Jul 01, 2016 polyurea vs epoxy coatings july 1, 2016 when you are searching for a coating to protect your floors from stains, chemicals, wear and tear, oils, and damage, you may come across two main types of coatings, epoxy, and a family of polyurethane based products, including polyurea. Polyurethane is more resistant to chemicals than epoxy. Surface preparation steel abrasive blast cleaning t angular surface profile 47. The fact is, you can get the best of both worlds by using epoxy flooring as your base coat and polyurea as your top coat. Polyurea flooring systems can withstand more abuse and impact than any traditional epoxy coating, offers much better protection against harmful agents like oils.
This is why they are the preferred choice for heavy duty industries, warehouses and. Jun 26, 2017 epoxy floors are harder, more durable and have a much higher compression strength than polyurethanes. Crack injection for concrete basement walls the concrete. Pps85 is a twocomponent, slow curing, no odor, hybrid polyaspartic coating system designed as a decorative yet durable coating for commercial and industrial flooring. The most popular two you are likely to encounter are epoxy. If you do research about the large bedliner vendors rhino lining, linex, scorpion, etc you will see boasts about polyurea bedliners as well as the words polyurea polyurethane and polyurethane. When it comes to epoxy vs polyurethane coatings, the important takeaway. Epoxy liners are typically bonded directly to the substrate and may require the use of primer. Polyurea and polyaspartic garage floor coatings are highly resistant to abrasions as well as chemical penetration which make them ideal for use in private residences and commercial garages. Here is a breakdown of the curing properties, applications and characteristics of each concrete protection system, to help you make better informed decisions when choosing your next coating solution.
Difference between epoxy floors and polyurea polyaspartic when considering updating your floor you will be presented with many options. Usually, an epoxy will cure when the ambient air increases to 40f or more. Polyurea systems use urethane based technology throughout the entire system and provide outstanding uv resistance. Polyurea and polyaspartic floor coatings have become very popular over the last few years in the coatings industry. Since epoxy will crack or disbond during its life cycle and usually sooner than later, it has been. Semirigid epoxy hasnt been used successfully at less than full depth due to the punch down of material. Epoxy floors are harder, more durable and have a much higher compression strength than polyurethanes. These resins are crosslinked resins that are assembled by the cure of the material. The two are quite similar, but with some obvious differences. Its also marketed as an easy doityourself application. Polyurea floor coatings vs epoxy floor coatings ccs mn.
What is the difference between a polyurethane adhesive and a polyurea adhesive. Polyurethane resin, on the other hand, is up to 50 times more expansive than epoxy resin, making it far more resistant to cracking and therefore suitable for indoor or outdoor use. Epoxy coatings are specifically designed for garages as well as industrial or commercial spaces and workshops. In other words, its flexible so it wont crack like an epoxy would and it has a natural. Polyurea flooring systems presents the mostadvanced, fastcuring and fasthardening system in concrete flooring technology. However, polyurethane is better able to resist scratches.
Concrete spalls are easily repaired with the fast setting self leveling material. For the repair of concrete floor cracks, certain epoxies and polyurea materials exists. Epoxy resin dries, or cures, to a very hard, unexpansive surface and is only suitable for indoor use. The most important difference is that the polyurea reaction is much faster than the polyurethane one, and the systems can gel within a few seconds after mixing. It is more tolerant of extreme changes in temperature. They are sprayapplied at dry film thicknesses of 60 to 250 mils. An epoxy coating also offers more complex epoxy patterns and color designs than a polyaspartic polyureas coating. Polyurethanes surface may not be as hard or thick as epoxy. Its said that one pouring of epoxy resin is equal to 60 coats of polyurethane in thickness, but it isnt necessary to use a resin just to get a high gloss effect. You get a final garage floor coating that will stick to the floor through high moisture vapor emissions, and the increased durability of a polyurea top coat. In polyurethane and epoxy systems, the three idealized characteristics tend to work against each other. Difference between polyaspartic and polyurethane sealers coatings. Epoxy resins can be applied in a range of thicknesses for a multitude of applications including general flooring for. Their limited pot life and sensitivity to humidity require very well trained and experienced staff.
