Steel Surface Prep for Polyurea

Steel surfaces are one of the common surfaces that Polyurea is applied to other than concrete and these steel surfaces need to be treated to prevent corrosion. We are always finding corrosion issues, and it costs the U.S. government billions upon billions of dollars each year. So it’s a fact, coatings are used to fight corrosion. So polyurea coatings are used as a barrier coating. You’re protecting the substrate from the elements, the moisture, the sun, salts, and all the other corrosive atmospheres that the substrate may see or would see without that protective barrier.

Surface preparation can take a variety of different forms depending upon the condition of the steel surface. For instance, abrasive blasting in which we’re trying to remove the components such as dirt, soil, grease chemicals, rust, paint, just a variety of different items.

Any combination of these can affect the asset. That’s the biggest goal here to protect that asset for the customer. So we’re looking for a long life cycle of our protection system.


Surface prep is going to be unique to every type of these applications. Some of them will be abrasive blasting and removal of salts and debris. And then some of them are going to be fairly simple down to pressure, washing, and wire wheel. Those kinds of things where we’re just removing loose debris and providing a nice surface, getting a low profile for the Polyurea to be adhered to.

As you can see in the photos below, this was a truck suffering from some rust you can see back up in the corner. We did with it just to take a wire wheel cup brush, removed everything loses, after that cleaning out the bed. There were some holes in there. We just put some tape over the top of them, and then we applied about one hundred to one hundred and twenty-five miles of our Polyurea over top of this.

With that, you can no longer see anywhere where those holes were and floated into those areas getting it nice and level as well as provide a good finish. This is done with the sand-colored top coat. It can be purchased in many different colors from ArmorThane, but the sand was chosen for esthetics on this one.

I sprayed this one at the ArmorThane headquarters in Springfield MO, and I still see it from time to time. It’s holding up very well. The good thing about the Bedliner market, as I said, is that even if you want to dabble in this, we see spray on contractors all the time that will line up of these on a Saturday or a Friday and knock these out and get a little bit extra revenue coming on into the air so it can be a good channel to generate a little bit of extra money and build a few more contacts inside the industry while using your same one to one types of equipment and little extra stuff that you would have to purchase to get into this market space right here.


So we’ve got an applicator here applying ArmorThane ArmorLiner again—a product that can be universally used on most projects. You can see it lays down smoother there. Again, this product’s easy to change out from your spray foam chemicals into this and back and forth. It’s not a lot of lengths, not very complicated. No solvents or anything like that is needed. You can go from [spray polyurea] spray in one of these shipping containers and selling them and making them watertight.

Fairly easy there, again, generating additional revenue. In the above image, they apply about 80 to 100 mills of ArmorLiner. You see, they’re doing it in the sand color because as I previously said, going with a stable color won’t change very much. So it’s statically pleasing even after a long time.

These plates in the above images were abrasive sprayed with ArmorThane’s [blast guard] coating. Then they were sprayed with [ArmorLiner] coating, and then they brought aluminum oxide, and they do that for the antacid portion of it so that there wouldn’t be any slips and falls or any sort of issues such as that. So unless this was done to one thing and actually who or the state of New York, and it’s in the regulation of rule number thirty-six, which is part of the +blastgard portion that must be had to comply with. Very good. Yes, and here we start going into some more talk about applications that spray-on armor and stuff that you can get your feet wet with and pretty easy, and this require pressure washing or brushing and more simple markets will.

And then we get into more integral things where high pressure, thirty-five hundred top equipment is needed. But these are our kind of weird aspirations because ArmorThane has products like ArmorChem which is a very chemical resistant polyurea that holds up to a lot of harsh environments and harsh chemicals that many other elastomeric Polyurea will not.

In the above image you can see they’re spraying an unleaded gasoline tank. We’ve got to you there again to aim for adhesion promotor to help out with various metals one hundred miles thick if you put in there to hold up to the unleaded gasoline inside of here.

The surface on this, which will hit on a little bit more, is an FTC. This white metal blast will be needed in these tough situations where Polyurea has been pushed to its limits and the maximum hold of these aggressive chemicals.

