant Tape. Features & Specifications Non-hardening Excellent sealing properties Increases in adhesion with age Color: Off-White and dimensions is 1/8 Inch X 1/2 Inch X 30 Feet.
I’ve used this for years at an ambulance manufacturing company while installing exterior items on the ambulance. We never had a warranty claim on leaking or corrosion while using this product. This putty tape is for sealing only not to secure items. Great product for keeping water out and with no corrosion issues. I highly recommend this product. It is true in the summer months it gets very soft and you need to keep it cool before installing it. I hope this helps someone.
8. Sikaflex-221 Polyurethane Sealant/Adhesive
Sika flex is the most well-known brand of one-component polyurethane adhesive sealant in the world. This fast curing product provides permanent elastic adhesion to a number of surfaces with excellent cut and tears resistance.
This sika roof sealant designed to resist the shock and abuse encountered over countless road miles, Silaflex-221 will maintain its strength and adhesion over the long haul.
Sikaflex-221 is weather-resistant, sandable, paintable and NSF approved for potable water and incidental food contact. SikaFlex-221 is the most well-known brand of one-component polyurethane sealant adhesive in the world. It’s our workhorse.
This fast curing product provides permanent elastic adhesion to a number of surfaces with excellent cut and tears resistance. It is considered by many to be the ultimate choice in truck, trailer, RV and bus manufacturing. SikaFlex-221 is weather-resistant, sandable, paintable and NSF approved for potable water and incidental food contact 221 – 10,14 oz.
I used this product to reattach a urethane rib to a urethane belt. Preparation is everything. Follow the instructions, take your time, and be sure to prepare the surface to be bonded per manufacturer instructions. If in doubt about any step, consult with their technical services dept..Do not deviate from their instructions. This is a quality product from a quality manufacturer, engineered to meet the need for bonding urethane to urethane. A very good investment.
This was exactly what I needed for my RV. I didn’t buy the self leveling because it is a lot thinner. This stuck well to my vertical and underneath areas without dripping. In my thoughts the self leveling just makes it look pretty in top where you won’t see the fingerprints as much. It’s golfing well and only wished that last person would have used it. I like 50year silicone but it comes right off the rubber and other smooth surfaces. Spent 4 hours pulling The old stuff off.
9. ToughGrade Self-Leveling RV Sealant
This toughgrade self-leveling rv lap sealant helps create a seal along a roof’s edges, around air vents, vent pipes and screw heads. Compatible with any roofing material. It also offers excellent adhesion to aluminum, mortar, wood, vinyl, galvanized metal and concrete.
It improves the ability to continuously seal and remain flexible. Color-matched, the lap RV Sealant Caulk is UV stabilized to prevent deterioration and discoloration and will not stain or discolor any material to which it is applied. 10.3 oz. tubes.
ToughSeal Self-Level Sealant seals along roof edges, around vent covers, vent pipes, air conditioners and screw heads.
It is UV-stabilized to prevent deterioration and discoloration. It can be used on use on Horizontal Surfaces too. The toughgrade self-leveling rv lap sealant may be in different packaging depending on availability.
This is the right sealer if you are working on or repairing a rubber roof on you RV. Self leveling, it gives you a nice seal around vents or over screws. If you are repairing a tear, make sure you put a patch over the tear first, then cover with this sealer. It has no structural strength like silicon or others, but will not crack when dry or with heat from the sun…
This is the best sealant I have ever used. The adhesion is like nothing else. I used it for an EPDM roof replacement and it worked awesome. Also, It says not to use on vertical surfaces but I did it anyways on RV windows and hatches and it still works great if it is smoothed out rather than left to self level as it is designed. This stuff also never hardens which keeps it from cracking, but also definitely stays where I put it.
10. Sashco Through The Roof Sealant
When your roof absolutely and positively needs to be watertight (when doesn’t it, right?), use Through the ROOF! roof repair and roof sealant. Through the ROOF! is a seriously unique roofing caulk that can be applied in the rain! (No, we’re not kidding!)
It sticks to wet surfaces, which means you can fix the leak while it’s leaking. Through the ROOF! sticks to almost any roofing surface – metal, plastic, asphalt, wood, concrete and more.
Plus, this waterproof sealant for metal won’t freeze. So, go ahead and fix that gutter during the middle of a Minnesota winter. You might get some concerned stares from your neighbors, but they’ll be grateful the next time you host a neighborhood party and their head stays dry.
Through the ROOF! is elastic, meaning it flexes with temperature changes and wind. It’s ultra-clear and stays clear, giving you a sealant that doesn’t yellow over time. Through the ROOF! lasts 20 times longer than asphalt, offers excellent UV resistance, is paintable and made with a low-VOC formula and provides water and mildew resistance.
FAQs on the Best RV Sealants for 2021
How to apply and remove your RV sealant?
The applying of your RV Sealant Caulk to the roof is very easy and you should note that before using it, the tour must ensure that the surface is clean and dry. You must read the label before applying to resist the crack and seal the sheets especially EPDM sheets properly. Furthermore, you must apply it as you apply paint on the surface.