If youre in need of a floor coating for a garage, warehouse, or shop floor youve likely heard of two different types of floor coatings. Apr 26, 2011 on the downside, these coatings are rigid, which creates problems if the structure moves beyond the coatings ability to expand. Versaflex incorporated formulates, manufactures and supplies pure polyurea protective coatings, linings, joint fillers and repair materials for a wide variety of industrial, commercial and maintenance environments. It is also important to understand the difference between polyaspartic and polyurethane sealers coatings because one can be substitute for the other. At this low temperature, an epoxy is dormant and will likely freeze. We use polyaspartic polyurea often, but 98% of the time as a top clear coat on a garage floor only.
There are occasions, especially in lighter colors where epoxy can yellow under the urethane. Polyurethane and polyurea coatings are ideal for protecting concrete against the effects of moisture, abrasion, corrosion, and chemical attack. However, an epoxy coating is actually a thermoset resin that acts as a barrier. Indeed, cost is always an important consideration when choosing finishing systems for products. It is highly elastic 300% and will accommodate expansion, contraction and relative movement within concrete without cracking.
Polyurethanes and polyureas both cure to systems that can vary from rigid to very flexible solids in their final properties. Epoxy or polyurethane which is better for concrete crack. And epoxy systems have been used successfully for many years on floors such as trucking facilities, airplane hangers, and. Sspcpaint 39 twocomponent aliphatic polyurea topcoat. Difference between epoxies and polyureas difference between. Or call us for help with choosing between epoxy and polyurethane concrete repair products at 6312986300. Both coating systems are derived from the reaction of an isocyanate component and a resin blend component. They can look rather similar to the untrained eye in this photo, urethane is on the left and epoxy is on the right, but they have different properties. Difference between polyurethane and polyaspartic coatings. Epoxy is deceiving because when first installed, it looks pretty good. Our polyurea floor coatings will have a mild odor for a few days, comparable to a freshly painted room. Versaflex 100% pure polyurea protective coatings and.
These materials cant accept joint movement, especially in the loaded or shear planes. Polyurethane is flexible helping it to absorb impact better than epoxy. Epoxy costs less, but thats only an advantage in the short term. Polyureas fast reaction time 515 seconds leaves polyurethane and epoxy materials in the proverbial dust. The whole purpose is to fill the crack, from front to back, with epoxy or polyurethane. First, lets get something straight epoxy coatings and polyurea coatings are not paint products. What are the differences between epoxy, mma and polyurethane. Polyurethane vs epoxy for foundation wall crack injection youtube. For the laypersons, knowing the difference between the two is essential information to obtain. Epoxy has proven over the years to be able to resist very high moisture vapor emission ratesas high as 18 pounds. Polyurethane does not bond well to concrete and will not fill in cracks and damage to the floor.
Cracks need to be repaired after floor prep and before coating. We have products that will repair cracks, spalls, gouges, missed saw cuts, joint deterioration, and pop outs. At concrete coating systems, we have been installing concrete floor coatings since 1985, and in this time weve seen a number of different types of coating materials come and go. Polyurea is an organic polymer that is the reaction of isocyanate with an amine terminated polyether resin, forming a plasticlike or rubberlike compound that may be used in many of the same ways as older technologies polyurethane, epoxy, vinyl ester, neoprene. An epoxy coating of a garage floor is generally a great choice to prevent skidding while being driven on, eliminate the possibility of permanent stains, prevent moisture, and to give your garage floor an attractive appearance. Compared to the many decades that your polyurea will last, epoxy will almost definitely result in you spending again and again for recoating. Jul 14, 2015 epoxy floors are much less flexible in this respect in the sense that they usually require 7 days to fully cure. Two part ultra low viscosity polyurea is as strong epoxy but faster setting.
