roof and rv treated with liquid rubber paint

Today you’re going to learn EXACTLY what are the best brands and types of liquid rubber sealant.

In fact the products listed below are all you need to finish you’re next DIY project.

But first…

Couple of word about the material.

The liquid rubber paint?

Due to their high waterproof properties and resistance to weather the liquid rubber paint sealants are mainly used for the installation and repairmen of roofs, and for coating and protecting facades

When applied they cure, forming a durable but flexible rubber-like membrane, resistant to mechanical and weather effects.
It’s a friendly (no VOC) material that has excellent adhesion and elastomeric properties.

The marital operate on wide temperature range, it is resistant to UV light, and has long life span.

Let’s check some of the best and most known brands and types.

Liquid rubber waterproof sealant for coating

general purpose liquid rubber paint

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A universal product that offers a durable and quick seal, the liquid rubber waterproof sealant stops leaks and moisture, seals out air, prevents rust and corrosion, even minimizes noise and vibrations. Liquid rubber can be used for gutters, ponds and pools, boats and a lot more, but is especially good for basements and foundations, making sure no moisture gets inside, even after a heavy rain.

An added bonus is that unlike many similar products, the liquid rubber sealant is not dangerous to pets and plants and can safely be used to coat pretty much anything that needs a watertight and flexible rubberized coating.

This white liquid rubber coating comes in a can which makes it super easy to apply and can be brushed, rolled or poured on, depending on where you need it. A word of warning: the rubber starts out as liquid but begins to dry quickly, so keep that in mind.

Liquid rubber for roof coating

liquid rubber paint for roofs

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A leaky roof doesn’t have to cost a fortune to fix – sometimes all you need is some liquid rubber for roof coating and the problem is solved. It can be used on flat or sloped roofs, on wood, concrete or metal, and a few coats will guarantee weather protection and zero leaks.

Simply brush it on and the rubber will cure into a waterproof membrane. However, make sure you apply it on a dry, clean surface and wait for each coat to be dry to the touch before adding a new one (usually 12 to 24 hours between heavy coats).

Once applied, as easily as paint, this black liquid roofing will create a watertight seal that will protect your roof. And since it is water-based and is not harmful to people or pets, the liquid rubber can be used not only on your roof, but inside your home as well.

Liquid rubber for RV roofs

liquid rubber paint for rv

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RV roofing can be very fragile and replacing it can be very expensive, so any RV and trailer owners would be wise to check for damage early and often and to get a can of liquid rubber for RV roofs.

Easy to apply, environmentally friendly and perfect for all types of RV roofs, campers and trailers, liquid rubber sealant is an elastomeric coating which creates a waterproof seal, protects the surface and prevents leaks.

To make your life even easier you can get a ready-made kit which includes everything you need – a 5 gallon can of RV roof coating, seam tape, primer, cleaner, brushes, rollers and even gloves. Keep in mind that you should not leave the can open while you work, because the top layer will start to dry out. You can also keep any leftover sealant in the closed can and use it later, there is no need to use up the entire 5 gallons if you don’t need them.

Liquid rubber silicone coating

silicone coating liquid rubber

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If longevity is your primary concern and you want to make sure there will be no need to get up on the roof of your home or RV and repair leaks again and again, a silicone coating might be what you need. As easy to apply as most liquid rubber products, it is waterproof, UV resistant and extremely durable – it will not soften or degrade even under ponding water or a snow cover.
Silicone coating will remain flexible and will adhere to almost all types of surfaces and the best part is you don’t need to use a primer before you apply it. Manufacturers are so confident in the material’s strength and durability they actually offer a 50-year limited warranty on silicone coatings.

Keep in mind however that silicone is not good for deck coating or flooring since it is not designed for regular foot traffic.

Liquid rubber spray

liquid rubber spray

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Perhaps the easiest way to apply liquid rubber is the liquid rubber spray – perfect for hard to reach otherwise places that need a watertight seal, the spray will seep into any cracks and holes and will quickly stop any leak.

Spray rubber comes in an aerosol spray can and if used indoors, make sure it is in a ventilated area with open doors and windows (during application and drying). While it will work best when applied on a dry surface, if it’s an emergency, it can be used when wet and even in a light rain.

Keep in mind the spray rubber will adhere to almost any surface, including wood, metal, tile, glass, aluminum, concrete and fabric, but may not work with some plastics and type of vinyl. The rubber paint comes in different colors but can also be painted over, once dry, if need be.

Liquid EPDM rubber

liquid epdm rubber

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Liquid EPDM rubber has an extremely good resistance to both high and low temperatures, even in the extremes, let alone regular bad weather. Since it is UV resistant, EPDM rubber can be used on surfaces constantly exposed to sunlight and if heavy rain is your issue, the coating will create a waterproof seal, preventing any leaks. It can even take a light shower while drying but your best bet is to schedule application when the forecast is a little sunnier.

If you notice some ripples or bubbles forming while the rubber is drying out, don’t worry, these will dissipate as the sealant cures, leaving a beautiful coating that makes your roof look like new. EPDM is especially popular with discerning RV owners (an improvement on the original EPDM roof) but can be used on all sorts of surfaces and unlike other liquid rubbers, one coat is usually all you need.

Buyer guide

Selecting and buying the best liquid rubber depends on what you plan to use it for, how you prefer to apply it and if you’d like any additional features, besides waterproofing.

What is liquid rubber sealant/coating?

Liquid rubber is pretty much what you expect and what it sounds like – a material that starts off in liquid form and therefore is easy to apply, much like paint, and when dry, creates a waterproof coating that seals off any and – if applied properly and generously – all leaks.