And I was involved in two of these take back about two thousand six in these planes was done in two thousand eight. And so they had had already at that time been in service for eight years, the first seven of these times ranging from 60-foot diameter to 90-foot diameter. And I was involved in twenty sixteen and two of them, and the “deck coating” system was 100 percent intact. Customers are very satisfied with them.

You ought to think about your surface preparation for any of your coding systems, whether a poxy system like our system, a latex system, or a “polyurea” system or surface preparation is our foundation. We’re only as good as what we’re sticking to. So you want to assure that the substrate is intact and that it’s going to support your coding system. That is going to be able to support the method of surface preparation to improve form.

Because when you get into a brace of blasting, there’s not a lot, not a lot of metal left there due to corrosion. You will blow holes inside of that metal. So then you may have to bring out someone to weld holes up. You look at Durable protective coating; look at what’s called the 80 20 rule. Eighty percent of this pertains to preparation, not just bring it out the sand “blast-proof.” Still, they can eat any and everything that you do up until you pick up the spray gun, and the gun began spraying, and they considered surface preparation could be running, they could be sweeping the floor off, you could be hanging plastic.

And then 20 percent is just the application of the coating. And again, that’s variable for every job. Some will be minimal surface preparation required. Some will get very extensive. And our objective here, though, is to minimize the liability of the experience of a premature coding failure. And our goal here is to achieve the full lifecycle of our coding performance. So very important to do. Again, surface preparation is our foundation.

So when we look at some of the methods that we use, when we get into stuff like a hand to cleaning, power to cleaning, abrasive blasting, we typically look at what we call SPCA Society for Protective Coatings and Naifs National Association of Corrosion in Engineers. There are some of these professional service standards that we use are joint. They’re actually common standards between the two associations, and SPC is speed standards and then uses several inputs.

So with any of these types of applications you do want to be aware of, it’s not good to pop up over rust most times, especially in some of the emersion-type applications in this slide. There’s a picture of a pipe that a contractor had sent out, had applied the polyurea system to the pipe, but they forgot a very important thing. They didn’t prepare the pipe. And just because you put one hundred, one hundred and twenty-five miles of Polyurea on it and there’s rust under it, that Rust Belt corrosion is still there.

So during the burial of this pipe, this was going to be an underground pipe. The coating got damaged by a backhoe, and it revealed that the pipe had extensive corrosion to it. It was a brand new pipe. And so the applicator got to come back. They had to dig up all of the pipes that they had coated, and they got to strip and raise the blast and apply the “polyurea” the second time because they skipped out on a very important, crucial part of the job of the “deck coating” didn’t stick.

So this will probably need to have a special surface profile. We’ll talk a little bit more about the surface profile later. But the surface profile is very important. What “deck coating” grip’s too, and typically we look for a three to four-mile deep profile. Most times, like anything that’s going to see atmospheric service, that’s something that would be seen more like the emergency service side of the tank. We typically say the greater, the deeper the profile, the better. Here’s an example of surface preparation versus no surface preparation, so a plate of steel contractors is looking at reducing their cost and reducing the amount of time they’re on the job.

And they tried to come up with a task to do no service, misapply the Polyurea over the unprepared piece of steel. So the owner had them prepare half of this steel plate and then lead the other half unprepared. And then. We did some adhesion testing, so only half of the steel plate was an abrasive [blast containment], ESP near what [blast proof] about a five mil surface profile. The other side was just rusty metal.

They took a little bit of a rag and solvent lapo over it, took a broom, broom, dumped the debris, sprayed the plate, and then out about 40 hours of pure time. And then we came back and done some polls. And so when I’m done, done the pole on the left-hand side, which was prepared by bracer blasting the glue that adhered the test all the own to the polyurea surface, failed at one thousand seven hundred and eleven PSR, meaning that the “polyurea” is bonded greater than seventeen hundred and eleven pounds.