Polyurethane vs polyurea polyureas are faster cure, e. Epoxy floors are much less flexible in this respect in the sense that they usually require 7 days to fully cure. Polyurethane and polyurea coatings protect concrete against the effects. Aug 01, 2001 indeed, cost is always an important consideration when choosing finishing systems for products. A summary of polyurea and polyurethane spray in bedliner.
These finish systems are used in extreme outdoor exposure conditions. Polyurea vs epoxy coatings july 1, 2016 when you are searching for a coating to protect your floors from stains, chemicals, wear and tear, oils, and damage, you may come across two main types of coatings, epoxy, and a family of polyurethanebased products, including polyurea. Polyureas vs epoxies for floor control joints concrete repair posts. What are the differences between epoxy and polyurethane. Polyurethane based products polyurethane crack and spall repair products are less expensive, typically, and easier to use because of the mixing through a tube and its application.
Polyurethanes can be synthesized during the polyaddition reaction by using suitable catalyst systems to increase the reaction time of the components. For basement walls, lowpressure injection is the best way to ensure that the crack is completely filled, cole maintains. Difference between epoxy and polyurethane compare the. Product can be applied in temperatures ranging from 40 f to 120 f. An alternate application method that can sometimes mitigate the need for surface or crack repairs is to prespray the polyurea to geotextile fabric panels placed above the onsite substrate, fusing. They are both light reflective, easy to clean, and longlasting. Polyurea stands out as a joint filler source floor. It is self leveling with extreme flexibility allowing 1015% movement of installed joint width. Yes, some paint you can use for floors does have epoxy material in them which can make it more durable than paint without epoxy. Polyaspartics are similar in application and performance characteristics to aliphatic polyurethane sealers. There is a third player in this space, polyaspartic coatings. Epoxy and polyurethane are great for protecting concrete floor against stains, damage, chemicals, oils, and wear.
Nov 03, 2015 they can look rather similar to the untrained eye in this photo, urethane is on the left and epoxy is on the right, but they have different properties. Polyurethane technology is around 70 years old and offers an ideal. The down side is the fact that many things can go wrong while you apply the epoxy coating. Apr 23, 2014 at this low temperature, an epoxy is dormant and will likely freeze. When used with silica sand the repair looks like natural concrete. Apr 12, 2016 polyurethane vs polyurea polyureas are faster cure, e. Best practices for applying polyurea and polyurethane coatings. Traditionally being used as a pipeline coating, coatings for sewers and manholes and the most recent popular use, truck bed liners, this versatile coating has been working its way to the top, now commonly used as a concrete coating as well. What is the difference between epoxy vs polyurethane.
May 30, 2018 polyurea is an organic polymer that is the reaction of isocyanate with an amine terminated polyether resin, forming a plasticlike or rubberlike compound that may be used in many of the same ways as older technologies polyurethane, epoxy, vinyl ester, neoprene. An epoxy floor coating is a twopart system that results in an extremely hard and durable surface. With the proper crack repair and surface preparation, the polyurea coating can be a thick film applied directly to the concrete or similar substrate. Mixing in general, epoxy products have a part a and a part b that need to be mixed at the correct ratio for the product to harden correctly. May 15, 2018 the key difference between epoxy and polyurethane is that the epoxy contains epoxide groups whereas polyurethanes contain urethane linkages.
A comparison and difference between epoxy and polyurethane. Dec 22, 2011 an epoxy coating is a bit more attractive because it can be created to have a texture such as imitating the appearance of stone. Benefits polyurea and polyaspartic garage floor coatings. The difference between choosing polyurethane foam or epoxy to fix cracks in poured concrete foundation walls. This flexibility also helps when it comes to being abrasion resistant. With the fast reaction time, polyureas do not easily react with humidity and moisture in substrates, so the material can be readily applied over cold or damp substrates, such as steel, concrete, wood or pu foam. Crack injection for concrete basement walls the concrete network. Mar 01, 2010 its said that one pouring of epoxy resin is equal to 60 coats of polyurethane in thickness, but it isnt necessary to use a resin just to get a high gloss effect. Sealboss 6500 quickfix joint filler is a technologically advanced multiple application product. The choice of catalyst controls the selectivity of the targeted isocyanate reactions. Polyurethanes dry in a fairly short time, but resins cure instead of drying and that takes at least 24 hrs.