Removing the tape depends on the types of sealant you have applied. You can depend on the instruction written in the manual for removing the sealant off the roof of your RV. If your sealant for roofs takes much time to get dry hard to allow it to remove, then it is not the best quality and you must change it quickly. Also, it is important to note that you do not apply to the place which is not air-conditioned or sun-proof as it may cause damage to the roof of your RV unless it is white and painted as a single coating.
Does your RV sealant work on every material?
Yes, it can work on the other material also, but it may not give the fine result as it gives on the RVs. So, it is important to note that not all the RV sealant cam work on the surface made up of all types of material.
Also, the sealants are designed in such a way that they can perfectly work on the material of RVs such as bathroom tub. You may consider the instruction manual inured with your RV sealant to check if it can seal the materials other than the RVs. As it depends on the type of caulk, so you must use the caulk for the other materials.
Is the silicon chalk good to work with?
No, the silicone caulk is not that good as the rubberized sealant. You may get attracted to its multipurpose use as in the bathroom tub or any other household appliances but it is not at all flexible. It is very hard and brittle and is adhesive as it does not get stick easily and does not cover the whole crack because of its inflexible character.
Although, you can work with it there are more numbers of a disadvantage than its advantage. I’d the situation arises when your camper either twists or moves, it does not get a hold on it. Also, it is not water leakage resistant and the moisture can occur underneath the roof of the RV. So, you must opt for the rubber RVs sealant as it is very flexible in behavior and easily gets spread to cover the crack and it is non-permeable to the water.
How long can you use your RV sealant?
The lifespan of the RV sealant depends on the number of times you have to use it. It is common sense that the more you use the sealant for roofs the more caulk gets lesser in size. If your RV sealant is branded then you may need it only two times a year for recaulking.
So, that it is not used many times and the caulk remains for you to use for a longer duration. As the caulk gets stick to the surface because of its adhesive nature wherever they are applied so they last long for several years.
How to caulk your RV roof and windows?
The first step is to find the spot where you want to seal it with the water and air so that it would become easy for you and you can quickly do it. Make sure that there is no raining or snowing before you apply the best rubberized sealant on the roof of your RV. Also, if you are working on the exterior side of the windows then you must be assured that no harsh winds are blowing there. While sealing, you must also consider the different types of vents and window slide-outs.
Moreover, you must find the area where you want the caulking to be done. Before applying the caulking, you must make sure that your RV is clean with water and soap and after that dry with the air. You must look after the cracks and holes on the roof for which you can pull out the caulking gun. After cutting the tube of the caulk, place your RV roof caulk into the gun and apply it to the crack surface.
It is important to keep in mind that you need the exterior caulking for the RV as it can prevent the water from getting entry into the crack and various spaces. Also, the protection from the exterior elements is important such as moisture, snow, rain and also insects from causing damage to your vehicle.
How to Caulk an RV to Prevent Leaks?
How to Seal Your RV Roof?
Does not have any issues this is our cleaner the cleaner is very simple to apply you put into a spray bottle any kind of spray bottle via the little dollars for spray bottles you spray it on the roof you take a brush you scrub it and you rinse it off you do that all the way down the roof once the roof is dry and you’ll go through and you’ll check your ceiling normally what I do when I check my ceiling because I take a little object like so and I put an invention inside the ceiling if an intention goes through that means the ceiling is still pliable so therefore all we have to do and today we’re just going to spot seal one little section to show you how it’s done I’m going to use this container called a curse off this is a product that’s safe for rubber roofs plastics and painted surfaces now if you get on your roof and it’s not dirty and you can spot seal and clean the areas that you’re going to seal basically you’re gonna take a rag some accros all spray a little section and what you want to do is you want to clean it that way the product that we use to seal it will actually tear to the roof.
And you’ll take your two good dye cord like so once you’ve cleaned the whole roof cut the tube just a little bit tell you about an inch and a half down you want a nice big hole like so then you will take your caulking gun to poke a hole into it and this is a self-leveling ceiling this is a lap ceiling and it’s made by core this is recommended by the manufacturer the rubber roofs so you can’t go wrong with that basically you’re going to start here at the edge and you’re going to put a nice thick beam along the side now this is it self leveling it use it and see what so you apply it generously what that does that seals any cracked gaps or splits for any of accessories for the roof bar as you can see our product has leveled out nice and smooth.
And that’s why I use the self-leveling that way you don’t have to go through and smooth it out but you can see the edges are very nice it’s filled all the graphs gaps and cracks and we’re good to go if you have a fiberglass roof which is just like the roof right next to us which doesn’t have an eighty p.m. rubber roof you would clean it for the product like this is fiberglass clean and prep so you want to do the whole roof just like you would do a rubber roof your sealant can be the Sikaflex 221 or you can use 311 as you can see it’s a fairly easy process it does think about it then to do so take your time and when you take your time you always get a really good job if you have any questions or any concerns or if your roof is bad please come see us here at the travel that Barbies we will take care of them.
If I am being asked, I would recommend the Dicor 501LSW-1 Epdm Self-Leveling Lap Sealant as it is painted with a single coat making it easy to deflect the sunlight. With this feature, it cannot strengthen the weak point of the roof of the RV. And it can easily contract or expand the metal which helps it in reducing the wear and tear of the RV and thus increasing its lifespan.
The listed best sealant for rv roof is the best options for you to seal the roof of your RV. You can choose any of the listed RV sealants according to your budget and wish.