On the other hand, on the right-hand side, where there was no surface area or little to do, it only yielded six hundred and twelve bone strength. And thaweewwso resulted in what we call a full opal with the +spray +polyurea from the substrate on that little round piece that I’m holding inside my head. And that’s the bottom side. That’s the part of the coating which was in contact with the steel. It was only bonded to the rust or the corrosion products, only steel plate.

So, the contractor wound up having to do all of the required abrasion blastings to get good adhesion to that steel surface. So “trailer deck” is key. We look at some resources that are available to you, especially for those that have never done this type of work before; there are trade associations I’ve spoken about to find out about two of them, ASSP, the place, and then also have to throw in the “polyurea” Development Association in there as well.


Well, we have visual aids that help us when that we’re what we’re looking at. What’s the difference between some of these methods, standard methods of evaluating the degree of resting on painted still surfaces, and this three four-hand tool and power, two cleaning surfaces. So a lot of resources out there that is are available. We’re not going to leave the inside of the dark. Also, when we’re doing and looking at our substrate preparation work, they’re testing some testing is very simple.

It’s just a visual, and some may require some additional testing for something, some for some problems that we can’t see. So we look at our visible contaminants, these chemicals, grease, dirt, anything that can be seen with the naked eye. And then, we may look for nonvisible contaminants. These nonvisible contaminants can be in the form of soluble salt. We can’t see the actual salt from upon the surface. We can most times see the attributes of those salt, such as Ballistic Coatings corrosion, or that one area of the steel plate has more excessive corrosion than any other part of the steel plate.

There may be salts in that area where there was excessive corrosion because that salt adds a little bit of moisture; you make a great electrolyte and the electrolyte. Moves electrical current very well, and corrosion is an electrochemical process; it makes its voltage. So it is like it is a top of the electrical current. More, more, more corrosion and. But when we look at some of these steel preparation.

A very common method will be your abrasive blast guard, currently, there are other resources to have that done. You can look forward to your local call on local contractors, look inside your phone book or Facebook or other social media pages. You can find local contractors that can do this type of work for you. But I will say you are at their mercy if they do the Embracive Blast guard work, but you fail to get polyurea applied to that surface before the service begins to deteriorate, you may be having to pay them to come back and re blast what they have already done the first time.

So depending upon your project size, if it’s just a one-time thing, it may be something that you’re probably going to hire out to have done. It’s this to be a large project with multiple days, weeks, or months old. And you may want to want to look at venturing off into that side of the industry yourself, but there are many different resources out there is great about removing meals, trailer coatings, and also some contaminants of rasam [blast curtain] do not remove grease, and abrasive moves around Greece and Italy spreads it out.

So we will do some free cleaning. Before the abrasive process begins gives us a good anchor profile for gaining better adhesion of our coding system to the substrate methods of abrasive methods, wet methods were wet. Polyurea has come back around very strong, probably within the past seven or eight years.

Sometimes you may not want to blast a structure or a ivone just due to. Putting water on it, one thing that I will that I will say that when you do some form of wet, abrasive in the water, you do want to have a rust inhibitor. Additive added to the water so that your your workpiece doesn’t rust when that you finish. These are some commercially available materials to ArmorThane and one would be appropriate to blast another product would be a product called Kotite to different Mannu manufacturers.

But they are two of the most common used materials and the abrasive [blast guard] in industry. We may talk a little bit about that more later on. We’ve been talking about embracive blasting and one of the things that we did when we abrasive [blast guard] steel or aluminum is what we call surface profile. And what this does is it raises the surface area of the substrate. It gives us anchor points, which we typically say that we want to use the abrasive.

That’s going to give us a sharp, angular profile the deeper the profile. The more surface area that is coating has to bond to the lower the surface profile. For instance, if you look down here, this slide here at one meal, if we only achieve a one mil surface profile, we can see how far apart our peaks are from each other. They’re very they’re very wide. And the valley is very shallow.

So we would we would typically see a lower bond screen, only one male surface profile finish looking at the three male surface profile we have, our peaks are closer to closer together and the valley is much deeper. Very important thing here that we want to see as we probably bedliner coating we want to whip out this surface profile. So I want to have my “polyurea” all the way down in the valleys of my surface profile. Now my coating has more surface area to bond to.