It can also handle humidity far better than epoxy does. What are the differences between epoxy, mma and polyurethane coatings. A polyurethane floor coating is uv stable so it wont yellow over time. The key difference between epoxy and polyurethane is that the epoxy contains epoxide groups whereas polyurethanes contain urethane linkages. Today the two commonly used industrial floor fillers are the epoxy and the polyurea. On the downside, these coatings are rigid, which creates problems if the structure moves beyond the coatings ability to expand. Read all about the garage floor coating epoxy and polyurea. Yet neither polyureas or epoxies are intended for use in joints designed to move such as. Formulated to protect metal substrates, uregrip 3360 incorporates polyaspartic technology with advantages that include directtometal application, excellent color and gloss retention and singlecoat high build capability. Call us for more information or to find a local distributor at 800. Although generally slower curing, this may be an advantage if the crack filling is done by hand pouring or a bulk caulk gun because of longer.
Formulated with aliphatic chemistry, pps85 is color stable allowing it to take uv exposure without color shifts seen with other coating systems such as epoxies. Polyurea coatings protect aging concrete wastewater. According to bernard bauer, operations manager at hychem, epoxy resins are one of the most versatile concrete coating solutions that can be used in multiple applications across a wide range of industries including concrete flooring, water, mining and wastewater industries. What advantage does one possess over the other or which is probably the best filler to be used. Our polyurea joint filler products and other concrete crack repair and maintenance products have been setting the standard in our industry for more than 20 years. Epoxy materials were developed to fill the control joints and protect joint configurations. Epoxy is a chemical function, much rather like urethan. Jun 15, 2012 difference between epoxy floors and polyurea polyaspartic when considering updating your floor you will be presented with many options. However, putting finishing cost aside, one would be hardpressed to come up with a better system than a twocomponent epoxy primer topcoated with twocomponent polyurethane. Our epoxy, with urethane topcoat, is designed to be uv resistant. Like most things in the consumer industry, you get what you pay for.
Hanson usually recommends an epoxypolyurethane system, despite that it will take 4 or 5 days to install. You can get polyurethane coatings in a wider variety of finishes, ranging from satin to highly glossy. When trying to understand the differences between materials one can be overwhelmed quickly. Polyurea systems are more forgiving than epoxy systems and considerably more forgiving than 100% solids epoxy systems. Garage floor epoxy vs polyurea simple straight answers. This polyurea is a self leveling, 100% solids, two component, 1.
Either way, the repair of concrete cracks in either the foundation or the slab. Sealboss 6500 quickfix is an excellent joint and crack filler for concrete in applications that are time critical. The risks of slips and falls are an ever present hazard in garages and the composition of the coatings means that spills are easy to clean up. Pc products 92507 pcxtreme polyurea elastomeric crack and. Us coatings newest polyurethane coating presents a solution in the polyaspartic vs. This makes it perfect for repairing cracks in flat concrete. Jan 12, 2020 polyurethane, polyurea, and polyaspartic coatings. Jan 01, 2002 polyurea s fast reaction time 515 seconds leaves polyurethane and epoxy materials in the proverbial dust. Pcxtreme is a twocomponent rapid curing polyurea elastomeric crack and joint filler.
There are several slight variations of this coating, including a few major options from sundek, such as sunepoxy 54, which is ideal for lighter uses like residential garage floors. In the application point of view, the main difference between epoxy and polyurethane is that the epoxy resins can resist moderate temperatures while the polyurethanes can withstand high temperatures. While polyurethanes have been used for many years as adhesives and sealants, polyureas are relatively new. We are a global company serving markets in all parts of the world. If you do research about the large bedliner vendors rhino lining, linex, scorpion, etc you will see boasts about polyurea bedliners as well as the words polyureapolyurethane and polyurethane.
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