Application of liquid rubber coatings

Application of Liquid Rubber Coatings Starts with Preparing the Surface

The application of liquid rubber coatings is easiest when the surface is flat, clean and smooth. As is the case with all painting jobs, the most time-consuming part could be cleaning and repairing the surface.

How to clean the surface depends on the material. For metal roofs, sweeping and/or washing may be all that is necessary. You should make sure there is no debris on the surface, because any debris will show through the coating.

Concrete floors should be as smooth as possible. If cracks or holes are present in any material, fill them with a non-silicone based caulking. The rubber would fill the hole, but a dent would still be visible. Depending on the depth of the hole, this could cause a variety of problems in the future.

For some older roofing materials, it is a good idea to reinforce the surface with butyl tape and polyester fabric. For example, if there are gaps, tears or other defects, you would want to correct those problems. Although the coating does not adhere to all materials, it does adhere to fabric.

Rubber Liquid

Depending on the surface to be covered, a catalyst coating may be needed. For example, the application of liquid rubber coatings to existing asphalt-based roofs requires a pre-coating with an elastomeric catalyst. Follow the manufacturer’s directions concerning what type of pre-coating to use.

Generally speaking, latex house paint is not an acceptable solution.

You will need a squeegee, a roller and a paint brush to apply the coating, once the surface has been prepared. The thickness usually recommended for the coating is 20-mil. It may be necessary to do a spreading rate calculation to get an idea of how that thickness can be achieved. A good estimate for a flat smooth surface is 40 feet per gallon. The application of liquid rubber coatings to uneven surfaces will require more.

The product needs to be spread as evenly as possible. You want to avoid making it thicker in some spots and thinner in other areas. The squeegee is used initially to spread the material. It is recommended to follow the use of the squeegee with a roller to promote more even distribution and get rid of any air bubbles that may be trapped within the liquid.

The first 2 gallons usually take one or two hours to apply. If you have already determined how many gallons you need, this should give you an idea of how long the application of liquid rubber coatings will take. You should be able to get the job done in a day.

Liquid roof and its benefits

Liquid roof

Liquid Applied Roofing Systems

Information about Liquid Roof and Its Benefits

Here you can learn a bit about liquid roof and its benefits for new and existing construction. Let’s start with the basics.

What Is It?

Liquid roof is a liquefied version of a synthetic rubber typically referred to as EPDM. The letters EPDM stand for ethylene, propylene, diene monomer and M class respectfully.


Before the liquefied version came on to the market, rolls of the rubber were used for waterproofing roofs. The liquids are easier to apply. They fill up cracks and crevices. They can go where the sheets could not go.

Why Choose the Liquids?

Ease of application is one reason. The foil is more difficult to apply correctly. You could easily end up with bumps, overlaps and uneven spots that contribute to water pooling. Water can seep under the rubber sheets and cause the roofs to leak. So, while the rolls were the best choice for waterproofing at one time, there are better choices today.

The liquids have more uses. They can be used on RV roofs and other vehicles. They can be applied to a wide range of roofing materials including metal, fiberglass and wood. Through the use of an undercoating, the liquids can be applied to built-up and asphalt-based coatings. Other reasons to choose the liquids are listed in some detail below.

Liquid Roof and Its Benefits for New Construction

For new building construction, applying the liquids increases the lifespan of caulks and sealants used to waterproof around flashing, vents, HVAC units and other protrusion points. If the new roofs are made of steel or aluminum, the liquids prevent rust and effectively extend the life of the roofing material.

If you choose white, which is the base color typically provided; the coating reduces heat within the building and also helps to protect the surrounding environment from excessive heat. Black and dark colored roofing materials are partially to blame for the high temperatures seen in southern cities during the summertime. By reducing heat within the building, the coating helps reduce air conditioning costs.

Liquid Roof and Its Benefits for Existing Construction

When applied over the entire area, the coating provides the same benefits for existing roofs as it does for new ones. It can also help to reduce noise from rain falling on metal roofs.