What are the types of liquid rubber coatings?

There are a few types of liquid coatings and is good to know a bit about them, so you can choose the right kind for you. The following are the 3 most popular elastomeric types of sealants and EPDM liquid rubber.

Acrylic coating

Acrylic coating creates a waterproof membrane to restore and improve old roofs and will likely add around a decade to the roof’s lifespan. However acrylic roof coatings require primer before application and often need more coats, which is something to keep in mind when selecting a product – more coats means more material and more time.

Silicone coating

The most elastic of all elastomeric coatings, silicone is more reflective than acrylic, it adheres better and doesn’t require a primer. Also it can withstand ponding water, so keep that in mind if you have an issue with it. However, it might hold onto more dirt and appear a little less attractive.

Urethane coating

Urethane coating is extremely durable, which might be one of the reasons it is so commonly used as a roofing sealant. It is not the most reflective material and is not the best protection if there is an issue with ponding water, but it is dirt-resistant and will make your roof look good.

EPDM liquid rubber

EPDM is a type of synthetic rubber that creates a very durable coat and will adhere well to not only horizontal but also vertical surfaces. A single coat is usually sufficient and there is no need for a primer. It is also the best coating for climate changes as it works great in really high and low temperatures.

What are common use cases for liquid rubber?

Roofs

One of the fastest growing trends in roofing systems in North America and Europe, liquid rubber coating can be applied over almost all traditional materials. Asphalt, concrete, bitumen and felt are just a few of the types of roofing that can be covered with liquid rubber sealant.

RV roofs

Liquid rubber is a simple and affordable way to prolong your RV’s roof life and to eliminate those common leaks. Whether a tear in the roof itself or some damage around a skylight or a vent, a few coats of liquid rubber will prevent dripping or moisture.

Decks and docks

If you need to protect your deck, pool deck or dock, there are two solutions depending on your needs – you can get a rubber liquid product which will keep the surface cool under your feet or a hard, waterproof coating which guarantees excellent protection and can be smooth or textured.

Metal roofs

Metal roofs are notorious for leaks and have to be repaired or replaced on a regular basis but applying a few coats of liquid rubber will solve the problem and extend the life of your roof. To prepare the surface it’s best to use a power wash and make sure it is completely dry before applying the rubber.

Basement interior walls

Perfect for basement interior walls, liquid rubber will ensure no water gets inside your basement and it contains no solvents, is non-toxic and safe for people and pets, which is a must for any product you use inside your home. And unlike similar products, rubberized paint comes in different colors.

Foundations exterior

If you have issues with the foundations of your home or you simply want to avoid any future damage, a liquid rubber sealant can be used to coat concrete, wood, cinder block and insulated concrete forms. Make sure foundations are as clean and dry as possible before applying and bridge any joints, cracks or seams with tape.

Ponds

Even the best designed ponds will eventually have a leak or two – it’s inevitable. It is also easy to fix with some waterproof liquid rubber coating which will create a seamless membrane and waterproof your pond. Don’t worry if you have fish in the water, liquid rubber is water based and non-toxic.

Gutters

Another very popular use for liquid rubber is gutter repairs – if you can’t or don’t want to replace the entire gutter, some liquid rubber will stop the annoying and often dangerous dripping. Just make sure to avoid intense direct sunlight while applying the rubber and remove any old and useless caulking gel.

Torch Down / Mod-Bit Roofs

Over time Torch Down and Mod-Bit roofs will start to break down and even insignificant at first sight damage can cost you a fortune in the end. Liquid rubber sealant will create a waterproof membrane that will add about a decade to your roof. Keep in mind you should not coat over saturated roofs.

Shower liners

Liquid rubber sealant for foundation can be used to line and waterproof showers – applied under the tiles, it is invisible, non-toxic and ensures no leaks. It should go without saying, but make sure the surface is dry and clean before you add the rubber. After the final coat is dry, apply standard tile mortar directly on the rubber.

Planter boxes

Liquid rubber can be applied to wood (as well as concrete, masonry, metal and much more) and can be used to waterproof planter boxes, since it is non-toxic and safe for plants. The coat will create a waterproof membrane to ensure there are no leaks and it comes in different colors to fit your décor.

How long does it dry?

It depends on the humidity and temperature, but usually, when applied, the material cures from 24 to 48 hours. In cold temperatures and high humidity time increases, so weather must be considered before application.

What are the advantages of liquid rubber coating?

The main benefits of liquid rubber coatings are:

  • Stable when temperatures vary
  • Excellent adhesion
  • Waterproof – water and oil cannot penetrate the coating
  • Useful when there is shift in the rooftop
  • Super flexible and strong – enough to protect against leaks
  • Very good where traction is needed – roofs, around HVACS, green roofs
  • Long life – lasts around 10-15 years
  • Sun protection – UV light bounces
  • Easy to apply
  • Non-toxic

How to apply liquid rubber coating?

Liquid rubber is not only a versatile product that can be used to repair and improve roofs, decks, foundations, gutters and much more, it is also quick and easy to apply.

One way to do it is to pour some material on the surface, spread it with a squeegee and then roll it on. This is more accurate and a good option for sloped roofs.

If you prefer, you can use a sprayer and spray the rubber coat on, which is faster and a perfectly good way to coat a flat roof, for example.

Where to buy liquid rubber sealant?

The best place to buy liquid rubber sealant is online – there are plenty of options to choose from, information and instructions are readily available and great promotions will save you some money.

Delivery to your door is also important, since depending on your needs you might have to get a few gallons of rubber.

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