Resulting in a tighter, stronger adhesion to the substrate over there on the left, we see a image of the surface profile looks like a mountain zone. That’s what we want to see here at this bottom picture here. This is a bracelet, blasted steel plate. This is the resemblance of this right here. This is what we’re looking at. We’re looking for something for [deck coating] to respond to because we’re mainly looking at a mechanical bonding. And I’ve actually there you system with our eighty four additive, I’ve actually had samples that when I was able to get glue to bind well enough to the Polyurea, actually resulted in polls over for thirty five hundred PSR without detaching the Polyurea from the steel always resulted inside of a blue failure.

So my Polyurea was bonded extremely well. That’s what makes me sleep well at night. So how do I go about determining what surface profile do I have? Well, we have a standard called Høst ASTM, American Standard Test methods. That is like another asso. So another association, they have a A ASTM D forty four seventeen. This is a of a standard for measuring surface profile of steel, typically after abrasive blasting. And we have three different methods here.

We have a number one here which is using a surface profile compare. It uses a five times. Magnifying glass that is illuminated and this little wheel with five tabs on it, and each one of these represents a different profile and we’ll attach it to the bottom of the magnet magnifier and push it down to the steel surface and will visually compare which one of those plates closest resembles our blast guard surface. One thing about a visual comparison, they can be subjective because they look at it and say that it’s a three no surface pro ball.

And Jeremy, he may look like it’s a four wheeler maybe Gereb. We just don’t know what he’s talking about. So we look at number two here. This is going to be our most common. This is probably going to be one of the most common ones used in the industry. This is a replica tape with Lifespring micrometer. Most times it’s called artistic. It’s it’s a test, test, test, test. And it’s very reliable. When used correctly and is probably the most used, one thing is we get a replicated sample of our surface profile that goes along with our job documents, and it is actually allowable in the U.S. court of law.

And then number three here, which is another very, very common method, which is just a surface profile gauge. It uses a pinpoint to gauge the depth of the profile so that without these three will all be found inside of the ACMD 40 417 standard. And then moving on into some types of surface preparation, this is not all abrasive blasting, so we’ll spend a little bit of time here. If you have any questions, ask them will be we’ll be taking them here shortly.

But we look at SPC one Thol, but cleaning this is where that we’re going to remove the grease because anything that is a visible contaminant, possibly even a non visible. But one thing about ESPE one is it goes along with every other standard with. If there’s grace at all there before I do power, power, power to cleaning, I’m going to want to solve it, clean that surface, because my power, it just want to spread that grease and all around.

So as a want, as a very important standard. So we look at these three power to clean. We’re just removing loose rust, loose male scale and loose paint, not pole removal. We look at ESP 15, though that’s a commercial great power to clean, and you’re removing most of the “deck coating”, most of the corrosion, most of your meal scale. There’s some bits that can be left behind that are more tightly adhered. And then we look at +spill +berms, which is like power to cleaning the bare metal there.

We’re removing all coatings, all corrosion, all middle scale. So it’s a very in power to cleaning up on that steel surface. And then we look at our first abrasive [blast guard] standard, it is a joint standard between SPC and Espie, 14. Nice number eight. And it’s probably one that I would least use for polyurea applications, but it does have some merit because it could be up on a less critical item or we need to remove paint and corrosion, but we don’t really need to have as extensive of a brazen blast as what we good as what we would get with the S.P. six.

So that is the industrial blast cleaning. And basically we can have traces of tightly adhered Mial scale rusting coatings remaining on 10 percent of a unit area. And when we say unit area, that is a three-inch by three each square, nine square inches, then getting into a space six. And I’m going to go in through ESP 10 and ESP five here, here with it. Because when we look at a S.P. six commercial blast, the SP TMD blast and S.P. five metal blast, all three of these have a 100 percent removal of all codings, all rust, all meal scale.