For roof leaks and general waterproofing, the roof coatings are the least expensive and most effective choice. So, there you have the facts about liquid roof and its benefits. It’s a money-saving environmentally friendly alternative.

Roof leaks repair with EPDM coatings

Roof Leaks Repair with EPDM Coatings Roof leaks repair with EPDM coatings is often recommended by professionals for many reasons. Here are the reasons to consider this type of liquid synthetic rubber for all of your roofing repairs. Cost Savings There are short-term and long-term cost savings. Repairing a leak is always less expensive than replacing the roofing material but most repairs are short-lived. The leak has to be repaired again and again. Leaky spots typically occur on flat roofs in areas where rainwater pools. Those spots are not going to go away easily. To completely get rid of them could require a complete renovation of the building. The best coating can last three times as long as other reparative materials. It lasts longer than acrylics and urethanes. Since you don’t have to make the repairs again and again, there is a significant long-term cost savings. Ease of Use Flat roof leaks repair with EPDM coatings is also recommended because of how easy it is to use. You can do the work yourself. You can hire a contractor or you can have your existing maintenance crew do the work. Complete instructions concerning temperature, application, coats, cure time and other important factors are included with the products. Basic application instructions include cleaning the surface and then applying the material with a rubber squeegee and a short-nap roller brush. You can use a standard paint brush for hard to reach areas. Noise Reduction+ One of the reasons people choose a rubber coating is to reduce noise. Noise from rainfall and other sources are reduced significantly because of the rubberized surface. Of course, this benefit is only realized when the material is used to cover the entire roof. If you are repairing a small section, you may not see this benefit. High Compatibility with Most Roofing Materials Roof leaks repair with EPDM coatings is a good choice for more roofing materials than any other kind of coating. The coating can easily be applied to metal, rubber, fiberglass, concrete, wood, fabric or foam. For asphalt and asphalt built-roofs, a special elastomeric coating should be used first. The rubber does not adhere directly to the asphalt. But it will adhere to the elastomeric coating. Some companies offer a 10 year warranty when the liquid rubber is used in conjunction with the elastomeric coating. Those are the main reasons that roof leaks repair with EPDM coatings is a good choice. The cost savings alone makes it worth your consideration.

Technical Aspects of EPDM

Elastomeric coatings are roofing applied in a viscous state. It has elastic properties, and can stretch in the summer time heat and then return to their original shape without damage.

Elastomeric coatings usually contain polymeric materials, such as acrylic, and a white pigment, such as titanium dioxide, to make them opaque and reflective. An elastomeric coating is applied thicker than paint. An elastomeric coating can be used on virtually any substrate including asphalt built-up roofing, concrete roofing, metal roofing, modified bitumen roofing, polyurethane foam roofing and single ply roofing.

Since EPDM Liquid Rubber Coatings cures by chemical reaction, a single heavy application will be preferable to multiple thin coats. A second coat will bond to a previous film but that bond will not be as strong as the internal bond within each layer. If a second coat is applied before the first has thoroughly cured, some wrinkling may result as the first coat absorbs solvent and swells. This will, however, recover as the solvent evaporates. It is generally recommended that only a single coat be applied over non-porous surfaces, the thickness of which can be varied as desired. Thicker films will take longer to cure through. Asphalt coatings and asphalt built-up roofs are considered unstable substrates and therefore, not recommended for coating directly with Liquid Rubber EPDM. EPDM COATINGS do carry a specific elastomeric which with a two coat application gives you a 10 year warranty.

Liquid Rubber is designed to re coat structurally sound existing roof and protective materials. They are also best for RV Roof Repair. They should not be used in place of roofing membranes”.

