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Liquid EPDM Rubber

For Residential and Commercial Roofing Only

Tired of fixing your roof with inferior products or want to fix your roof leak right the first time? Look no further than epdmcoatings

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How can you use Liquid Rubber?



  • Metal Roofs either galvanized, steel or aluminum
  • Copper that has weathered
  • On any existing EPDM membrane
  • Any Rubber roofing system
  • Concrete (except high foot traffic surfaces)
  • Urethane Foams
  • Wood that has been primed with the ProFlex primer
  • Asbestos- For those wanting to avoid the costly undertaking of asbestos removal you can coat over and lock any would be asbestos particles from leaving the surface
  • Fiberglass
  • PVC
  • Potable water applications
  • Acrylic
  • Siding that has been aged
  • Polycarbonate plastic
  • Foam insulation for pipe
  • Cast concrete

Liquid Rubber is such a unique material. It is the only liquid EPDM rubber in the world made right here in the U.S.A. With its 25 year history of success it is developed quite a fan base and satisfied customers around the world. The reason for its success if found in some very unique characteristics not found in other roofing products; it waterproofs right after it has been applied. So what that means is you can essentially have a rain come through and it will not hurt the product. In fact if the temperature of the ponding rain water reaches 50 degrees it will even begin curing underwater! It can perform in the harshest of environments form -40 below zero to well over 250 fahrenheit. What is even more impressive is that it can take temperature swings from -20 to 80F. We don’t have any areas of the world with those temperature swings day and night but just being able to make a statement based on laboratory testing tells you the resilience of the product. Not only is it UV and ozone resistant but it has a built in mildewcide and funjicide. The material will not peal, flake, crack or chip away.

Applying Liquid Rubber


You Liquid Rubber can be applied at any temperature however it will only continue to dry (cure) when the daytime temps reach 55 or above. So as seasons change as long as you still have daytime temps above 55 you can use the product the curing process will just take longer than in the summer.

Its unique Curing Process

Liquid EPDM is a two part system a pre-measured bottle of catalyst comes with your order. Once you mix the catalyst you have a 4 hour time period to use the material; plenty of time. Once you apply the material and it begins to set up you may notice bubbling. This is normal and one of the biggest benefits of the material. What is occurring is the weight of the volume solids of the material combined chemical reaction of the catalyst is forcing that otherwise trapped air to the surface. Once it is fully cured what you have is a chemically bonded coating to your existing substrate. Essentially a new roof for a fraction of the cost. Although this is a coating we really like to call it a new roof in a can. Don’t be fooled with its simplicity and the fact that just one thin coat is all that is needed because since it is 100% EPDM rubber; there is no comparison to other liquid roof products. Other traditional roof coatings in a can dry very quickly leaving air trapped between the coating and the substrate.

For those of us who have tried other products we know all too well they need to be recoated after 3-4 years. Liquid EPDM requires only one coat. There is no need to add additional weight to your roof by putting on elastomeric systems that require 2 or 3 coats. At that point you are well over the cost of one coat of the Liquid EPDM and you are getting a far less superior product. Accelerated age testing was done with the EPDM against your elastomerics, acrylics and even urethanes and it outlasted then not 2 times, or three times but in some cases even 4 times.

Liquid Rubber
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Liquid Rubber is a protective coating. It is manufactured for implementing the most up-to-date achievements in chemistry. Liquid Rubber is environmentally friendly extremely durable and reliable and exceeds quality materials in North American and World-wide standards.

Features and Benefits of Liquid Rubber

  • A do it yourself system
  • Proven history of success
  • One coat means lower labor and material costs
  • Versatile, can be applied with airless sprayer or Brush, Roller and squeegee
  • No harmful vapors
  • Outstanding flexibility allowing for movement on the object is was applied on
  • Odorless once cured
  • Produces a seamless layer leaving no gaps
  • Highly resistant to punctures

Uses of Liquid Rubber

Liquid Rubber over the past twenty five years has proven to be an easy to apply system that waterproof immediately. It is also the only roofing material to withstand standing water literally 365 days a year. It has met the increasing requirements of environmental and health and safety considerations.

Liquid EPDM Rubber was initially developed to address roof leaks but due to its uniqueness and versatility many companies and entrepreneurs have used for application not even remotely related to roofing. These products are state of the art, with respect to today’s environmental concerns and safe working practices.

Liquid Rubber may be applied on roof decks (mild foot traffic only), metal roofing system, gutters, potable water features, asbestos removal alternatives, enclosures around your air conditioners, cooling towers, galvanized steel, unit heater flues, chimneys, fiberglass and non-porous brick and cement surfaces. Liquid Roof is excellent for wood (with the use of the ProFlex primer), and canvas.


  1. The catalyst needs be added prior to use.
  2. Mineral Spirits or even Xylene can be added for viscosity adjustment and clean-up.
  3. Most common way of application is with a squeegee followed by a find nap roller. The product will self-level as it cures.
  4. The lot life is very long allowing the applicator to take their time. Approx. four to six hours depending on your temperatures.
  5. Temperature is the only factor affecting the cure. Humidity plays no part in the cure.
  6. Liquid EPDM is hydrophobic (repels water) therefore the area to be coated must be completely dry.
  7. Also due to its slow cure time the epdm will find its way into the smallest of porous substrates giving you a stronger overall roof coating.
  8. 8. The cure of the product can be halted at freezing temperatures allowing you to keep the material already catalyzed for up to a month of if put into an empty refrigerator at temps below 50 degrees it can be prolonged for 7 days. The product should be warmed up to room temperature again to allow for ease of application.

  • Testimonials

    • Bob & Sally H.

      The two pictures are the before and then after using your product Liquid Rubber. Very pleased with the way it turned out! And also the shipping sure came quickly. Have a great and safe day! Bob & Sally H.Yuma AZ

    • Rick M.

      The epdm rubber roof was easy to work with. I am very pleased after having a leaky roof that will be good for many years to come. Roof had mold on it so we first killed the mold with Clorox and water and scrubbed I down and then cleaned the roof with Dawn dish detergent. Attached are the before and after pictures. ThanksRick M.

    • Staff at EPDM Coatings,

      My 29, RV had a couple leaks, at the front where the aluminum and rubber roof came together under a molding, and under the radio antenna. I purchased the 5 gallon bucket. I mixed as directed, then poured mixed product into another clean bucket, scraped it clean, and mixed a few more minutes. After preparation, I applied the liquid rubber around all edges and roof fixtures, I poured small amounts out of the bucket onto the roof and distributed with squeegee or roller as needed, until product was gone and… Read more

    • Hello,

      My name is Jeremy Berkheimer and I purchased the liquid roof coating earlier this spring. I am attaching the before and after photos of my 38 sandpiper roof. This coating was awesome. It took some real cleaning before hand and a I got a bit of extra exercise spreading it but the finished product seems well worth it. Thanks!

    • Hi

      Please find attached before and after photos for my camper roof. I forgot to snap a pic of the before, so I had already started applying the Proflex primer when I took the picture. You can still see the condition of the roof though! Also, the after pic was after the newly coated roof endured it’s first rainfall.

  • Contact

    EPDM Coatings N.E Sales Office
    494 Bridgeport Ave Suite 101,
    PMB 342 Shelton CT 06484-4748
    Call: 610-298-1989, Fax: 702-977-2936
    Proud Distributor of Proguard Coatings
    Tel: 1-610-298-1989

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