There’s only with Espie six, we can have thirty three percent of a unit area containing shadows and stains of realist meal scale and paint with the S.P., and we can only have up to five percent of staining in a unit area. Again, that nine square inch area can only have five percent. And then when we look at S.P. five, that is one hundred percent stain free. No staining can be labeled remaining after the abrasive blast. So we we look at these S.P. six, it’s going to be probably pretty common for anything that’s going to be exposed to atmospheric service of non-critical items.

So then we look at more critical items such as tank interiors, PAPIC that’s going to be buried. Anything that’s going to have a more severe service, we’re probably going to be looking at sp sp five blast then down here at the bottom of S.P. 16, that is brush-off blast cleaning of non-ferrous metals. Even though this is about steel, we do have to bring in other metals as well. But look at aluminum, stainless steel and go down and galvanizing.

So then we look at some of our surface preparation that will not include abrasive [blast buildings], maybe some of our hand tools, this here sort of goes along with ESP one, the solvent cleaning water is water. Water is a solvent in itself, but a low pressure, pressure washing, low pressure, water cleaning up to five thousand PSR. That’s probably going to be your very common method of pressure washing both safely. But Pressure Wash is between three to probably five thousand pounds that we have our high pressure water cleaning, five thousand ten thousand PSA.

We get into our high pressure water draining. That’s 10 to 30 thousand. With those, we can start removing “polyurea” from steel surfaces. Then we look at ultra high pressure water. Gidding, that’s greater than thirty thousand. But we look at the last critical applications, such as Truck bed liners shipping containers next year or other items where “deck coating” is in tank lining in good shape, just a good abrading of the surface, we may need to do a power wash to remove the oxidation from the problem from the surface dirt and other top of this.

As long as the coating is in good shape, areas where existing coatings may be damaged or maybe more weathered but may need a little bit more attention, such as with the Grinder or a safe landing pad to remove these loose coating materials and rust. Also, in any of these areas that we tool down, we may want to put a rust inhibitor primer there because we may not be able to coat those surfaces the same day. And typically, these layers are probably going to be smaller.

The air is just a little bit of insurance. They’re just for protecting from the corrosion that we’ve already removed with either the phantom limb or the power to. But here we see some common applications on steel metal for these type of “polyurea” systems.

Yeah, we look at our automotive systems, TRUCK BED LINERS, Off-road vehicles, busses, FMJ plus is a very good material to use there. And some people actually does their entire vehicle, their entire truck with a polurea. I think

We sprayed that, as a matter of fact, with just regular Grecco reactor 30. But. But. You have come up. Yep, yep, absolutely, yes. We’ve got some unleaded gasoline and diesel fuel tanks a little bit higher in application, and we’ll get more into kind of the weeds of what Benji was talking about, needing to be abrasive, blasting, and starting to follow some of those SPC standards there and those type of applications. And then we have a lot of OEM stuff.

We’ve got dark place, bleachers, bike racks, just all kinds of various different widgets that are coated with Polyurea. These are generally pretty low level type applications there that don’t require extensive prep. There’s a few of them here that look over at a glance that would require a bracelet blasting. But kind of in those discussions, I would have Springfield contractor. If this is anywhere inside your wheelhouse, I would add Polyurea and some of these services to to what you offer on your website and and all of your marketing materials so that when these type of projects come up, they’re usually pretty profitable, really, really generally lucrative projects and kind of low level work compared to some of the other means of we know that the [spray Polyurea] sector is super competitive in some of these other areas are washed out with a lot of what Dante and I have discussed here today are markets that are a lot less physically intense and a lot higher profit margins you could expect to see on these.

And some of them are not symmetrical. Some of them are pretty, pretty easy applications to kind of set you apart from your competition.

You always have to sort of be aware that myself, I’m sort of raised in sort of the abrasive Blast guard side, so I’ve been around abrasive, blasting for well over, probably pushing close to 40 years. My dad put a [blast walls] with my hand when I was just 13 years old. Let me experience it. And that was one of the worst mistakes I think he ever did, because that’s just always been around a blasting. But there is other methods to get around this sort of surface preparation.