The following are recommended substrates to coat:

  • Metal – Coated or Galvanized Steel
    • Weathered Aluminum
    • Weathered Copper
  • EPDM Rubber membrane
  • Concrete (except foot traffic surfaces)
  • Urethane Foam
  • Primed Wood
  • Fiberglass
  • PVC Sheet and Pipe
  • Acrylic Sheet
  • Sponge Rubber insulation

Do Not use Liquid Roof or Liquid Rubber on the following substrates:

  • Built up asphalt roofs
  • Asphalt shingles
  • Modified asphalt roll roofing
  • Stainless steel
  • Glass
  • Silicone caulk
  • Foot traffic surfaces
  • Hypalon Membrane

Roofs Types, its repairs and coating materials

When we get tired of the whole day’s activities our most imperative want becomes to go home and get relax. As the thought of going home comes to our mind a smile comes to our faces unconsciously because of a peaceful place for tranquil. Home is the place which gives soothing and comfortable thought to everyone. It serves as a shelter from all the outside and environmental harms. Roof is the most important element of the home construction and its most intricate thing to repair and re-roof. Before deciding on roof repair or repair decision, all of us must be aware of the expected roof lives.

All roofs are made from different materials and each type of roof has a different lifespan. The best way to determine how long you can expect your roof to last is to check with the manufacturer’s warranty. However, you should also realize that with a preventive roof maintenance plan that utilizes seasonal inspections, you could greatly enhance the lifespan of your roof. When considering roofing materials, always talk with your roofer about the steps that you should take to maintain its condition as well as anything that you should do to ensure that you don’t void the warranty. By taking the time to choose the best roofing materials for your house’s design, structure and geographical location, you will have a better chance of enjoying new roof for many years.

Most commonly, roofs fail because some aspect of the installation was done poorly. Many roofers don’t pay much attention to the details. Problems caused by poor installation often don’t show up for five or ten years. By the time there’s a leak, the home has changed hands or the homeowner has no recollection of who did the roof — let alone any idea where to find them. There are plenty of sloppy roofers out there that never even know about the problems their poor workmanship causes.

Then there are the lucky few homeowners whose roofs fail simply because the materials have surpassed their useful life. Typically these roofs go 20 years or more without a leak and replacement becomes obvious because many of the shingles are starting to curl or tear. Many roofs are covered with asphalt shingles. These shingles should last 20 years or more but often fail after about 15. If your roof is starting to leak and is 15 years old or older, there is a good chance that you’ll need a new roof soon.

All conventional flat roofs are exposed to surface deterioration under the action of sun, wind, driving rain, hail, ice and snow, traffic, building movement, temperature cycling and water ponding. It is because of this process of degradation that a roof must be inspected yearly. When a leak occurs in a flat roof, a more serious type of deterioration occurs. Even if water does not enter the building, it attacks the insulation. Destruction of the roof system can progress rapidly and cause damage for which repair is costly or impossible. This phase of deterioration is neither inevitable nor normal for a properly designed and constructed roof, and usually is merely the result of neglect and lack of maintenance.

It is difficult to comprehend how a roof, which is an expensive element of the building, can in many cases go on unattended for years. It is similar to buying an expensive car and being content to only add gas when necessary. Both car and roof will fare miserably before they reach half of their designed life.


Another aspect of roofing to consider is the material that is used for the underlayment, sheathing and trusses. If you are building a new roof, you should realize that all of these parts to your roof system would come with warranties as well as methods of maintenance and care. You should also have plenty of adequate ventilation included in your roof system to help preserve the life of your roof. Taking the time to discuss all of the options available with your roofer will help you to maximize the most from your roof.



The primary advantages of liquid roof coatings are their economical, proven performance life, and ease of use. Roof coatings are generally very good weather and water sealant. Today’s liquid roof coatings are versatile and applicator friendly. Non-flammable products are also available.


It’s important for you find a good coating for your roof: you want a coating that will protect your roof from the elements and make it last even longer than it traditionally would. You have several main choices for roof coatings. There are pros and cons to each. Roof coatings can be put on your roof at any time during the life of your roof. However, it’s usually best to put the coating on the roof when your roof is replaced or if your notice any leaks in your roof.


The most widely-used roof coatings product is the acrylic elastomeric coatings. This type of elastomeric coatings can extend the lifespan of the roofing system through a dependable protective finish. Elastomeric coatings are also preferred by green building enthusiasts because of its environment-friendly coating formulation.