We just want to make sure that it’s the right method for the service that is going to be leaving in that, because, again, the goal is to gain the life cycle of “deck coating” system.

So a lot of interesting stuff. And, you know, your imagination is your is your limit. Think what can be sprayed with “polyurea” and just sit and just think about problems that you have around your home that would then that would benefit from.

One thing about stainless steel is even though steel does have a better corrosion resistance than, let’s say, carbon still does, stainless steel corrodes. It’s not a corrosion-proof metal. There’s a lot of different grades of stainless steel. So we look at some of your common ones, as I’ll tell, have three, four and three. 16, I think is probably two of the most common stainless steel that is used out there for a lot of different items.

And one thing is some stainless steel have a lower amount of carbon content, which makes them more, I guess, more or less acceptable to corrosion activity. And they also may have a higher amount of carbon content and stainless steel will actually rust. So I’ve actually been in on a job site for stainless steel piping, was installed at a biofuel plant, and within two weeks, the popping had corroded from the inside out and wound up that they had used the wrong stainless steel system.

So they actually had to tear that out and totally replace it. But yes, stainless steel is coated at times. It’s probably coated more often than what you really think about. It is coated in order to protect it or also to be more protecting, contain it inside of a vessel from the same stainless steel. So a coating would be used as a barrier between the substrate and whatever’s being stored inside of the tank. Once our preparation is, it is is completed on stainless steel.

One thing we have to think about stainless steel is it’s its Pasovic did itself sail safe passively. So it forms is this passivism layer and it reduces the amount of corrosive +gas +corrosion activity. And so when we say abrasive [blast containment] steel, we remove that passive that that activation layer, and we need to get a coating applied to that stainless steel very quickly because that passive nation starts back up. And once it becomes passe about it again, then our coating will we’ll stick to it as well as any that’s any coating, not just Polyurea.

So, yes, you can coat it. Why? There’s a lot of different reasons why that you would want to do most of this to protect.

Yeah, I think that’s a good point, that that rust isn’t the only corrosion element that you’d have to concern yourself about with when it comes to stainless steel. So another question we’ve got here. First, agrees 100 percent with a lot of your prep ideas, especially with blasting for exterior prep. But if you have to do surface prep on an interior application, if you have to be inside of a facility like a hospital or a college building, what methods would you recommend for that?

Or how would you go about protecting the interior space from these some of these more aggressive methods?

There is another one called blasting, which is used a lot of style of indoor areas is just it’s much slower and it’s not going to provide an anchor profile, but it can remove some coatings. But again, they’re very specialized systems. So that’s the question that we could probably go for several more minutes. But there are methods that we can use for these sensitive locations. It’s just more of a a case by case subject matter.

OK, so then one of the other questions we got was just on whether there is different terminology regarding the types of wet [blast guard] so specifically what blasting versus hydro blasting is, it’s just a difference in in the pressure, in the pressure, the wash or the is basically the same type of notion’s.

Yeah. So if we went back in to go back to your book, The Breckman go back. But. Hauner. But if we go back here. Wind blasting is typically we’re going to be referring to abrasive blasting with water added to the blast stream. Looking at water cleaning or water washing or high hydro blast, and we’re typically doing something probably from the 5000 PSR range, greater than 30000 thousand PSR range. So, yes, there are differences in them, and they can be some confusion inside of some of the different terminologies of.

The best thing is I ask questions and give specifics of what you’re trying to do.

No question about. Of fuel top tanks, so what other fuel type tanks would need “deck coating” diesel hydrocarbons? Where would you where would you feel like you need to use the “deck coating” on fuel tanks?

Anywhere that the tape was see excessive corrosion, so most inside that one, that one series of things that we did, we only done the bottoms because that’s where most of your corrosion occurs on those type of tanks. Those are floating rate tanks, typically holding on only to gasoline or other some high vapor material. And, yeah, that’s that’s that’s where the most corrosion occurs. Sometimes gets a lot of ink applied in all areas of the tank, diesel, diesel fuel, crude, crude oil.

So you’d be amazed at the amount amount of tanks out there that are coated. And you also maybe a little bit amazed about tanks that don’t have any coatings in those particular tanks that we was a part of those tanks that was actually built in nineteen fifty two. And when we put lining’s in the bottom of them in two thousand eight, that was the first time they had ever had coatings in those tanks. But the bottoms of the tanks had been repaired hundreds of times is since nineteen fifty two that the bottoms look like Swiss cheese, extensive corrosion damage, a lot of patching plates.

So the the new owners was very wise in putting a putting a protective coatings system inside of those tanks.

The other question, the roughness of the serpent is the roughness of the surface have some relationship with cleaning grate with the cleaning grate of the surface.

No. So when we look at, say, a SpaceX commercial blast must be near “blast wall”, [rino liner] Espie, five black metal blast. Those are surface cleanliness standards, nothing to do with the surface roughness of. One thing that the standard does say, though, is that it thane coating is going to be used, that the surface shall be Roughan to a degree, basically to allow the coating to bond. So and the standard of a surface roughness is designated how much surface roughness needs to be there.

So this is where that goes as a material and you manufactured what are typically the ones that make the recommendation or the requirement for that surface roughness weather that we feel like this particular “deck coating” application will perform fine with the two male surface profile. Or on this application we made a five mile deep, low profile to with.

Somebody offered up a comment going back to our stainless steel discussion; Joe Kane out there said that he regularly sprays stainless steel cooling tower basins because I’ve seen failures. And so that’s another application where he’s had to we’re seeing the SEALs had to get sprayed for Floor coating.

Quite a few cooling towers are getting sprayed across the country now, especially in more metro style areas where the only way that they could even get a cooling tower on top of a building would actually be to helicoptered in. And sometimes that’s not even allowed. So cooling tower revitalization industry has definitely come up in the past handful of years.

That’s. A question about an emergency application. So in an emergency situation in saltwater after abrasive [blast guard], is it necessary to use a corrosion inhibiting primer or could you do Polyurea direct to the steel?

And he said that was was holding what I for if you’re if you’re immersing a surface into saltwater, that’s it’s going to be if the surface that we’re we’re talking about is being immersed for Senate periods into a saltwater after abrasive [blast guard] +corrosion +inhibitor primer, or can you go straight to bare steel or to or use a non inhibiting primer.

So going into that saltwater environment, probably no need for a primary system to be used unless I would say if there were any. Highly probable that “deck coating” may get damaged at some point inside of its service life, or then you may want a rich primer underneath that to protect in case the Polly was was damaged. But that would be a very unique case by case instance there.

I’ve got a couple more questions in the in here we’ll go through I think I’ve got two questions left that that we’ll get to, and then we’ll probably close it up. So the question I’ve got here, which kind of chemical do we have to use to reactivate a polyurea when the Reka window is over?

So we have a product called Prep Work Print what PR WRP, it is a solvent-based system. So if we have a plan “polyurea” and something happening, whether their event or equipment break down kept us from spraying back over our own to our existing “polyurea”, then typically we would do some minor upgrading of the surface depending on the “polyurea” system being used. And then we would wipe over that surface with this repack which does kind of reactivate the top surface of the “polyurea” making it Teche, and we won’t allow that to evaporate off

There is no substitute for abrasive [blast guard] if there is just no way that you can do blasting to get a profile up on that steel, which we still look at the 84 and just have to keep in mind that with a lesser degree of surface clean a lesser degree of surface profile, you’re not going to get the adhesion results actually that you would with a greater surface, clinically clean lines, and greater surface profile.

It’s just the way the cards fall there if you’re able to encapsulate the atom. Then you’re really not that much concerned the less the black, the guy that applies the “polyurea” to the hype, that he didn’t embrace the blast. If it got damaged, then that’s sort of when it really affects it. So it’s a I don’t think there’s a magic potion to gain and there is some wash primers available up on the market.

The importance of surface preparation is going to give you your best bonding, your best adhesion promotor.

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